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  • Senior Software Engineer-Test & Verification

    Boeing 4.6company rating

    Principal software engineer job in Saint Louis, MO

    At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company is currently seeking a Senior Software Engineer-Test & Verification to support our Boeing Global Services (BGS) Government Vehicle Health Management Systems (GVHMS) teamlocated in Hazelwood, Missouri. At The Boeing Company, we innovate and collaborate to make the world a better place. From the seabed to outer space, you can contribute to work that matters with a company built on shared values. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Our amazing team of engineers develops, fields, and supports platform health management systems for the F/A-18, MQ-25, F-15, T-38, T-7, and proprietary platforms. Our software acquires and manages platform health and usage data, performs health, and usage assessment and recommends maintenance actions. We are tasked with the creation, design, development, modification, proof of concept, verification, testing, and demonstration of products and solutions to maximize platform mission readiness and effectiveness, reduce lifecycle costs, and keep our customers safe. This position will focus on supporting the Boeing Commercial Airplanes (BCA) & Boeing Global Services (BGS) Software Engineering organization. The GVHMS team develops, fields and supports health management systems for defense platforms. The Central Maintenance Computing System (CMCS) is an on-board system that acquires, stores, analyzes and reports the health of the vehicle. The team is looking for a highly motivated software test and verification engineer to test software, derive test cases from requirements, and develop automated test cases throughout phases of the software development life cycle (requirements, design, implementation and verification). The software test and verification engineer will document, design, plan, and design CMCS software test functionality. Position Responsibilities: Develop and maintain robust Python script Utilize Cucumber / Gherkin for behavior-driven development to create clear and concise test scenarios Experience with tools like Git, Jira, or an equivalent for version control and project tracking Experience with test frameworks to design, implement, and execute comprehensive testing solutions Create, plan, and execute a test cycle Analyze program requirements to develop new, effective test cases that ensure comprehensive coverage of functionalities Document software bugs with appropriate information for analysis (environment information, data logs, etc.) Communicate with multifunctional skill teams including software engineers, systems engineers, and hardware engineers This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options. Basic Qualifications (Required Skills/ Experience): Ability to Obtain U.S. Secret security clearance 8+years of experience in writing Software Test Plans (STP), Software Test Descriptions (STD), and Software Test Reports (STR) 5+ years of experiencecreating scripts in Python 3+ years of experiencewith Quality Automation Tools (ex. Selenium, Cucumber, LoadRunner) Experience with Ethernet Network Data Buses Preferred Qualifications (Desired Skills/Experience): Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science. 1+ years of experience with MIL-STD-1553 and/or MIL-STD-1760 communication protocols Active Secret Clearance Familiarization with hardware and network architecture including server and client environments Familiarization with military aircraft flightline operations C# experience or familiarity with Ranorex for automated testing Travel: 5% or less Drug Free Workplace: Boeing is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies. CodeVue Coding Challenge: To be considered for this position you will be required to complete a technical assessment as part of the selection process. Failure to complete the assessment will remove you from consideration. Pay & Benefits: At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements. Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary pay range for Senior Level$122,400 - $165,600 Applications for this position will be accepted until Jan. 19, 2026 Export Control Requirements: This is not an Export Control position. Relocation This position offers relocation based on candidate eligibility. Security Clearance This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required. Visa Sponsorship Employer will not sponsor applicants for employment visa status. Shift This position is for 1st shift Equal Opportunity Employer: Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.
    $122.4k-165.6k yearly 2d ago
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  • Software Engineer

    CCS Global Tech 4.2company rating

    Principal software engineer job in Saint Louis, MO

    Software Engineer Duration : Full-time Clearance : Active Top Secret/SCI Required Qualifications Proven experience in developing software using modern languages such as Python, Java, and JavaScript. Familiarity with JavaScript frameworks like Angular. Experience in developing and implementing software enhancements for mission systems. Ability to work collaboratively in a team-oriented environment. Adaptability and willingness to learn new technologies. Experience in writing or contributing to end development and deployment instructions. Proficiency in Agile-based software development methodologies. Ability to develop innovative solutions. Experience in developing enterprise systems using multiple technologies.
    $60k-80k yearly est. 1d ago
  • Software Engineer

    1904Labs 4.2company rating

    Principal software engineer job in Saint Louis, MO

    About Us At Turnberry Labs (formerly 1904labs), we are a human-centered technology company that focuses on using modern tools and technologies to solve enterprise organizations' crunchiest challenges. We look for innovative, courageous, intensely curious, and team-minded people. At Turnberry Labs, we are committed to providing each team member with opportunities that will allow personal and professional growth. The Role As a Software Engineer, you will be responsible for the Analysis, Design, and Development of modern application software. Each team member is expected to have the right attitude and aptitude required to embrace new technologies as necessitated by the problems we encounter. We seek "T-shaped" developers, deep in a few core areas and broad across a wide range of systems, programming, and computer science disciplines. That said, we strive to build complementary teams that leverage your core strengths while also providing opportunities for growth in a collaborative setting. Requirements Proficient understanding of Object-Oriented Programming and best practices for developing robust solutions as well as experience using standard Design Patterns to solve common problems. Must be adaptable and have the drive to learn new technologies and frameworks to support R&D interests Experience with relational and/or document-based data stores. E.g. (Postgres, MySQL, and/or MongoDB, DynamoDB, elastic) in a professional environment Experience with one or more of the following frameworks or server-side technologies. E.g. (Node, React, Angular, Vue.js, etc) Experience working with distributed architectures including SOA-based solutions and/or micro-services implementations. Familiarity with consuming from and standing up REST-based APIs Deep understanding of how to build, deploy, test, run and manage full-stack, cloud-native applications. Desired Skills Java backend development and/or Spring boot framework experience. JavaScript "single page" web frameworks as well as a deep understanding of utilizing JSON-based services. Experience with JavaScript build tools (webpack, r.js, grunt, bower, etc.) Previous work experience in an Agile team-oriented environment. Experience with code quality tools (e.g. eslint, jshint, pmd) as well as integration into a build process. Full scope test automation from unit to behavioral/functional to integration (e.g JUnit, ScalaTest, JBehave, Cucumber). Experience integrating these frameworks into a continuous integration environment. Experience with any of the big three IAAS platforms: AWS / GCP / Azure Experience with infrastructure management platforms: Kubernetes, Cloud Foundry, etc. Experience with various analytics tools used for working with big data Why Choose Turnberry Labs? Development Time - 10% of our work week is set aside to work on our own ideas and projects. We believe that giving folks the time and space to innovate and tinker allows them to bring fresh ideas and perspectives to the work we do. Competitive salary, bonus, and benefits (medical, dental, paid parental leave, 401k match). We invest in the personal and professional growth of every employee because we believe growth leads to innovative solutions and personal fulfillment. Career paths are crafted by you and supported and nurtured by Turnberry Labs. Experienced team made up of intensely curious and innovative thinkers from a variety of disciplines who inspire each other to come up with the best solutions possible. Being a trusted advisor to our clients allows us to affect change within their organizations. We work to create an intentional culture crafted around promoting and supporting the needs of our employees as whole people. Flexible schedules and a Human-Centered approach to work. Strong commitment to the community. Take advantage of the relationships we've built with our established community partners or pursue any other community endeavor you are passionate about. The offered salary will be dependent upon experience At Turnberry, inclusion is one of our core values. We are committed to creating a positive and connected work environment for all and are fully invested in and focused on hiring and growing a diverse team of high performers. We believe that uniqueness in ideas, experiences, and backgrounds makes us a better Turnberry: Turnberry is an Equal Employment Opportunity employer, and recruits, employs, trains, compensates, and promotes regardless of age, ancestry, family medical or genetic information, gender identity and expression, marital, military, or veteran status; national and ethnic origin; physical or mental disability; political affiliation; pregnancy; race; religion; sex; sexual orientation; and any other protected characteristics. Americans with Disabilities Act (ADA) Turnberry will provide reasonable accommodation with our application process upon request as required to comply with applicable laws. If you have a disability and require accommodation assistance in this application process, please send an email to our Human Resources department.
    $60k-80k yearly est. 6d ago
  • Sr. Database Engineer

    Ansira Partners 4.3company rating

    Principal software engineer job in Saint Louis, MO

    The Sr. Database Engineer is responsible for designing, building, and sustaining scalable data solutions that integrate internal and external data into a unified, governed data platform. This includes leading and supporting enterprise initiatives such as consolidating multiple data repositories into a central cloud data lake and enabling consistent, high-quality data for analytics and reporting across the organization. This individual partners with cross-functional teams throughout the full project lifecycle (Initiation, Planning, Development, Deployment, and Ongoing Support/Maintenance) using Agile practices and project documentation that defines scope and deliverables. Typical activities include data modeling and architecture, development and optimization of ETL/ELT pipelines into the data lake, implementation of data quality and governance controls, BI and semantic model development, and support for downstream reporting, campaign execution, and advanced analytics use cases. Essential Duties and Responsibilities Apply strong critical thinking and problem-solving skills to design, troubleshoot, and optimize database and data pipeline solutions Develop Logical and Physical models based on the defined architecture Extract Transform Load (ETL) development and testing Development of appropriate notification/alert strategies within all data pipelines Serve as Subject Matter Expert (SME) within the Data Platforms Department for multiple clients/projects Develop BI solutions using various tools i.e. Azure Data Factory, SSIS, to meet organizational needs Develop, implement and support custom stored procedures, functions, and views * Maintain data integrity Suggest software, hardware, and process-level improvements to upper management Suggest overall process improvements for existing solutions to upper management Define and maintain data governance documentation across project phases-including data dictionaries, entityrelationship diagrams, ETL/ELT specifications, and data lineage and quality rules-ensuring that all designs and implementations adhere to established data governance policies and standards. Capacity/scalability planning for expanding data needs Participate in peer code review Other duties and responsibilities as assigned Sense of ownership and pride in your performance and its impact on the company's success Background/Experience Excellent understanding of T-SQL 10+ years Microsoft SQL Server 2016 and above 10+ years IT industry experience; Marketing or Advertising experience a plus Excellent skills with ETL tools like Azure Data Factory and SSIS Azure Cloud experience a plus Advanced problem-solving skills and excellent communication skills Team player Good time-management skills Great interpersonal and communication skills
    $95k-118k yearly est. 3d ago
  • Lead Application Developer

    Cass Information Systems 3.7company rating

    Principal software engineer job in Bridgeton, MO

    Lead Application Developer is responsible for developing and implementing application changes and is expected to stay abreast of the available technology regarding application development, information delivery, and relational database technology, as well as lead assigned team of developers. PRINCIPAL RESPONSIBILITIES AND DUTIES: Maintains in-depth knowledge of the department's strategic business plans. Develops in-depth knowledge of company's existing IT architecture, infrastructure, and technology portfolio. Provides technical leadership and mentors team members on assigned projects. Conducts research on emerging technologies in support of infrastructure development efforts and recommend technologies that will increase cost effectiveness and infrastructure flexibility. Designs, develops, and implements end-to-end integrated systems. Collaborates across teams to evaluate business needs and provide technology solutions. Develops and executes test plans to check infrastructure and systems technical performance. Reports on findings and make recommendations for improvement. Conducts code reviews and uphold Cass standards in coding. KNOWLEDGE AND MINIMUM REQUIREMENTS: Advanced understanding of information processing principles and practices. Advanced technical knowledge of network, PC, and platform operating systems, including current MS Windows Server and Desktop releases. Strong experience in a variety of programming languages, including C# and ASP. Knowledge of current web best practices and JavaScript, HTML, and CSS experience. Knowledge of the web application framework Angular 1.x and Angular 7 preferred including TypeScript. Experience using TFS or DevOps with GIT integrated for source control. Knowledge of applicable data privacy practices and laws. Advanced analytical, conceptual, and problem-solving abilities. Excellent written, oral and interpersonal communication skills. Ability to present ideas in user-friendly language. Effectively able to prioritize and execute tasks in a fast paced environment. Ability to thrive in a team-oriented, collaborative setting. Experience with agile methodologies and the full software development life cycle. A bachelor's degree in the field of computer science, information systems, or computer engineering or equivalent experience. 5+ years of experience working as a developer. 5+ years of experience with business requirements gathering and analysis. Proven experience in internet-based systems development. 3+ years of hands on experience with application development tools, including Visual Studio. 3+ years of hands-on experience with relational database technology, preferably Microsoft SQL Server. 3+ years of web development experience, preferably using the Microsoft Stack or Angular. APPLICATION PROCESS: You can directly apply through Cass's website at careers. Please apply directly to this position via the "Apply" button. You will be required to create an account and provide your resume, contact information and other pertinent employment information. This process typically takes 20 minutes or less. Should we find that you meet the minimum requirement of the position, a member of our recruiting team will be in touch to start the interview process. ABOUT OUR COMPANY: Cass Information Systems, Inc. is a leading provider of integrated information and payment management solutions. Cass enables enterprises to achieve visibility, control and efficiency in their supply chains, facilities and other operations. Disbursing over $90 billion annually on behalf of clients, and with total assets of $2.3 billion, Cass is uniquely supported by Cass Commercial Bank. Founded in 1906 and a wholly owned subsidiary, Cass Commercial Bank provides sophisticated financial exchange services to the parent organization and its clients. Cass is part of the Russell 2000. More information is available at ***************** Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
    $99k-117k yearly est. 2d ago
  • Software Engineer

    Reinventing Geospatial, Inc. (RGi

    Principal software engineer job in Saint Louis, MO

    Job DescriptionReinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data collection to advanced deep learning, leveraging tools like Python, Java, and ArcGIS. We don't just fill roles we build teams of high performers and leaders who make an immediate impact. At our core, we're driven by innovation and powered by people who work at the intersection of passion and performance. Here, you'll collaborate with bold thinkers, leverage cutting edge technology, and tackle meaningful challenges from day one. Our culture is defined and anchored by three pillars: Energy: We bring passion, purpose, and urgency to our work.Edge: We take initiative, embrace growth, and step outside our comfort zone.Execution: We get things done smartly, decisively, and with real results. If you're the kind of person who leads with initiative, thrives in a fast-paced environment, and is eager to create real impact, we want you on our team. Clearance:Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI PolygraphUS Citizenship Required *This job posting is for a potential upcoming opening, and we encourage interested candidates to apply for future consideration.As a Software Engineer, you will... Contribute to the design, development, testing and integration of new capabilities from an idea to production across a complex system Integrate capabilities from different systems across the enterprise while the needs of users and stakeholders are met Participate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories Write or contribute to documentation and end-user instructions/manuals, as necessary Software Engineer Qualifications... Associate's or Bachelor's Degree in Computer Science or related field 5+ years of experience in software development with experience in all phases of the software development lifecycle (analysis, design, development, testing, deployment, maintenance) Demonstrated experience developing with modern languages such as: Python, Ruby, Clojure, Java, JavaScript, etc. Experience designing, developing, documenting, testing, and debugging software that contains logical and mathematical solutions to problems Demonstrated experience using rapid prototyping and Agile based software development methodologies GEOINT/SIGINT/IMINT domain knowledge Additional Skills We'd Like to See: Understanding of machine learning concepts Experience with development in microservice based architectures Understanding of web application development concepts and experience using web frameworks Experience with container technologies and orchestration such as Docker, Docker Compose, Kubernetes, etc. Experience with continuous integration and software CM processes / tools (Git, GitLab, GitLab CI, Jenkins, JIRA, Confluence) AWS experience and/or AWS certification (Developer, DevOps and/or, Architect, etc.) Security+ Certification Highly preferred to have Python programming language experience Salary Range: $115,000 - $170,000Salary is commensurate with experience.Who we are:Reinventing Geospatial, Inc. (RGi) is a fast-paced small business that has the environment and culture of a start-up, with the stability and benefits of a well-established firm. We solve complex problems within geospatial software development and national defense to make an Immediate Impact for our nation's soldiers and analysts. We pride ourselves on giving employees an exceptional life experience, where creativity thrives, and challenges are simply part of the fun. We provide truly excellent benefits, including: · 100% paid employee healthcare & dental insurance· Paid parental leave· 401k with matching· Escalating vacation time· Referral bonuses· Tuition reimbursement· Professional development training· Free beverages and snacks· Weekly catered lunches and breakfast on Fridays Grow to be our next leader:At RGi, fostering a strong and organic corporate culture is paramount and serves as a compass on the decisions we make and how we operate the company. We believe our culture of camaraderie, innovation, and collaboration reflects the caliber of our employees and their dedication to the mission of providing quality software to our customers. As such, we want our employees to feel empowered to seek growth and leadership opportunities within the company and position us to maintain our culture as we grow. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. If this is what you are looking for in a company, then you are what we are looking for in an employee. Reinventing Geospatial, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
    $115k-170k yearly 2d ago
  • Software Engineer

    Reinventing Geospatial

    Principal software engineer job in Saint Louis, MO

    Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data collection to advanced deep learning, leveraging tools like Python, Java, and ArcGIS. We don't just fill roles we build teams of high performers and leaders who make an immediate impact. At our core, we're driven by innovation and powered by people who work at the intersection of passion and performance. Here, you'll collaborate with bold thinkers, leverage cutting edge technology, and tackle meaningful challenges from day one. Our culture is defined and anchored by three pillars: Energy: We bring passion, purpose, and urgency to our work. Edge: We take initiative, embrace growth, and step outside our comfort zone. Execution: We get things done smartly, decisively, and with real results. If you're the kind of person who leads with initiative, thrives in a fast-paced environment, and is eager to create real impact, we want you on our team. Clearance: Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI Polygraph US Citizenship Required * This job posting is for a potential upcoming opening, and we encourage interested candidates to apply for future consideration. As a Software Engineer, you will... * Contribute to the design, development, testing and integration of new capabilities from an idea to production across a complex system * Integrate capabilities from different systems across the enterprise while the needs of users and stakeholders are met * Participate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories * Write or contribute to documentation and end-user instructions/manuals, as necessary Software Engineer Qualifications... * Associate's or Bachelor's Degree in Computer Science or related field * 5+ years of experience in software development with experience in all phases of the software development lifecycle (analysis, design, development, testing, deployment, maintenance) * Demonstrated experience developing with modern languages such as: Python, Ruby, Clojure, Java, JavaScript, etc. * Experience designing, developing, documenting, testing, and debugging software that contains logical and mathematical solutions to problems * Demonstrated experience using rapid prototyping and Agile based software development methodologies * GEOINT/SIGINT/IMINT domain knowledge Additional Skills We'd Like to See: * Understanding of machine learning concepts * Experience with development in microservice based architectures * Understanding of web application development concepts and experience using web frameworks * Experience with container technologies and orchestration such as Docker, Docker Compose, Kubernetes, etc. * Experience with continuous integration and software CM processes / tools (Git, GitLab, GitLab CI, Jenkins, JIRA, Confluence) * AWS experience and/or AWS certification (Developer, DevOps and/or, Architect, etc.) * Security+ Certification * Highly preferred to have Python programming language experience $115,000 - $170,000 a year Salary Range: $115,000 - $170,000 Salary is commensurate with experience. Who we are: Reinventing Geospatial, Inc. (RGi) is a fast-paced small business that has the environment and culture of a start-up, with the stability and benefits of a well-established firm. We solve complex problems within geospatial software development and national defense to make an Immediate Impact for our nation's soldiers and analysts. We pride ourselves on giving employees an exceptional life experience, where creativity thrives, and challenges are simply part of the fun. We provide truly excellent benefits, including: * 100% paid employee healthcare & dental insurance * Paid parental leave * 401k with matching * Escalating vacation time * Referral bonuses * Tuition reimbursement * Professional development training * Free beverages and snacks * Weekly catered lunches and breakfast on Fridays Grow to be our next leader: At RGi, fostering a strong and organic corporate culture is paramount and serves as a compass on the decisions we make and how we operate the company. We believe our culture of camaraderie, innovation, and collaboration reflects the caliber of our employees and their dedication to the mission of providing quality software to our customers. As such, we want our employees to feel empowered to seek growth and leadership opportunities within the company and position us to maintain our culture as we grow. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. If this is what you are looking for in a company, then you are what we are looking for in an employee. Reinventing Geospatial, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
    $115k-170k yearly 60d+ ago
  • Software Engineer

    London Stock Exchange Group

    Principal software engineer job in Saint Louis, MO

    LSEG offers essential platforms, financial data services and trading venues for various clients such as businesses, governments, and investors around the globe. The real-time market data, indices, analytics, and news services LSEG supplies allows traders and investors understand market conditions and trends. We deliver the infrastructure, data, and analytics that market participants rely on to make confident, informed investment decisions. LSEG is dedicated to empowering economies and enabling sustainable growth by incorporating environmental, social, and governance (ESG) factors into its operations and offerings. Within LSEG's Data and Analytics division, the Real-Time Distribution Development team plays a vital role in supporting LSEG's financial data distribution and fanout components. We have responsibility for the design, implementation and continuous improvements of complex, low latency, high throughput software that makes the LSEG financial data distribution reliable, scalable and geographically resilient. Whether you are passionate about our consistently modernized on-prem enterprise solutions or tackling the challenges on our cloud applications in AWS and Azure, we have a place for you! Our team thrives on inclusion, innovation, and high performance. Join us, and help shape the future of LSEG's platforms and services! Job description : · Design of software modules; implementation in C++, unit testing, integration testing, performance testing along with software packaging and configuration management. · Participates in code/design reviews. · Contributes toward product and internal documentation - technical specifications, software documentation and unit test plans. · Assists in resolution of field problems as needed · Partners with Quality Assurance to ensure high quality software, write Robot framework test cases using Python based key words Qualifications : · 3+ years of computer software development experience · Experience developing in C++ and/or other Object Oriented programming languages, in a multi-threaded environment and real-time streaming type applications. · strong working experience and troubleshooting skills in Linux. · Familiarity with network programming and strong knowledge of networking concepts and protocols(TCP/IP, UDP, multicast). · Strong written & verbal communication skills · Experience with Cloud technology (AWS/AZURE) is a plus. Compensation/Benefits Information: LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $95,700 - $159,700.Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/”bonus plan”). Target AIP rates will be commensurate with role level and posted career stage. Individual salary will be reflective of job related knowledge, skills and equivalent experience. LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG's Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject. If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.
    $95.7k-159.7k yearly Auto-Apply 60d+ ago
  • Associate Software Developer

    Blitt & Gaines P.C 3.6company rating

    Principal software engineer job in Saint Louis, MO

    Job Title: Associate Software Developer As an associate software developer, you will be working with Blitt and Gaines, P.C.'s product development team, building and testing automation applications utilizing SQL, C#, Python and Power BI. This role will also continually review the historical and on-going accuracy and integrity of the data and reports generated from our systems. This is an experienced level position with opportunity for potential advancement into further development roles within the firm. You will report to the Director of Development and work to build a variety of types of applications for our firm. Key Responsibilities: * Assist in the design and development of stored procedures and database queries to generate data for reports and dashboards. * Support the development of automation tools and backend processes using C# or Python. * Help build and maintain web services and APIs for internal and external applications. * Collaborate with senior developers and analysts to understand business needs and deliver effective technical solutions. * Participate in source control workflows using Git and project tracking through Azure DevOps. * Contribute to the maintenance and evolution of CI/CD pipelines, including testing, builds, and deployment steps. * Perform basic debugging and troubleshooting under the guidance of senior team members. * Participate in code reviews, team meetings, and agile ceremonies. Minimum Requirements: * 1-2 years of experience with C# or Python in a professional or internship setting. * Basic experience writing and maintaining SQL queries or stored procedures. * Familiarity with REST APIs and how to interact with them. * Exposure to Azure DevOps, Git, or similar tools for version control and project management. * Basic understanding of CI/CD pipelines and software development best practices. * Strong willingness to learn, take feedback, and grow technical skills. * Good communication and teamwork skills. Preferred Qualifications: * Coursework or hands-on experience with web service development or automation scripting. * Exposure to Azure cloud services or other cloud platforms (AWS, GCP). * Familiarity with reporting or BI tools such as Power BI or SSRS. * Understanding of agile development and software delivery practices. Nice to Haves: * Familiarity with Collection Master software * Experience in the litigation or collections industry * Experience with generating AI prompts and implementing AI solutions * React or other front-end web languages Benefits: Blitt and Gaines, P.C. offers PTO, Paid Holidays, Medical Benefits, Competitive Salary and 401k and profit sharing plans! Medical Benefits include - Medical, Dental, Vision, Life Insurance and Short Term Disability.
    $67k-86k yearly est. 39d ago
  • Software Engineering Co-Op

    Watlow 4.6company rating

    Principal software engineer job in Saint Louis, MO

    About the Role Join Watlow's Systems Engineering team and help shape the future of our Digital Twin and Manufacturing Automation initiatives. This co-op blends software engineering, data systems, and shop-floor integration to improve how we collect data, automate workflows, and visualize processes across global operations. You'll collaborate with engineers, operators, and IT specialists to design Python-based solutions that make our manufacturing systems smarter, faster, and more connected. Key Responsibilities Develop Python-based web apps to capture and visualize shop-floor data in Azure cloud databases. Build and maintain data pipelines to Databricks for trend and performance analysis. Design Raspberry Pi + camera systems for part tracking and operator assistance. Replace legacy automation (e.g., auto-clickers) with robust Python automation and APIs. Integrate shop-floor data with company-wide digital systems and dashboards. Write clean, documented code and create user-friendly interfaces for operators and engineers. Desired Skills Proficient in Python (object-oriented programming, automation, data handling). Familiar with Flask, FastAPI, or Django for web development. Basic knowledge of databases (SQL/NoSQL) and Azure or other cloud services Basic knowledge of pulling and pushing data through APIs. Experience with OpenCV, Raspberry Pi, or sensor integration is a plus. Interest in machine learning or identifying automation patterns in manufacturing data. Strong communication skills and willingness to work in a hands-on, cross-functional environment. Preferred Majors Computer Engineering Computer Science Electrical Engineering Mechanical Engineering (with Python programming experience) Biomedical Engineering (with Python/Image processing) Industrial & Systems Engineering Mechatronics/Robotics Engineering Information Systems/IT or related STEM fields What You'll Gain Real-world experience applying software to manufacturing and digital transformation. Exposure to hardware/software integration and automation. Collaboration with cross-functional teams in engineering, IT, and operations. The chance to see your code implemented directly on the shop floor to drive measurable impact. Applicants must be authorized to work for any employer now or in the future in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.
    $68k-88k yearly est. 5d ago
  • Mid Software Engineer

    Momentum 4.6company rating

    Principal software engineer job in Saint Louis, MO

    Welcome to the MOMENTUM. Team! MOMENTUM. is not just our company name; it is the highest value we deliver to our customers. We are a rapidly growing technology solutions company delivering innovative technology, engineering, and intelligence solutions across the DoD sector. The efforts of our high-capacity team ultimately strengthen our Nation and the warfighter. Our team is dispersed throughout the US, which means we value the diversity and unique collaboration fostered throughout our team. We work incredibly hard for our customers and believe deeply in our core values. We're a high-energy, high-growth team and we love to win. Mid Software Engineer MOMENTUM. is seeking a Mid Software Engineer to join our team in St. Louis, MO, supporting a mission-critical geospatial application. This role requires strong full-stack Python experience, with a focus on API development, Kubernetes deployment, and modern DevOps practices to accelerate delivery. The engineer will work with an existing code base-learning it quickly, manipulating it for adjacent use cases, and implementing new features that advance mission capabilities. A background in geospatial systems, imagery acquisition, and geometry is a significant plus. Candidates must be passionate about modern architectures, able to adapt quickly to existing systems, and excited to tackle challenging technical problems for our mission users. In this role, you will: Strong full-stack Python development experience Experience building and maintaining APIs (ex. FastAPI) Experience with Kubernetes and DevOps practices to support rapid deployment and sustainment. Proven ability to work with pre-existing code bases, understand them quickly, and adapt functionality for new use cases. Experience with web services architecture, design, and development. Background working in secure cloud environments (e.g., AWS GovCloud, C2S). Understanding of geospatial systems, including imagery acquisition, geometry, and related workflows. Familiarity with geospatial data tools and libraries (e.g., PostGIS, ArcGIS, GDAL). Prior exposure to DoD/IC mission applications. If you're right for this role, you have: Active Top-Secret Clearance with the ability to obtain an SCI BS or equivalent in Computer Science, Engineering, Mathematics, Information Systems, or equivalent technical degree. 5+ years with a Bachelor's degree in a technical field, or 3+ years with a Master's in a technical field To learn more about us, check out our website at ******************** MOMENTUM. is an EEO/M/F/Veteran/Disabled Employer: We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The qualifications listed above are representative of the knowledge, skill, and ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. Accommodations: Consistent with the Americans with Disabilities Act (ADA) and Alabama civil rights law, it is the policy of MOMENTUM. to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment, including the application process. If reasonable accommodation is needed, please include a request when applying.
    $63k-88k yearly est. 16d ago
  • Mid-level Software Engineer

    DLS Engineering 3.9company rating

    Principal software engineer job in Saint Louis, MO

    Mid-level Software Engineer at DLS Engineering (on-site) DLS Engineering is seeking a Mid-level Software Engineer for a full-time position supporting a geospatial customer in St. Louis, Missouri. This is an on-site position. Why this role is a great next step for your career: This position supports an exciting modernization initiative providing enterprise architectural, engineering, operations and sustainment, modification, and testing of geospatial-intelligence core services. This utilizes secure cloud environments, and a modern agile development methodology making data accessible, discoverable, and deliverable. St. Louis offers a low cost of living, vibrant cultural scene, and abundance of free attractions and outdoor spaces. It offers a mix of big-city amenities and smaller-town charm, with unique neighborhoods, diverse food options, professional sports teams, and a growing technology sector. A day in the life: Creating, maintaining, and/or improving the performance of existing software code, with duties to write and update software code and databases under direction from the assigned Government Lead. When I read the below it sounds like me: Domain knowledge and hands-on experience in developing and implementing software programs. Proven ability writing test scripts, test driven development, in an agile software development environment, where building in automated test procedures in addition to functional code are paramount to continuous integration and continuous delivery of software. Clear communication skills Required Security Clearance: Top Secret/SCI Required: United States Citizenship Required Education/Experience: A Master of Science or equivalent degree in Computer Science, Engineering, Mathematics, Information Systems, Cybersecurity, or equivalent technical degree and a minimum of 2 years of experience in full stack development to include Java, Web services, Database, and micro-service development software, engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work. OR, a Bachelor of Science or equivalent degree in Computer Science, Engineering, Mathematics, Information Systems or equivalent technical degree and a minimum of 4 years of experience in full stack development to include Java, Web services, Database, and micro-service development software, or engineering/development. OR, a minimum, as equivalent to education, of 6 years of experience in software engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work may be substituted for a technical degree. Required technical skills in at least two of the following: Java, JavaScript, or Python enterprise application development Web services architecture, design, and development Relational database design Other information: We offer a competitive salary and a 401k program with company match. We offer a comprehensive benefits package including health, vision, dental, life, and disability insurance. We offer a generous paid time off package If accommodation is needed with the application and / or the interview process for applicants with disabilities, please contact Human Resources at ************. DLS is an E-Verify company. DLS is an equal employment opportunity employer. Qualified applicants will receive consideration without regard to age, race, religion, sex (pregnancy, sexual orientation, gender identity), national origin, or disability. We encourage all qualified applicants to apply. If you believe you have been discriminated against, please contact Barbara Ellison. You also have the right to file a charge of discrimination with the equal employment opportunity commission. Must be able pass a government background check, which will be completed before employment.
    $60k-80k yearly est. 7d ago
  • Back End Software Engineer (TS Clearance Required)

    North Point Technology 3.9company rating

    Principal software engineer job in Saint Louis, MO

    Job Description North Point Technology's FS2 Aero team seeks an experienced Backend Support Software Developer to enhance existing code and integrate solutions for the Aeronautical Navigation Office. The ideal candidate has strong software development expertise and coding skills across diverse tools and projects. You will collaborate with our teams to resolve complex technical issues, support incident response, and drive continual system improvements. Program core hours are 9am-3pm ET. Evening or weekend work can be required (approx. 2 times a month but can vary by mission requirements). When required, schedule changes will be arranged. This program requires employees to have an active TS clearance Responsibilities: This role supports the development of innovative systems for analytics, exploitation, production, and dissemination using web, remote desktop, and cloud technologies. Candidates should have 3+ years of Python and C#/Java framework experience, 4+ years with unit testing, CI tools, and GitLab, and expertise in cloud/SOA/web services or virtualization. The role also requires the ability to plan and prioritize in Confluence/Jira environments and communicate ideas clearly across diverse audiences. Required Skills/Experience: Requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience; OR 4 years of experience in lieu of degree Must possess an active Top Secret Security Clearance with ability to obtain SCI post hire DoD 8570 compliance Troubleshoot and resolve complex backend issues involving REST APIs, databases, and applications. Proficient in C#/Java with working knowledge of JavaScript/TypeScript. Develop and document functionality in GitLab repositories, applying DevOps practices to deliver features within an Agile framework. Contribute to Agile ceremonies (standups, sprint planning, increment planning) and support iterative testing using Atlassian tools (Jira/Confluence). Apply cloud computing expertise to administer systems, modify GOTS code, and integrate open-source solutions into web applications. Responsibilities include API development, database integration, and enabling interaction with Redux/React frameworks for visualization and data filtering, with best practices in unit and build testing. Collaborate with team members to review tickets, ensure proper testing, and deliver functionality aligned with User Story Acceptance Criteria. Preferred Skills/Experience Linux and/or Windows system administration DoD Aeronautical Datasets AWS cloud formation templates Node, NPM, Swashbuckle, REST API, Sass C# Developer, DevOps certification Team Collaboration tools (Jira, Confluence) Qualifications Must possess an active Top Secret Security Clearance BS in Information Systems, Computer Science of closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience. North Point Technology is THE BEST place to work for curious-minded engineers motivated to support our country's most crucial missions! We focus on long term projects, leveraging the latest technology in support of innovative solutions to solve our customer's most difficult problems. At North Point Technology, EMPLOYEES come first! We value our employees by providing excellent compensation, benefits, and a flexible work-life balance. We strive for a close-knit and open atmosphere where the owners are always directly available to our team members. Come join us! Apply with North Point Technology today! For positions requiring a federal security clearance, your clearance level must be clearly identified on your resume.
    $60k-80k yearly est. 2d ago
  • Mission Software Engineer, Public Sector

    Scale Ai Inc. 4.1company rating

    Principal software engineer job in Saint Louis, MO

    Scale AI is seeking a highly skilled and motivated Mission Software Engineer to join our dynamic Federal Engineering team. As a part of this team, you will play a critical role in supporting Scale's government customers by scoping and developing onsite solutions. Our scalable, high-performance platform is the foundation for these customer solutions, and your expertise will be instrumental in designing and implementing systems that can handle interactions with existing customer systems to help our products integrate into existing customer workflows. You will: Work directly with customers to understand their problems and translate those into features in Scale's platform. Be open to >50% travel or relocation to a key customer geographic location. Collaborate with cross-functional teams to define and execute the vision for backend solutions, ensuring they meet the unique needs of government agencies operating in secure environments. Implement end-to-end data integrations, syncing customer's data to Scale's platform and back Deploy and maintain Scale software at customer sites Develop customer requested features and work closely with them to ensure that they win customer love. Build robust and reliable backend systems that can serve as standalone products, empowering customers to accelerate their own AI ambitions. Participate actively in customer engagements, working closely with stakeholders to understand requirements and deliver innovative solutions. This role will require an active TS/SCI security clearance or the ability to obtain a security clearance. Ideally you have: Track record of success as a hybrid customer facing engineer, forward deployed software engineer, and ability to quickly adapt to different roles. Prior experience developing with Python and JavaScript, or other modern software languages. Familiarity with Node and React is a plus. Cloud-Native Technologies: Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and experience in developing and deploying applications in a cloud-native environment. Understanding of containerization (e.g., Docker) and container orchestration (e.g., Kubernetes) is a plus Linux experience: Understanding of shell scripting, operating systems, etc Networking experience: Understanding of networking technologies, configuration (ports, protocols, etc) Data Engineering: Knowledge of ETL (Extract, Transform, Load) processes and experience in building data pipelines to integrate and process diverse data sources. Understanding of data modeling, data warehousing, and data governance principles Problem Solving: Strong analytical and problem-solving skills to understand complex challenges and devise effective solutions. Ability to think critically, identify root causes, and propose innovative approaches to overcome technical obstacles Compensation packages at Scale for eligible roles include base salary, equity, and benefits. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position, determined by work location and additional factors, including job-related skills, experience, interview performance, and relevant education or training. Scale employees in eligible roles are also granted equity based compensation, subject to Board of Director approval. Your recruiter can share more about the specific salary range for your preferred location during the hiring process, and confirm whether the hired role will be eligible for equity grant. You'll also receive benefits including, but not limited to: Comprehensive health, dental and vision coverage, retirement benefits, a learning and development stipend, and generous PTO. Additionally, this role may be eligible for additional benefits such as a commuter stipend. Please reference the job posting's subtitle for where this position will be located. For pay transparency purposes, the base salary range for this full-time position in the locations of San Francisco, New York, Seattle is:$184,000-$292,560 USDThe base salary range for this full-time position in the locations of Washington DC, Texas, Colorado is:$165,600-$263,304 USDThe base salary range for this full-time position in the location of Hawaii/St. Louis is:$138,000-$219,420 USD Compensation packages at Scale for eligible roles include base salary, equity, and benefits. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position, determined by work location and additional factors, including job-related skills, experience, interview performance, and relevant education or training. Scale employees in eligible roles are also granted equity based compensation, subject to Board of Director approval. Your recruiter can share more about the specific salary range for your preferred location during the hiring process, and confirm whether the hired role will be eligible for equity grant. You'll also receive benefits including, but not limited to: Comprehensive health, dental and vision coverage, retirement benefits, a learning and development stipend, and generous PTO. Additionally, this role may be eligible for additional benefits such as a commuter stipend. The base salary range for this full-time position in the location of Honolulu, Hawaii is:$138,000-$219,420 USD PLEASE NOTE: Our policy requires a 90-day waiting period before reconsidering candidates for the same role. This allows us to ensure a fair and thorough evaluation of all applicants. About Us: At Scale, our mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. We work closely with industry leaders like Meta, Cisco, DLA Piper, Mayo Clinic, Time Inc., the Government of Qatar, and U.S. government agencies including the Army and Air Force. We are expanding our team to accelerate the development of AI applications. We believe that everyone should be able to bring their whole selves to work, which is why we are proud to be an inclusive and equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability status, gender identity or Veteran status. We are committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at accommodations@scale.com. Please see the United States Department of Labor's Know Your Rights poster for additional information. We comply with the United States Department of Labor's Pay Transparency provision . PLEASE NOTE: We collect, retain and use personal data for our professional business purposes, including notifying you of job opportunities that may be of interest and sharing with our affiliates. We limit the personal data we collect to that which we believe is appropriate and necessary to manage applicants' needs, provide our services, and comply with applicable laws. Any information we collect in connection with your application will be treated in accordance with our internal policies and programs designed to protect personal data. Please see our privacy policy for additional information.
    $60k-80k yearly est. Auto-Apply 3d ago
  • Software Engineer, macOS Core Product - St. Louis, USA

    Speechify

    Principal software engineer job in Saint Louis, MO

    At Speechify, our mission is to ensure reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products-including apps on iOS, Android, mac OS, Chrome, and web-to listen to PDFs, books, docs, and web content faster, smarter, and more joyfully than ever before. Our product has earned recognition from Google ( Chrome Extension of the Year ) and Apple ( App of the Day and 2025 Inclusivity Design Award) for its impact and accessibility. We're a fully remote, distributed team of engineers, designers, researchers, and product builders from world-class companies like Amazon, Microsoft, Google, Stripe, and more. We move fast, ship often, and love solving real user problems. Role Overview As a Software Engineer on the mac OS team, you'll help build and scale Speechify's core desktop experience for millions of users. You'll own significant parts of our mac OS app architecture, ship production-ready code, and collaborate closely with product, design, and engineering teams across the company. This is a key role for someone who thrives in a fast-paced startup environment, enjoys making high-impact product decisions, loves delightful user experiences, and has a passion for accessibility and performance. What You'll Do Lead key engineering and product decisions for the mac OS app. Write, test, and ship production-quality code that scales to millions of users. Maintain and evolve complex app architecture with a focus on performance and stability. Work within a cross-functional team, partnering with designers and PMs to shape features from concept to launch. Participate in product planning and roadmap discussions. Drive continuous improvement in code quality, CI/CD processes, and development workflows. You should have: Demonstrated experience shipping mac OS (or related desktop) applications used by many customers. Strong engineering instincts with a deep focus on user experience. A strategic mindset for building great products-not just writing code. Ability to work quickly, decide what to build now vs. later, and iterate fast. Experience working in remote, distributed teams. Technical requirements: Swift / SwiftUI (mac OS) proficiency. Solid understanding of AppKit, mac OS frameworks, and desktop-specific UI paradigms. Strong understanding of concurrency and asynchronous execution models Familiarity with Bitrise, CI/CD workflows (e.g., Xcode Cloud, GitHub Actions). Strong understanding of concurrency and asynchronous execution models What We offer: Impact & Ownership: Build and influence a product used by millions globally. Remote First: Flexible, asynchronous work culture. Growth & Leadership: Flat org - leadership is earned by impact, not title. Collaborative Environment: Work with smart, passionate engineers and designers. Competitive Compensation: Market-aligned salary, bonus, and equity. The United States Based Salary range for this role is: 140,000-200,000 USD/Year + Bonus + Stock depending on experience Why Join Speechify? At Speechify, we ship fast, build for real users, and care deeply about quality and accessibility. You'll work on products that change lives, and your contributions will shape both the product and the company. If this sounds like your kind of challenge, we'd love to hear from you. Apply with your resume and links to your portfolio or GitHub! Think you're a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don't forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.
    $59k-79k yearly est. 7d ago
  • Salesforce - Software Engineer

    The Timberline Group

    Principal software engineer job in Saint Louis, MO

    The Software Engineer - Salesforce is responsible for application development and support of the Salesforce CRM system. They will work closely with IT Business Analysts and Solution Architects to understand and analyze how core business processes interact with Salesforce CRM and identify key opportunities for improvement. Essential Duties & Responsibilities: Review and analyze business requirements and develop solutions using standard programming languages and other available tools that enhance or support business and operations. Documents the requirements, technical designs, and specifications according to company standards. Performs Unit testing to ensure applications and processes work as expected. Ensure software performance, reliability, and scalability. Participate in software design reviews, code reviews, and system integration activities. Work collaboratively with consultants, implementation managers and client IT resources to develop, test, implement products and issue resolution. Communicate with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness. Adheres to standards in both new and existing software, including purchased packages and in-house development. Communicates with vendors for basic support and troubleshooting. Possesses an adequate understanding of the major business activities of the company. This position may require occasional travel. This position may require support during non-working hours. Essential Knowledge, Skills and Abilities: BA/BS in Computer Science or related field of study or equivalent related work experience. 3+ years of experience in programming and IT Applications Development using a variety of tools and technology performing at an accomplished level. 2+ years of Salesforce development experience Required skills in these Salesforce technologies: Apex, Visualforce pages, Lightning Web Components, Apex Triggers, SOQL, Data Loader, Flows, and Reporting. Salesforce Platform Developer I certification is preferred; Platform Developer II or additional certifications are a plus. Proven understanding of REST API integrations. Experience in designing and developing software applications with proficiency in one (1) or more programming languages that may include .Net, JavaScript, HTML, CSS, or Python. Strong knowledge of coding and application design principles and software development best practices, including version control, testing, and documentation. Middleware experience preferred. Low/no code experience preferred. Ability to establish effective working relationships with business and project team members. Proficient oral and written communication skills. Working knowledge of multiple 3 rd party applications (SQL server, Jitterbit Harmony and Jitterbit App Builder, Propel) and ERP applications (JD Edwards, Oracle, Hyperion) preferred. The Timberline Group Phone: ************ PO Box 385, Lebanon, MO 65536 ********************* ************************* "Delivering quality solutions through quality people"
    $59k-79k yearly est. Easy Apply 60d+ ago
  • Information Technology - Software Engineer

    Stratacuity

    Principal software engineer job in Saint Louis, MO

    Job Description: The Software Engineer will have responsibilities that include, but are not limited to: * Develop , deploy and operate high scale applications and back end services with Java, Spring Framework, Spring Boot, microservices * Conducting code reviews for peers * Apply modern software development practices (serverless computing, microservices architecture, CI/CD, infrastructure-as-code, etc.) * Working closely with Product Owners, Tech Leads and Solution Architect to understand strategic objectives and technical design * Follow Equifax Engineering Handbook for SDLC * Actively participate in Backlog refinement, Sprint planning, Sprint Retrospectives, Daily Standup and Sprint Demo * Other duties as assigned The Software Engineer must have the following skills and experience to perform this job effectively: * Bachelor's degree or equivalent experience * 5+ years of software engineering experience * 5+ years experience designing and developing microservices using Java, Spring Boot, GCP SDKs, GKE/Kubernetes * 5+ years experience with Cloud technology: GCP, AWS, or Azure * 5+ years experience deploying and releasing software using Jenkins CI/CD pipelines, understand infrastructure-as-code concepts, Helm Charts, and Terraform constructs * Excellent oral and written communication skills * Strong, problem solving and analytical capabilities * Demonstrated ability to work effectively in a fast-paced, high volume, deadline-driven environment * Ability to balance multiple demands and work both independently and as part of a team to develop solutions * Take ownership, and be held accountable for delivery commitments EEO Employer Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or ************. Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details. Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide. Employee Type: Contract Location: St. Louis, MO, US Job Type: Date Posted: November 18, 2025 Similar Jobs * Information Technology - Software Engineer - Sr. * Information Technology - Site Reliability Engineer * Information Technology - Quality Engineer - Sr. * Madison, WI - IT - UW - System Administration - Information Technology - Office * Software Engineering - Software Engineer IV
    $59k-79k yearly est. 17d ago
  • Software Engineer - Platform (AWS)

    Nisc

    Principal software engineer job in Saint Louis, MO

    NISC develops and implements enterprise-level and customer-facing software solutions for over 960+ energy cooperatives and communication organizations across North America. Our mission is to deliver technology solutions and services that are Member-focused, quality-driven and valued-priced. We exist to serve our Members and help them serve their communities through our innovative software products, services and outstanding customer support. We are an AI-forward company committed to being a technology leader in our industry. NISC has been ranked in ComputerWorld's Best Places to Work for 23 years, and we are looking for qualified individuals to join our team. NISC is always seeking out experienced and talented software engineers that are motivated, enjoy working with others and solving complex challenges. We look for individuals who will thrive in a team environment, be committed to accomplishing a common goal and aren't afraid to learn new things and have some fun along the way. Primary Responsibilities: NISC is looking for passionate engineers to add to our Platform team to push our solutions to their fullest potential. You'll work with a team of talented engineers to evolve our platform, used by hundreds of application developers to build, deploy, and run thousands of services. Essential Functions: * Complete complex software maintenance and enhancements independently * Analyze and translate advanced level user requirements and design into software, with a focus on multiple areas of the solution * Research, analyze, and resolve moderately complex issues and bugs. * Work closely with development teams to research, design, and implement new features. * Follow industry and organizational best practices * Keep up with technology trends and innovations in your field of practice. * Other duties as assigned Desired Experience and Skills: * Generally, requires 10+ years' experience in software development or infrastructure * Proficient with Python and Terraform * Proficient with Git * Experience with Java, Springboot, Gradle * Experience with Linux * Experience with build pipeline tools (Bamboo) * Experience with building and running containers (Docker) * Experience with cloud providers (AWS) * Working knowledge of deploying and maintaining Kubernetes clusters * Ability to leverage generative AI tools and technologies to enhance productivity, creativity, and problem-solving within the scope of the role * Commitment to NISC's Statement of Shared Values. Work Schedule: * Hybrid from one of our office locations: * Cedar Rapids, IA * Lake Saint Louis, MO * Mandan, ND * Hybrid Schedule: Minimum of working 3 day per week out of an office location and ability to work up to all 5 days a week from an office location. * Required Days from an Office Location: Tuesday and Wednesday - the third required day will be up to the candidate and their supervisor to choose NISC's Shared Values & Competencies: We're a cooperative, which means we're owned by the Members we serve. It also means that our focus is on taking care of our Members and our employees, rather than having a big bottom line. Quality service and innovative technology starts with happy and dedicated employees. Join our team and learn for yourself what sets NISC apart. * Integrity - We are committed to doing the right thing - always. * Relationships - We are committed to building and preserving lasting relationships. * Innovation - We promote the spirit of creativity and champion new ideas. * Teamwork - We exemplify the cooperative spirit by working together. * Empowerment - We believe individuals have the power to make a difference. * Personal Development - We believe the free exchange of knowledge and information is absolutely necessary to the success of each individual and the organization. Benefits: * Medical, Dental and Vision Insurance. * Health Savings Account (HSA) with $100 monthly contributions from NISC. * Like to walk? Improve your overall wellness knowledge? Ability to earn up to $800 additional dollars into your HSA each year through our Wellness Rewards program. * Dependent Care Flexible Spending Account (FSA) thru Paylocity. * Fully covered life insurance up to x3 annual base salary. * Fully covered short- and long-term disability. * 401(k), traditional or Roth, with employee match up to 6% and employer 4% salary base contributions. * PTO accrual levels dependent on years of service, 120 Life Leave Event hours, and 9 paid holidays. * $2,500 Interest-FREE technology loan program. * $25,000 employee educational assistance program. * Volunteer, Wellness, Family Events and other employee fun supplied by our committees. * Employee Assistance Program; assisting employees and dependents with virtually any life event * Benevolence Committee to support employees with financial hardships like unexpected medical bills, funerals and other unfortunate hardships. Education Preferred: Bachelor's or master's degree in a Computer Science, Computer Engineering or a related field and/or equivalent experience. Minimum Physical Requirements: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the essential functions of this position, employees must be able to see and communicate. Employees are regularly required to maintain a stationary position, move, and operate computer keyboards or office equipment. Disclaimer: Management may modify this job description by assigning or reassigning duties and responsibilities at any time. Key Words: Java | Angular | TypeScript | AWS Cloud | SQL | Big Data | Spring Boot | Cassandra | Kubernetes | Microservices | Spark | Databricks | .NET | Agile | Scrum | Time Series | Database | Databricks | SDLC | Cross Functional | Automated Testing
    $59k-79k yearly est. Auto-Apply 17d ago
  • Software Engineer - St Louis MO

    Msccn

    Principal software engineer job in Saint Louis, MO

    ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers. If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps. Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you. Equifax is seeking creative, high-energy and driven software engineers with hands-on development skills to work on a variety of meaningful projects. Our software engineering positions provide you the opportunity to join a team of talented engineers working with leading-edge technology. You are ideal for this position if you are a forward-thinking, committed, and enthusiastic software engineer who is passionate about technology. This role requires being in the office 3 days/week on Tues - Thurs. This position does not offer immigration sponsorship (current or future) including F-1 STEM OPT extension support. What you'll do Design, develop, and operate high scale applications across the full engineering stack Design, develop, test, deploy, maintain, and improve software. Apply modern software development practices (serverless computing, microservices architecture, CI/CD, infrastructure-as-code, etc.) Work across teams to integrate our systems with existing internal systems, Data Fabric, CSA Toolset. Participate in technology roadmap and architecture discussions to turn business requirements and vision into reality. Participate in a tight-knit, globally distributed engineering team. Triage product or system issues and debug/track/resolve by analyzing the sources of issues and the impact on network, or service operations and quality. Manage sole project priorities, deadlines, and deliverables. Research, create, and develop software applications to extend and improve on Equifax Solutions Collaborate on scalability issues involving access to data and information. Actively participate in Sprint planning, Sprint Retrospectives, and other team activity Additional Qualifications/Responsibilities What experience you need Bachelor's degree or equivalent experience 5+ years of software engineering experience 5+ years experience writing, debugging, and troubleshooting code in mainstream Java, SpringBoot, TypeScript/JavaScript, HTML, CSS 5+ years experience with Cloud technology: GCP, AWS, or Azure 5+ years experience designing and developing cloud-native solutions 5+ years experience designing and developing microservices using Java, SpringBoot, GCP SDKs, GKE/Kubernetes 5+ years experience deploying and releasing software using Jenkins CI/CD pipelines, understand infrastructure-as-code concepts, Helm Charts, and Terraform constructs What could set you apart Self-starter that identifies/responds to priority shifts with minimal supervision. Experience designing and developing big data processing solutions using Dataflow/Apache Beam, Bigtable, BigQuery, PubSub, GCS, Composer/Airflow, and others UI development (e.g. HTML, JavaScript, Angular and Signal) Experience with backend technologies such as JAVA/J2EE, SpringBoot, SOA and Microservices Source code control management systems (e.g. SVN/Git, Github) and build tools like Maven & Gradle. Agile environments (e.g. Scrum, XP) Relational databases (e.g. SQL Server, MySQL) Atlassian tooling (e.g. JIRA, Confluence, and Github) Developing with modern JDK (v1.7+) Automated Testing: JUnit, Selenium, LoadRunner, SoapUI
    $59k-79k yearly est. 35d ago
  • Software Engineer

    RGI General Contractors 4.2company rating

    Principal software engineer job in Saint Louis, MO

    Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data collection to advanced deep learning, leveraging tools like Python, Java, and ArcGIS. We don't just fill roles we build teams of high performers and leaders who make an immediate impact. At our core, we're driven by innovation and powered by people who work at the intersection of passion and performance. Here, you'll collaborate with bold thinkers, leverage cutting edge technology, and tackle meaningful challenges from day one. Our culture is defined and anchored by three pillars: Energy: We bring passion, purpose, and urgency to our work.Edge: We take initiative, embrace growth, and step outside our comfort zone.Execution: We get things done smartly, decisively, and with real results. If you're the kind of person who leads with initiative, thrives in a fast-paced environment, and is eager to create real impact, we want you on our team. Clearance:Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI PolygraphUS Citizenship Required *This job posting is for a potential upcoming opening, and we encourage interested candidates to apply for future consideration.As a Software Engineer, you will... Contribute to the design, development, testing and integration of new capabilities from an idea to production across a complex system Integrate capabilities from different systems across the enterprise while the needs of users and stakeholders are met Participate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories Write or contribute to documentation and end-user instructions/manuals, as necessary Software Engineer Qualifications... Associate's or Bachelor's Degree in Computer Science or related field 5+ years of experience in software development with experience in all phases of the software development lifecycle (analysis, design, development, testing, deployment, maintenance) Demonstrated experience developing with modern languages such as: Python, Ruby, Clojure, Java, JavaScript, etc. Experience designing, developing, documenting, testing, and debugging software that contains logical and mathematical solutions to problems Demonstrated experience using rapid prototyping and Agile based software development methodologies GEOINT/SIGINT/IMINT domain knowledge Additional Skills We'd Like to See: Understanding of machine learning concepts Experience with development in microservice based architectures Understanding of web application development concepts and experience using web frameworks Experience with container technologies and orchestration such as Docker, Docker Compose, Kubernetes, etc. Experience with continuous integration and software CM processes / tools (Git, GitLab, GitLab CI, Jenkins, JIRA, Confluence) AWS experience and/or AWS certification (Developer, DevOps and/or, Architect, etc.) Security+ Certification Highly preferred to have Python programming language experience Who we are:Reinventing Geospatial, Inc. (RGi) is a fast-paced small business that has the environment and culture of a start-up, with the stability and benefits of a well-established firm. We solve complex problems within geospatial software development and national defense to make an Immediate Impact for our nation's soldiers and analysts. We pride ourselves on giving employees an exceptional life experience, where creativity thrives, and challenges are simply part of the fun. We provide truly excellent benefits, including: · 100% paid employee healthcare & dental insurance· Paid parental leave· 401k with matching· Escalating vacation time· Referral bonuses· Tuition reimbursement· Professional development training· Free beverages and snacks· Weekly catered lunches and breakfast on Fridays Grow to be our next leader:At RGi, fostering a strong and organic corporate culture is paramount and serves as a compass on the decisions we make and how we operate the company. We believe our culture of camaraderie, innovation, and collaboration reflects the caliber of our employees and their dedication to the mission of providing quality software to our customers. As such, we want our employees to feel empowered to seek growth and leadership opportunities within the company and position us to maintain our culture as we grow. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. If this is what you are looking for in a company, then you are what we are looking for in an employee. Reinventing Geospatial, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions.
    $56k-72k yearly est. Auto-Apply 60d+ ago

Learn more about principal software engineer jobs

How much does a principal software engineer earn in Saint Louis, MO?

The average principal software engineer in Saint Louis, MO earns between $80,000 and $138,000 annually. This compares to the national average principal software engineer range of $98,000 to $182,000.

Average principal software engineer salary in Saint Louis, MO

$105,000

What are the biggest employers of Principal Software Engineers in Saint Louis, MO?

The biggest employers of Principal Software Engineers in Saint Louis, MO are:
  1. MKS2 Technologies
  2. Remedy Technological Services L P
  3. Omni Services
  4. Dls
  5. Freedom Technology Solutions Group
  6. Monterey Technologies
  7. Monterey Technologies Inc.
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