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Software developer internship jobs in Saint Charles, MO

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  • Software Developer

    Procession Systems

    Software developer internship job in Saint Louis, MO

    Start your next chapter with a top industry leader offering competitive benefits and relocation support, we are looking for a highly skilled Full-Stack developer to support a mission critical system and help lead initiatives related to a custom web application. Primary duty of the candidate will be to design, code and participate in the maintenance and enhancement of an enterprise web application. In addition to designing and developing code, the ideal candidate should also have the drive and willingness to work within AWS. The selected candidate will find themselves on a path to continual learning and professional growth on a great team and mission. REQUIRED QUALIFICATIONS: 5+ years experience building web applications in any modern framework based on languages like C#, Python, Java, or JavaScript 2+ years experience with AWS or Azure Cloud Environments. Possess a solid understanding of the environment and ability to perform basic management and troubleshooting. Experience in a modern web framework like Angular, React, Vue, Node, or Ember. Deep understanding of HTML, HTTP, client-side rendering, and DOM manipulation through JavaScript and libraries such as jQuery. Experience with Windows and Linux environments and the Linux command line. Experience with object-oriented programming. Knowledge of web application performance issues and best practices. Extensive knowledge of developer tools such as Jira, Git and Gitlab. Experience developing web services and integrating enterprise-class systems. Strong troubleshooting skills. Experience working with cross-functional teams using agile practices and continuous delivery. Bachelor's degree or higher in computer science or a closely related field. CLEARANCE: Top Secret minimum
    $65k-85k yearly est. 2d ago
  • Android Developer

    Greymatter Innovationz

    Software developer internship job in Saint Louis, MO

    Greymatter Innovationz helps you stay digitally relevant across domains, technologies, and skillsets, every day. Android developer- Onsite in St. Louis- Must have- SDK development end-to-end and Bluetooth and BLE Framework knowledge Job Description - SDK Developer (Bluetooth/BLE) Role Overview We are seeking an experienced SDK Developer with strong expertise in building end-to-end software development kits and deep knowledge of Bluetooth and Bluetooth Low Energy (BLE) frameworks. The ideal candidate will design, develop, and optimize SDK solutions that integrate seamlessly with our product ecosystem while ensuring high performance, security, and reliability. Key Responsibilities Design, develop, and maintain end-to-end SDKs, including architecture, implementation, versioning, and release processes. Build robust, scalable, and reusable SDK components for mobile and connected devices. Integrate and optimize Bluetooth/BLE communication within applications and device platforms. Work closely with cross-functional teams (mobile, firmware, QA, product) to ensure seamless integration. Troubleshoot and resolve issues related to connectivity, performance, and compatibility. Contribute to technical documentation, coding standards, and best practices. Participate in code reviews and provide constructive feedback. Stay updated with emerging technologies, Bluetooth advancements, and SDK frameworks. Required Skills & Qualifications Strong hands-on experience in end-to-end SDK development. Solid understanding of Bluetooth and BLE frameworks, protocols, and communication flows. Experience with mobile platforms (iOS, Android) or embedded systems is a plus. Proficiency in programming languages such as Java, Kotlin, Swift, Objective-C, or C/C++. Strong problem-solving skills and ability to work in a fast-paced environment. Experience working with APIs, connectivity modules, and device communication layers. Good understanding of software architecture, design patterns, and debugging tools. Preferred Qualifications Experience with IoT ecosystems or connected consumer products. Knowledge of firmware communication interfaces. Experience with performance tuning and low-level debugging. Familiarity with version control systems (Git) and CI/CD pipelines. At Greymatter Innovationz, We offer: Motivating Work Environment. Excellent Work Culture. Help you to upgrade yourself to the next level. And More!!!
    $71k-94k yearly est. 2d ago
  • Software Engineer

    Boeing 4.6company rating

    Software developer internship job in Berkeley, 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. Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality, cost-effective information technology and business intelligence solutions. With a dedicated team of approximately 500 professionals, we proudly serve 75 defense, commercial, and government clients across more than 50 U.S. locations and 9 countries worldwide. As a trusted partner, our employees embody our core values by consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure the safety of our global customers and team members. Joining Tapestry Solutions means enjoying the best of both worlds: access to the vast resources of Boeing combined with the agility and people-focused, family-oriented culture of a small business where your contributions truly matter. Tapestry Solutions, a part of Boeing Global Services BGS, is seeking a Software Engineer in Berkeley, MO to support future franchise programs. In this role you will support mission planning software development, integration and test efforts supporting the fielding of systems critical to our national defense posture. These Solutions will shape the way the DoD conducts mission planning for the next 30 years. Position Responsibilities: Supports the design, development, test, and maintenance of software throughout the end-to-end lifecycle Assists Product Owner to review, analyze, and translate customer requirements into initial design of software products Supports with development, maintenance, enhancement and optimization of software products and functionalities for systems integrations Support ?development, documentation and maintenance of architectures, requirements, algorithms, interfaces and designs for software products ?Support with debugging and resolution of issues identified to ensure the reliability and efficiency of software products Troubleshoot technical issues Assists to develop, establish, monitor and improve software processes Basic Qualifications (Required Skills/Experience): Bachelor's Degree Current Active U.S. Secret Clearance 5+ years of experience conducting software development Experience working in an Agile environment including large "team of teams" Agile environments Code Languages: C#, .NET Experience with version control tools such as git, Bitbucket, etc. Preferred Qualifications (Desired Skills/Experience): Experience with Software Development Patterns: microservice, REST, Mono Repo, Mono DB's, SPA Experience in all aspects of designing and implementing system architecture, requirements, software and software testing Experience with Typescript, ReactJS/Redux Experience with Mission Planning Drug Free Workplace: We are a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria are met as outlined in our policies. Pay & Benefits: We strive to deliver a total rewards package that will attract, engage and retain the top talent. Elements of this package include competitive base pay and variable compensation opportunities. We also provide 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 and date of hire. Pay is based upon candidate experience and qualification, as well as market and business considerations. Summary base pay range $103,000 - $121,000 Applications for this position will be accepted until Dec. 20, 2025 Export Control Requirements: This position must meet export control compliance requirements. To meet export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.15 is required. "U.S. Person" includes U.S. Citizen, lawful permanent resident, refugee, or asylee. Export Control Details: US based job, US Person required Education Bachelor's Degree or Equivalent Required Relocation Relocation assistance is not a negotiable benefit for this position. Security Clearance This position requires an active U.S. Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active) 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.
    $103k-121k yearly 2d ago
  • Sr. Developer - Ericsson Order Care (EOC) and AWS

    Telus Digital

    Software developer internship job in Saint Louis, MO

    We are seeking a highly skilled Sr. Developer with strong experience in Ericsson Order Care (EOC) and AWS to join our dynamic team. The ideal candidate will bring deep technical expertise, a proactive attitude, and a passion for delivering high-quality solutions in a fast-paced environment. Key Responsibilities: Design, develop, and support solutions using Ericsson Order Care. Leverage AWS cloud services to build scalable and secure applications. Collaborate with cross-functional teams to gather requirements and implement solutions. Ensure best practices in coding, architecture, and deployments. Troubleshoot and resolve technical issues across the stack. Participate in code reviews and contribute to continuous improvement initiatives. Required Skills & Experience: Hands-on experience with Ericsson Order Care (EOC) is mandatory. Strong knowledge and working experience with AWS services (e.g., EC2, Lambda, S3, RDS, etc.). Proficiency in programming languages such as Java, Python, or similar. Experience working in Agile/Scrum environments. Strong problem-solving skills and excellent communication abilities. Preferred Qualifications: Telecom domain experience is a plus. Experience integrating EOC with other systems or OSS/BSS platforms.
    $78k-101k yearly est. 5d ago
  • Software Engineer

    The Judge Group 4.7company rating

    Software developer internship job in Hazelwood, MO

    This position will be responsible for the design, development, manufacture, and maintenance of training devices for a wide variety of commercial and military aircraft - everything from F-15 fighter jets to Apache attack helicopters, and even NASA's Starliner spacecraft. Software engineers on this team are responsible for all phases of the software lifecycle, including architecture, design, implementation and test. They are also directly involved in planning their own work, as part of the agile methodology, with a focus on technical excellence. This team is a large software development team comprised of several smaller agile teams, some with specialized skills. Our backlog includes everything from new feature development using cutting-edge technology to maintenance of legacy software baselines. The successful candidate will need to be comfortable working in an often fast-paced environment within a two-week "sprint" schedule. Position Responsibilities • Designs, architects, and develops simulation models, simulation visualizations, virtual environments/platforms, and frameworks to enhance test performance, safety, and durability of software and hardware systems throughout the entire product lifecycle. • Partners with stakeholders to review and identify simulation requirements and dynamics of the systems being simulated. • Performs design, modeling, simulation, testing, and analysis to assess and optimize overall system performance and capabilities. • Performs data collection and processing for use in simulations. • Validates, verifies, and refines simulation software code, models, simulations, test procedures and test environments, executing test procedures and documenting test results and models against real-world data, test data, benchmarks, or other similar models. • Documents and maintains technical code, algorithms, specifications and descriptions of simulation models. • Partners with cross functional engineering teams to enable integration of simulation software with hardware devices and systems. • Implements current and emerging technologies, tools, frameworks, and methods in the software engineering simulation environment. • Modernizes, migrates, sustains, and updates simulation software to adapt legacy systems to new operating systems. • Performs simulation software project management functions. Basic Qualifications • Bachelor's Degree in an engineering discipline • 8+ years of experience in software engineering • 5 years of experience in C++,C#, C, Rust or other programming languages • 5 years of experience in Window and/or Linux distributions • 5 years of experience in Gitlab or IDE tools • 5 years of experience in software development/ agile environment Preferred Qualifications • Knowledge of aircraft systems, including weapons, night vision system, mechanics, hydraulics, electronics, flight controls, etc. • Knowledge of cloud architecture, including the different types of clouds (public, private, and hybrid), the different cloud platforms and the various components involved (computing, storaging and networking). Ability to automate and script skills. Knowledge of containerization technologies which includes understanding how to manage containers, deploy applications in a containerized environment, and troubleshoot issues. Knowledge of understanding of networking concepts, including IP addressing, subnetting, routing, and security (focus on security best practices and technologies). • Knowledge of specification format requirements, guidelines, and change control processes. Understanding of relationship between specifications/standards and aircraft/product certification systems. • Knowledge of various engineering disciplines such as electrical, mechanical, and systems. The ability to communicate with technical personnel from multiple skill areas and functions to evaluate technical information and issues impacting design, production, and support of products, services, or other deliverables. • Knowledge of how to derive and allocate requirements (e.g., system, sub-system, software) and show traceability throughout the product lifecycle. • Knowledge and ability to design, develop, integrate, apply, and test software models, simulations, framework environments, tools, and applications with higher order programming languages, assembly, and auto-code. Ability to perform Application Programming Interface (API) design, implementation, and testing. Knowledge of real-time software architecture and design methodologies to synthesize models and simulation frameworks that meet real-time requirements; this includes knowledge of real-time target environments, its processor and network architecture, communication protocols, and electrical interfaces. • Knowledge of software architecture and design methodologies. Ability to synthesize software architectures and designs that meet requirements, characteristics and constraints. • Knowledge of build and execution environments that include hosts, processors, operating systems, and networks. Ability to build, integrate, test, and troubleshoot software components comprising simulation models and build/execution frameworks. Knowledge of verification, validation, certification, and qualification processes. • Ability to design and develop software testing processes for different units, modules or components of a software application as a combined and integrated entity. It includes deep knowledge of integration-testing tools. • Ability to apply knowledge of 2D and/or 3D computer graphics to generate data representation and to communicate information. Ability to build animated graphics--graphic simulations simulating how systems work. Understanding of visual analytics tools and research. Background and familiarity with algorithms for image processing. Knowledge of multiple programming languages and operating systems to develop prototypes in this technology area. Ability to integrate hardware and software components into demonstrations. Education / Experience: Bachelor's Degree in an engineering discipline
    $61k-80k yearly est. 3d ago
  • React Native - Software Engineer

    Spectraforce 4.5company rating

    Software developer internship job in Saint Louis, MO

    Job Title: React Native - Software Engineer Duration of project: 6+ months Key Responsibilities: As one of our valued React Native Developers, your task will be constructing high-performance mobile apps for both iOS and Android platforms. Your duties will include: Spearheading the architecture and construction of these applications while coordinating with teams managing other layers of product infrastructure. Building enterprise-level React Native apps with precision-crafted UIs for Android and iOS platforms. Leveraging native APIs for extensive integrations with native mobile platforms. Diagnosing and rectifying bugs and performance bottlenecks to ensure seamless, native-like performance. Upholding coding standards and writing automated tests to guarantee top-notch product quality. Translating complex requirements into distinct coding tasks and strategies. Crafting unit and integration tests for thorough and regressive software testing. Participating in design and code reviews. Collaborating with various teams (Product, PM, etc.) to ensure the delivered code aligns with functional/technical specifications. Engaging actively in Agile routines and ceremonies, including daily standups, sprint planning, and sprint demos/retrospectives. Essential Qualifications: Bachelor's degree in Computer Science or a related field or equivalent practical experience Minimum of 3 years of professional React Native development experience in an Agile environment. Profound understanding of Computer Science fundamentals, including OOAD, MVVM design patterns, data structures, and algorithms. Extensive experience in creating React-Native modules (npm) and developing reusable custom libraries and components. Extensive experience with Typescript. Profound understanding of front-end frameworks, particularly React. Experience with RESTful APIs and OAUTH. Proficiency in creating a Jenkins pipeline using third-party tools like Fastlane. Proven experience in deploying applications on Apple AppStore and Google Playstore. Proficiency in JavaScript and TypeScript languages. Solid foundation in working with third-party libraries (Redux, RxJS) and debugging dependency conflicts. Comprehensive understanding of the mobile app development lifecycle. Knowledge of object-oriented programming and reactive programming patterns. Experience with RESTful APIs, integrating mobile applications to server-side systems, and understanding the document request model and offline storage. Familiarity with automated testing suites, like Jest, Mocha, and Postman, and experience with unit and integration tests (Espresso, JUnit) and Co-routines. Experience with dependency injection (Dagger). Ability to contribute to a large-scale Agile-driven software engineering project, with a solid understanding of professional software engineering best practices for the entire SDLC, including CI/CD. Excellent verbal and written communication skills. Open-mindedness, a relentless thirst for learning, and an unyielding spirit of collaboration. Exceptional interpersonal skills and a positive mindset. Preferred Additional Experience: Experience with TDD or BDD. Familiarity with cloud-native, scalable, and highly available distributed systems. Understanding relational and NoSQL databases such as MySql, Postgres, Mongo, and Redis. Experience with container technologies like Docker and Kubernetes. Experience with Atlassian tools such as JIRA and Confluence.
    $59k-78k yearly est. 2d ago
  • Salesforce Developer

    Net2Source (N2S

    Software developer internship job in Saint Louis, MO

    Telecom B2B Sales Domain Lead defect triage and resolution in a complex Salesforce Sales Cloud environment integrated with NetCracker CPQ and MuleSoft Collaborate with offshore teams to guide solution design and troubleshooting Perform hands-on remediation of high-priority defects during US business hours Bring telecom industry experience, specifically in B2B sales processes Demonstrate strong communication, leadership, and problem-solving skills Technical Skills Required: Salesforce Sales Cloud (configuration, customization, Apex, Lightning Components) deep experience required Understanding/experience with a CPQ software (configuration and integration experience preferred) NetCracker CPQ nice to have but not required MuleSoft (API integration, troubleshooting, and flow design) nice to have but not required Strong understanding of data flows, system integrations, and middleware Experience with defect tracking tools Familiarity with Agile/Scrum methodologies Ability to analyze logs, debug issues, and propose scalable solutions
    $75k-99k yearly est. 1d ago
  • 2026 Summer Intern: Software Engineer

    Charter Spectrum

    Software developer internship job in Maryland Heights, MO

    This role requires the ability to work lawfully in the U.S. without employment-based immigration sponsorship, now or in the future. At a Glance * You're a motivated rising senior student with a 3.0 GPA or higher seeking a degree in one of the following areas listed below from an accredited college or university: * Computer Information Systems, Computer Science, Electrical and Computer Engineering, Engineering Technology Management, Information Science, Information Technology * This is a full-time, 10-week program designed to give you real-world experience working within the telecommunications industry in your field of choice. * Internship program runs from May 27 through July 31, 2026. * In addition to the role-based projects you'll work on, you'll also participate in professional development sessions, networking opportunities, and have access to a mentor. The Spectrum Internship Experience You'll join one of our departments for the summer, where you'll contribute to meaningful projects that give you insight into what it's like to work at a leading connectivity company. You'll have access to: * Opportunities to gain new skills and elevate the ones you already have, all in a robust and forward-thinking business setting. * Build connections with our team members and senior leaders who can help you better understand what our business looks like and what it's like to work here. * Receive mentorship from a member of our team, who can provide one-on-one advice to help you reach your professional goals. What you can expect in this role As a Spectrum intern, you'll spend the summer working alongside two teams - your respective department and your intern peer group. Department and team-focused projects account for about 80% of your schedule. You'll spend the other 20% on professional development sessions and networking activities, including the Kickoff Conference on May 27th, webinars, community service, cross-functional projects, and final presentations. Internship responsibilities may include * Collaborate with experienced team members to contribute to software development projects * Apply object-oriented programming skills to create efficient and robust code * Gain hands-on experience with Java and contribute to the development of Java-based applications * Perform thorough unit testing for requirements and code coverage * Participate in code reviews * Gain Experience working in DevOps model * Perform analysis/investigation to determine root cause of identified code/data issues * Develop and maintain technical documentation * Participate in continuous performance improvement sessions to discuss opportunities to improve processes or standards Required qualifications * Must be currently enrolled in an accredited College or University graduating with a bachelor's degree between December 2026 - May 2027 * Must have at least a 3.0 GPA or greater in current program * Ability to travel locally to Spectrum intern development events and activities throughout the program * Authorization to work in the U.S. without restrictions or need for future sponsorship Preferred qualifications * Java with Spring framework, * SQL * Linux * Kubernetes * AWS * Splunk and Kafka #LI-AC2 GGN100 2025-61114 2025 Here, our employees don't just have jobs, they're building careers. That's why we offer a comprehensive pay and benefits package that rewards employees for their contributions to our success, supporting all aspects of their well-being at every stage of life. A qualified applicant's criminal history, if any, will be considered in a manner consistent with applicable laws, including local ordinances. Get to Know Us Charter Communications provides superior communication and entertainment products for residential and business customers through the Spectrum brand. Our offerings include Spectrum Internet, TV, Mobile and Voice. Beyond our connectivity solutions, we also provide local news, programming and regional sports via Spectrum Networks and multiscreen advertising solutions via Spectrum Reach. When you join our team, you'll be keeping our customers connected to what matters most in 41 states across the U.S. Watch this video to learn more. Grow Your Career Here We're committed to growing a workforce that reflects the customers and communities we serve - providing opportunities for employment and advancement to all team members. Spectrum is an Equal Opportunity Employer, including job seekers with disabilities and veterans. Learn about Life at Spectrum.
    $30k-51k yearly est. 4d ago
  • DI Software Development Intern

    Pneumatic Scale Angelus

    Software developer internship job in Saint Louis, MO

    About Us: Barry-Wehmiller is a diversified global supplier of engineering consulting and manufacturing technology for the packaging, corrugating, sheeting and paper-converting industries. By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world. : The Software Engineer Intern designs, develops, tests, documents, and maintains software solutions under supervision, adhering to organizational standards, methodologies, and security guidelines. They deliver quality software by effectively tracking tasks, identifying issues, and participating constructively in peer reviews and feedback cycles. This role supports more senior engineers in software design activities, assisting in the creation of application components and user interfaces to meet functional and security requirements. Additionally, the Software Engineer Intern contributes to basic data engineering tasks, including developing simple data pipelines, performing routine ETL processes, maintaining data integrity, and addressing common data quality issues. This role requires foundational problem-solving and analytical abilities, consistent professionalism, clear communication, and a proactive, collaborative mindset. The Software Engineer Intern seeks guidance from senior colleagues, communicates questions effectively, and actively pursues continuous learning and skill development, establishing a strong foundation for ongoing professional growth. Principal Duties and Responsibilities (Essential Functions) Software Development Designs, codes, verifies, tests, documents, amends and refactors complex programs/scripts and integration software services. Applies agreed standards, tools, and security measures to achieve well-engineered outcomes. Participates in reviews of own work and reviews of colleagues' work. Applies continuous integration, deployment and monitoring practices. Software Design Designs and implements software applications, components and modules. Addresses stakeholder concerns to meet both functional and non-functional requirements including security. Reviews, verifies and enhances own designs against specifications and reviews of others' designs. Data Engineering Designs, implements and maintains data engineering solutions to acquire and prepare data. Creates and maintains data pipelines to connect data across data stores, applications and organizations. Business Analysis & Support Investigates straightforward business situations to identify and analyze problems and opportunities. Contributes to the recommendation of improvements. Follows agreed standards and techniques to investigate, analyze and document business situations. Engages and collaborates with stakeholders either independently or under direction. Coaching & Performance Management Provides operational direction, support and guidance to colleagues. Actions feedback from colleagues to improve. Facilitates effective working relationships between team members. Required Education and Experience Pursuing a degree in computer science, STEM or equivalent experience. Exposure to cloud services (e.g. Azure, AWS, etc.). Exposure to containerization (e.g. Docker, k8s, docker compose). Basic experience with TypeScript/JavaScript (i.e. npm, node.js, deno, bun, etc.). Exposure to full stack development or frontend frameworks. (Vue, React, Angular, etc.) Personal Attributes Unquenchable curiosity. Has a strong bias towards action, iterating, and learning from feedback. Consistently holds self and peers accountable for meeting commitments. Enthusiastically learns new technologies and ways of working. Effectively plans, organizes, and prioritizes tasks. Capable of analyzing moderately complex information to resolve clearly defined problems. Clearly conveys information through multiple communication modes, tailored to diverse audience needs. Open to new ideas and proactively seeks clarity. Demonstrates a willingness to experiment, learning from both successes and failures. Supervisory/Responsibility: Role is an individual contributor, with no direct reports. Work Environment: This is an office position at a major USA BW location or remotely based. The employee must be able to correctly wear and use any Personal Protective Equipment (PPE) required by the employer when visiting a manufacturing facility. Position Type: This is a regular, full-time position with the understanding that a regular workweek will require extended days and hours as needed to meet business needs. Travel: Moderate domestic (vendors, user, and customer site visits) and occasional international travel required as part of this role. Physical Demands: The employee sits at a desk and uses a computer for prolonged periods of time. Performing the role frequently uses close vision, speech, hearing, and dexterity to operate office equipment. The team member must occasionally lift and/or move up to 15 pounds. Disclaimer: The above information in this description has been designed to indicate the general nature and level of work performed by employees within this classification. It's not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this job. This job description is subject to change at any time. At Barry-Wehmiller we recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here, please still consider applying. We know that our differences often can bring about innovation, excellence and meaningful work-therefore, people from all backgrounds are encouraged to apply to our positions. Please let us know if you require reasonable accommodations during the interview process. Barry-Wehmiller is an equal opportunity employer. M/F/D/V This organization uses E-Verify. Applicants may be subject to pre-employment screening which may include drug screening, reference checks, employment verifications, background screening and/or skills assessments. Company: BW Corporate US
    $28k-36k yearly est. Auto-Apply 60d+ ago
  • 2026 Summer Internship - Software Development

    St. Louis City Sc 4.3company rating

    Software developer internship job in Saint Louis, MO

    JOB TITLE: Software Development Internship Who CITY is: St. Louis CITY is more than just the newest local MLS soccer team, we have quickly become the heartbeat of St. Louis and are leading the frontier of an emerging cultural renaissance. Join our growing family of 500+ visionaries in a fun and fast-paced work environment that provides unmatched potential for new ideas, personal growth, and immediate impact. Who you are: CITY provides a progressive and supportive workplace that lets YOU be YOU. We value unique experiences and perspectives, and we hire employees who leverage their differences to add value. Feel the impact of your ideas come to life as you join in the thunderous roar of 22,500 impassioned fans at our state-of-the art facility. What CITY does: Join us today in the mission of uniting the St. Louis Region and redefining what it means to be a soccer team. Why This Internship Matters: As part of the Digital Experience Team, you'll contribute to technology that powers: • CITY's award-winning mobile app • Fan engagement tools and live matchday services • Internal operational systems used by staff • Web platforms that shape CITY's digital identity You won't be fetching coffee-you'll be writing real code that ships to real users. If you are passionate about software engineering, sports technology, and building modern digital experiences, we encourage you to apply and help us define what's possible at the intersection of soccer and innovation. SUMMARY: As a Software Development Intern with St. Louis CITY SC's Digital Experience Team, you'll help build the digital products that power our fan experience. You'll work directly with our developers and product team to contribute to real features across web, mobile, and internal tools. Expect hands-on coding, modern frameworks, and meaningful impact-not coffee runs. This position is part of our 2026 Summer Internship Program running from May to August. ESSENTIAL RESPONSIBILITIES: Front-End Development Build and refine web features using React and JavaScript. Translate designs and wireframes into clean, functional UI components. Back-End & API Development Assist in creating and integrating RESTful APIs. Use Python for small services, automation, or data processing tasks. Code Quality & Testing Participate in code reviews and follow Git workflows. Write basic unit/integration tests and help troubleshoot bugs. Agile Collaboration Join standups and sprint activities. Work with designers, PMs, and developers to deliver features on time. Documentation & Learning Help document code and technical decisions. Stay curious-explore new tools and frameworks and bring ideas forward. QUALIFICATIONS: Currently pursuing a degree in Computer Science, Software Engineering, or a related field. Experience with: React, JavaScript / TypeScript, Python, and RESTful APIs Familiarity with Git, debugging, and responsive design. Exposure to Node.js, Express, Flask, or FastAPI, preferred Basic knowledge of cloud environments (AWS, Azure, GCP), preferred Personal or academic projects you can show Strong communication and collaboration Detail-oriented, organized, and eager to learn Passion for technology, problem-solving, and sports is a plus Able to work on-site for a minimum of 20 hours per week starting late May through early August. St. Louis CITY SC is building a team that is passionate about their work, the success of our Club and the growth and revitalization of our region. We desire people who hold themselves and others accountable and are driven by setting new standards for fan engagement. TKFC LC is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
    $28k-34k yearly est. 17d ago
  • Software Engineering Internship - Summer 2026

    Intramotev

    Software developer internship job in Saint Louis, MO

    About Us: At Intramotev, we are dedicated to revolutionizing the freight industry by liberating tons of freight from congested highways, reducing carbon emissions, and enhancing transportation efficiency. We are deploying self-propelled battery-electric railcars and vehicles to transform freight logistics and bring innovation to our rail network. Based in St. Louis, MO, we are committed to promoting industrial revitalization, saving lives, and minimizing the environmental impact of trucking/transportation. We actively foster a work environment for every teammate that's welcoming, respectful and inclusive, with great opportunities for professional growth. Find your future with us. Role Overview: We are seeking a Software Engineering Intern to join the software development team to meet growing demands in the development of self-propelled rail vehicles. This role has a strong software focus, supporting innovative self-propelled capabilities in areas such as embedded software, user experience/user interfaces, back-end servers, computer vision, and control systems. Schedule: This is an internship for summer 2026. It is an hourly role, up to 40 hours/week, in-office position, based in St. Louis, MO. Position Responsibilities: Analyze and translate requirements into system architecture, hardware and software designs, and interface specifications. Test and validate to ensure system designs meet operational and functional requirements. Solve problems concerning and provide other support of fielded hardware and software over the entire product lifecycle. Assist in system development and integration, debugging, and testing on target hardware. Team Dynamics: Work within dynamic teams on diverse projects, typically ranging from small (1-2) to medium (3-10) members. Foster excellent interpersonal and communication skills to thrive in a collaborative environment. Adapt to evolving project objectives and requirements, as the work often involves a research nature and prioritized capability enhancements. Why Join Us Career Growth: Develop your career with a forward-thinking company dedicated to transforming rail technology. Innovative Environment: Contribute to groundbreaking projects that bridge the past and future of rail transport. Impactful Work: Be a key player in creating solutions that promote a more sustainable and efficient rail/mobility network. About You: Basic Qualifications (Required Skills/Experience): Working towards a Bachelor's Degree in Computer Science, Computer Engineering, or a related field (open to students after completing sophomore or junior years of school, as well as graduate students). 1+ years of previous internship, university research, or extra-curricular experience with software development. Experience with C, C++, C#, or another object oriented programming language. Experience with the software development life-cycle, including debugging and testing. Must be legally authorized to work in the U.S. CPT/OPT is supported. Fluent in both written and verbal English. Preferred Qualifications (Desired Skills/Experience): Experience with software version control tools such as git. Coursework related to embedded systems, industrial controls, human/machine interface, or computer vision. Demonstrated experience working on project teams. Experience delivering product(s) to customer(s). Typical Education and Experience: Education/experience typically acquired through advanced technical education (e.g. Bachelor) and typically 1 or more years' related work (internship/cooperative work) or university research project experience. Relocation: This position does not offer relocation. Equal Opportunity Employer Intramotev 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. If you're passionate about software engineering and eager to contribute to autonomous rail technology, we'd love to hear from you!
    $30k-51k yearly est. 60d+ ago
  • Paid Internship -- Software Development (Winter '25/'26)

    Interco

    Software developer internship job in Saint Louis, MO

    Interco is a global metals trading and recycling company headquartered in St. Louis with facilities in Missouri and Illinois. The company buys, sells, and processes nonferrous metals and electronics scrap worldwide utilizing established partnerships with end consumers in the United States, Europe, Latin America, and Asia. ******************* Interco is seeking a Software Development Intern to join a dynamic development team with the responsibility of contributing to the company's Enterprise Resource Planning projects. This position calls for a strong command of frontend technologies as the ideal candidate will have experience using design tools such as Figma and will be working largely with the React framework. The position is full-time and will require the candidate to work on-site Monday through Friday. Qualifications Responsibilities: Translate Figma wireframes into responsive, interactive user interfaces Write clean, maintainable code for web applications using the React framework Proactively document features, design choices, and implementation strategies Collaborate with team members for API integration and to ensure user experiences are in alignment with the company's goals Qualifications: Currently pursuing or recently completed a technical degree Exposure to design tools such as Figma A strong eye for design and attention to detail Experience with React Proficiency with programming languages such as JavaScript, HTML, and CSS Portfolio of personal or professional projects demonstrating proficiency in React Additional Information Compensation: $15 per Hour This Internship does not offer additional benefits About Interco Interco has been recycling computers, batteries, metals, and electronics with a focused track record of innovation and integrity since 1996. The company specializes in the placement of smelter-ready materials catering to commercial, industrial, dealer, and government organizations nationwide. The Interco recycling facilities are separated into three departments: nonferrous metals, computers and electronics, and battery processing. The nonferrous facility is located on the 40-acre main campus in Madison (IL) while the computers and electronics are processed in Edwardsville where the Administrative and some logistics offices are located. The commercial department is located on The Hill in St. Louis. As a matter of company policy, Interco does not sponsor employment visas or hire from outside of the USA, nor does the company sponsor candidates who do not currently reside within the USA without an existing H-1B visa. This is designed to provide a general overview of the requirements of the job and does not entail a comprehensive listing of all activities, duties or responsibilities that will be required. Interco Trading Company reserves the right to modify this job description at any time; including assigning or reassigning job duties or eliminating this position at any time. Candidate information will be kept confidential according to EEO guidelines. Work remotely: No *******************
    $15 hourly 60d+ ago
  • Software Engineer Intern

    Exegy 4.1company rating

    Software developer internship job in Saint Louis, MO

    Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job Summary Exegy is seeking an intern to assist in the design of high-performance data processing applications for the real-time financial data market industry. This is an internship position based in St. Louis, MO. The intern will primarily be tasked with development, design and testing activities. Responsibilities Gain hands-on experience with the full software development lifecycle Demonstrate an ability to learn and adopt relevant new technologies, tools, methods, and processes to leverage in your solutions Maintain software development best practices, including testing, version control, and secure coding practices Apply engineering principles to solve complex problems through sound and creative engineering Use time management skills as you complete software projects in a cooperative team environment Technical Environment: Languages: Python, C, C++, Linux. Tools: Gitlab, Jenkins, Artifactory. Methodology: Jira, Agile, CI/CD. Ideal Candidate: Currently pursuing a degree in computer science, engineering, or a related field. Familiarity with Python, C++, and Linux environments. Strong interest in technology, systems, and hardware/software integration. Excellent problem-solving skills and ability to collaborate in a team-oriented environment. Eager to learn and contribute to technical projects. This internship provides the opportunity to gain valuable experience in high-performance and low-latency technology solutions, in a dynamic and innovative environment.
    $29k-41k yearly est. Auto-Apply 60d+ ago
  • Software Development Engineer in Test

    New Balance 4.8company rating

    Software developer internship job in Saint Louis, MO

    Who We Are: Since 1906, New Balance has empowered people through sport and craftsmanship to create positive change in communities around the world. We innovate fearlessly, guided by our core values and driven by the belief that conventions were meant to be challenged. We foster a culture in which every associate feels welcomed and respected, where leaders and creatives are inspired to shape the world of tomorrow by taking bold action today. JOB MISSION: New Balance is seeking a forward-thinking Senior SDET with a developer's mindset and a passion for AI to lead the next evolution of our global eCommerce test automation platform. This is a unique opportunity for someone who thrives on staying ahead of AI trends and is eager to apply them to modern software quality engineering. You'll drive the transformation of our Selenium and BDD-based test stack into a cutting-edge, AI-augmented platform that supports everything from unit testing to full user journey validation. If you're a builder at heart-excited by the challenge of creating scalable, self-healing, and autonomous testing systems that empower both engineers and developers-this role is for you. MAJOR ACCOUNTABILITIES: Lead the architectural redesign of our test automation platform, transitioning from a legacy Selenium/C# and BDD stack to a modern, intelligent framework. Design, build, and maintain AI-driven test automation platforms that enable reliable, scalable tests across the entire testing pyramid-from unit and integration to full end-to-end user journeys. Implement AI-augmented testing strategies to support autonomous test creation, maintenance, and healing. Integrate visual validation tools such as Applitools Eyes into the automation pipeline. Collaborate cross-functionally with developers, QA engineers, and DevOps to ensure test coverage, reliability, and scalability across global eCommerce sites. Evaluate and integrate open-source and commercial tools that enhance test intelligence, observability, and maintainability. Advocate for testability by partnering with developers and architects to influence solution design. Mentor and guide other SDETs and QA engineers in modern test automation practices and AI-driven testing approaches. Continuously research and prototype emerging AI technologies in the testing space to keep the platform at the forefront of innovation. REQUIREMENTS FOR SUCCESS: 5+ years of experience in test automation, with deep expertise in Selenium and C#. Strong understanding of BDD frameworks (e.g., SpecFlow, Cucumber) and test design principles. Hands-on experience with Selenium extensions such as Healenium, Selenide, or Selenium Grid, with a focus on improving test resilience, scalability, and maintainability. Proven ability to implement self-healing test mechanisms and intelligent locator strategies to reduce flakiness and maintenance overhead. Familiarity with AI-augmented testing strategies (e.g., intelligent test generation, adaptive test execution). Experience integrating Selenium-based frameworks into modern CI/CD pipelines (e.g., Azure DevOps, Jenkins), with AI-driven diagnostics or analytics. Proficiency with visual testing tools like Applitools Eyes. Experience with modern automation frameworks such as TestRigor, Playwright, or Cypress. Exposure to machine learning or NLP concepts applied to software testing. Contributions to open-source testing tools or frameworks. Strong problem-solving, communication, and mentoring skills. St. Louis, MO Only Pay Range: $92,000.00 - $114,250.00 - $136,500.00 Annual (actual base pay varying based upon, but not limited to, relevant experience, time in role, internal equity, geographic location, and more.) Regular Associate Benefits Our products are only as good as the people we hire, so we make sure to hire the best and treat them accordingly. New Balance offers a comprehensive traditional benefits package including three options for medical insurance as well as dental, vision, life insurance and 401K. We also proudly offer a slate of more nontraditional perks - opportunities like online learning and development courses, tuition reimbursement, $100 monthly student loan support and various mentorship programs - that encourage our associates to grow personally as they develop professionally. You'll also enjoy a yearly $1,000 lifestyle reimbursement, 4 weeks of vacations, 12 holidays and generous parental leave, because work-life balance is more than just a buzzword - it's part of our culture. Temporary associates are provided three options for medical insurance as well as dental and vision insurance and an associate discount. Part time associates are provided 401k, short term disability, a yearly $300 lifestyle reimbursement and an associate discount. Flexible Work Schedule For decades we have fostered a unique culture founded on our values with a particular focus on in-person teamwork and collaboration. Our North American hybrid model encourages rich in-person experiences, showcasing our commitment to teamwork and connection, while maintaining flexibility for associates. New Balance Associates currently work in office three days per week (Tuesday, Wednesday, and Thursday). Our offices are fully open, and amenities are available across our North American office locations. To continue our focus on hybrid work we have introduced “Work from Anywhere” (WFA) for four weeks per calendar year. This model will help us enhance our culture while continuing to maintain elements of flexibility. Equal Opportunity Employer New Balance provides equal opportunities for all current and prospective associates to ensure that employment, training, compensation, transfer, promotion and other terms, conditions and privileges of employment are provided without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, age, handicap, genetic information and/or status as an Armed Forces service medal veteran, recently separated veteran, qualified disabled veteran or other protected veteran, or any other protected status.
    $92k-114.3k yearly Auto-Apply 46d ago
  • 2026 Summer Internship - Computer Science

    Civil Design Group Inc. 3.5company rating

    Software developer internship job in Saint Louis, MO

    Civil Design, Inc. (CDI) is a multi-disciplined civil engineering firm offering civil site, structural, land surveying, and GIS services. Since its founding in 1996, our team has grown to over 150 team members with six locations. We operate in three states serving our six service lines - Infrastructure + Analytics, Site, Structures, Survey, Transportation, and Water Resources. We have office locations in Missouri - St. Louis and Jefferson City, Illinois - Collinsville and Effingham and Kentucky - Louisville and Prestonsburg. We are looking for a Computer Science Intern to support our CDI mission in Building Stronger Communities through our Infrastructure + Analytics service. This internship would support our computing programing, data analytics and some GIS projects. Be a part of the CDI Mission: The ideal candidate brings both educational expertise and a people-first mindset-committed to collaboration and making a meaningful difference. CDI values a people-first culture and encourages team members to collaborate with each other and services. Intern Program: With over 15 interns in all six locations, we strive to enhance our program every year, making it even more valuable for our interns. There are 3.5 dedicated days throughout the summer that support intern growth through networking events, industry panels, and career conversations. 100% of our prior interns would recommend a CDI internship to their friends! Job Duties: Under supervision, the intern will assist in computing programming, data analytics, and GIS to support a variety of projects. Requirements Required Skills: Must be a full or part time student seeking a degree in Computer Science, Civil Engineering, or a GIS related field. Desire to solve problems with interest in learning computer programming languages such as JavaScript, C#, and ASP.NET. Development and maintenance of Web applications. Excellent oral and written communication skills. Excellent interpersonal skills with the ability to work in a team environment. Problem solving skills, attention to detail, and willingness to learn new concepts. Desired Skills: · Must be able to work inside for 8 hours day with potential outside field data collection. · Ability to provide 30 to 40 hours per week. Why Join CDI? Shared Ownership: As an ESOP, we offer our full-time team Members a direct stake in CDI's success, empowering them to take initiative and contribute meaningfully. Work with Purpose: You'll engage in meaningful projects aligned with your passions and career goals, ensuring your work has a lasting impact. Collaboration and Celebration: We host frequent company-wide events, giving you the chance to connect and have fun with Team Members across our offices. People-First Culture: We prioritize your growth, well-being, and success, ensuring you have the support and opportunities to thrive both professionally and personally. Our Culture and Beyond: CDI's culture remains foundational to our success as an organization. We believe mutual trust and respect comes first to ensure Team Members feel valued, heard and supported. We strive to unlock a Team Members' full potential through continuous learning and growth, where you are empowered to embrace new challenges and thrive in a collaborative environment. Beyond the office, we're committed to living out our mission of Building Stronger Communities. We offer volunteer time off to encourage team members to give back and make a lasting impact in the community. Check out more about who we are here: *************************************** The anticipated base hourly range for this position is $17-$21/hr. Compensation will vary based upon relevant experience, education, skill level, and other compensable factors.
    $17-21 hourly 22d ago
  • DI Software Development Intern

    Barry-Wehmiller 4.5company rating

    Software developer internship job in Clayton, MO

    About Us: Barry-Wehmiller is a diversified global supplier of engineering consulting and manufacturing technology for the packaging, corrugating, sheeting and paper-converting industries. By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world. : The Software Engineer Intern designs, develops, tests, documents, and maintains software solutions under supervision, adhering to organizational standards, methodologies, and security guidelines. They deliver quality software by effectively tracking tasks, identifying issues, and participating constructively in peer reviews and feedback cycles. This role supports more senior engineers in software design activities, assisting in the creation of application components and user interfaces to meet functional and security requirements. Additionally, the Software Engineer Intern contributes to basic data engineering tasks, including developing simple data pipelines, performing routine ETL processes, maintaining data integrity, and addressing common data quality issues. This role requires foundational problem-solving and analytical abilities, consistent professionalism, clear communication, and a proactive, collaborative mindset. The Software Engineer Intern seeks guidance from senior colleagues, communicates questions effectively, and actively pursues continuous learning and skill development, establishing a strong foundation for ongoing professional growth. Principal Duties and Responsibilities (Essential Functions) Software Development Designs, codes, verifies, tests, documents, amends and refactors complex programs/scripts and integration software services. Applies agreed standards, tools, and security measures to achieve well-engineered outcomes. Participates in reviews of own work and reviews of colleagues' work. Applies continuous integration, deployment and monitoring practices. Software Design Designs and implements software applications, components and modules. Addresses stakeholder concerns to meet both functional and non-functional requirements including security. Reviews, verifies and enhances own designs against specifications and reviews of others' designs. Data Engineering Designs, implements and maintains data engineering solutions to acquire and prepare data. Creates and maintains data pipelines to connect data across data stores, applications and organizations. Business Analysis & Support Investigates straightforward business situations to identify and analyze problems and opportunities. Contributes to the recommendation of improvements. Follows agreed standards and techniques to investigate, analyze and document business situations. Engages and collaborates with stakeholders either independently or under direction. Coaching & Performance Management Provides operational direction, support and guidance to colleagues. Actions feedback from colleagues to improve. Facilitates effective working relationships between team members. Required Education and Experience Pursuing a degree in computer science, STEM or equivalent experience. Exposure to cloud services (e.g. Azure, AWS, etc.). Exposure to containerization (e.g. Docker, k8s, docker compose). Basic experience with TypeScript/JavaScript (i.e. npm, node.js, deno, bun, etc.). Exposure to full stack development or frontend frameworks. (Vue, React, Angular, etc.) Personal Attributes Unquenchable curiosity. Has a strong bias towards action, iterating, and learning from feedback. Consistently holds self and peers accountable for meeting commitments. Enthusiastically learns new technologies and ways of working. Effectively plans, organizes, and prioritizes tasks. Capable of analyzing moderately complex information to resolve clearly defined problems. Clearly conveys information through multiple communication modes, tailored to diverse audience needs. Open to new ideas and proactively seeks clarity. Demonstrates a willingness to experiment, learning from both successes and failures. Supervisory/Responsibility: Role is an individual contributor, with no direct reports. Work Environment: This is an office position at a major USA BW location or remotely based. The employee must be able to correctly wear and use any Personal Protective Equipment (PPE) required by the employer when visiting a manufacturing facility. Position Type: This is a regular, full-time position with the understanding that a regular workweek will require extended days and hours as needed to meet business needs. Travel: Moderate domestic (vendors, user, and customer site visits) and occasional international travel as part of this role. Physical Demands: The employee sits at a desk and uses a computer for prolonged periods of time. Performing the role frequently uses close vision, speech, hearing, and dexterity to operate office equipment. The team member must occasionally lift and/or move up to 15 pounds. Disclaimer: The above information in this description has been designed to indicate the general nature and level of work performed by employees within this classification. It's not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this job. This job description is subject to change at any time. At Barry-Wehmiller we recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If your experience is close to what you see listed here, please still consider applying. We know that our differences often can bring about innovation, excellence and meaningful work-therefore, people from all backgrounds are encouraged to apply to our positions. Please let us know if you require reasonable accommodations during the interview process. Barry-Wehmiller is an equal opportunity employer. M/F/D/V This organization uses E-Verify. Applicants may be subject to pre-employment screening which may include drug screening, reference checks, employment verifications, background screening and/or skills assessments. Company: BW Corporate US
    $26k-32k yearly est. Auto-Apply 60d+ ago
  • Software Development Engineer II

    Mastercard 4.7company rating

    Software developer internship job in OFallon, MO

    Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Development Engineer IIWho is Mastercard? Mastercard is a global technology company in the payments sector. We power payments and provide products and services for individuals and industries all around the world. Our people, technology, data and brand provide the capabilities that drive our success. We believe in connecting people to priceless possibilities. As a company, we know that our success is driven by the skills, experience, integrity and mindset of the talent we hire. By building an inclusive, world-class culture, our employees have once-in-a-career opportunities to be a part of teams that have a greater impact on our community and our world. We invite you to join our team to find out how you too can start something priceless. Program Overview [ CCE] Mastercard's Commercial Solutions team is a rapidly growing organization with responsibilities to deliver innovative solutions to help our customers grow and expand their business. Focused on thinking big and scaling fast around the globe, this dynamic team is responsible for end-to-end solutions for a diverse global customer base. We are seeking a Senior Software Engineer to play a pivotal role in a cross-functional development team within the Commercial Solutions organization. Role: • A hands-on full stack engineer that can code and build high quality secure front end and REST API/backend that is modular, functional, and testable. • Contribute to all parts of the software's development including design, development, test, deployment, support, documentation, configuration • Build performant, scalable and secure web applications. • Follow given directions and procedures in software delivery tasks (code development, test, deployment) • Provide guidance and direction on systems and web application architecture and system design. • Guide and coach less experienced engineers. • Focus on user-centered design and problem solving • Participate and drive design, technical and code reviews. • Implement coding standards and approaches. • Promote an Agile approach to software development. Insist on a culture of continuous integration and delivery, automation and minimizing blast radius. • Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives All About You: • Successfully designed and developed externally facing web applications utilizing modern single page application frameworks. Good knowledge of Spring, Spring Data JPA, REST and other frameworks • Full stack developer with ability to write secure code in backend & frontend programming languages (Java, JavaScript, Angular, SQL) and familiar with secure coding standards and vulnerability management • Possess an understanding of multi-tier web development; including knowledge of server-side technologies and databases. • Passion for improving code quality using approaches such as unit and end to end testing. • Understanding of web application optimizations such as progressive web apps, web workers, browser repaints and reflows, performance and memory optimizations, debugging leaks, caching, flame graphs. • Experience and knowledge of authentication and authorization workflows using concepts like JWT. • Deep knowledge of continuous integration and delivery and toolsets that provide this ability. • Understanding of agile principles and methodologies. • Use and understand Git based source control systems. • Previous experience implementing and complying with ADA and WCAG requirements. • Strong analytical and excellent problem-solving skills Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD
    $92k-147k yearly Auto-Apply 22d ago
  • Associate Software Developer

    Blitt and Gaines PC 3.6company rating

    Software developer internship 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. 1d ago
  • Database Developer

    Procession Systems

    Software developer internship job in Saint Louis, MO

    Start your next chapter with a top industry leader offering competitive benefits and relocation support, we are seeking a skilled and detail-oriented Database Developer with strong expertise in SQL programming and extensive experience working with Oracle Databases. The ideal candidate will design, develop, and maintain robust, scalable database solutions that support critical business operations. You will collaborate closely with analysts, software engineers, and stakeholders to ensure efficient data storage, retrieval, and processing. GENERAL DUTIES: Design, develop, and maintain database solutions using SQL and PL/SQL. Optimize and tune Oracle SQL queries, stored procedures, and indexes for performance. Develop scripts to automate database tasks such as data transformation, import/export, and backups. Create and manage database objects including tables, views, indexes, sequences, and triggers. Collaborate with application developers to support database integration and data-driven applications. Monitor database performance, implement improvements, and troubleshoot database issues. Ensure data security, integrity, and compliance with best practices and organizational standards. Participate in database design reviews, code reviews, and schema updates. Assist in the planning and execution of data migrations and upgrades. REQUIRED QUALIFICATIONS: Bachelor's degree in Computer Science, Information Technology, or related field. 5+ years of experience as a Database Developer or in a similar role. Proficient in SQL and PL/SQL development. Strong experience with Oracle Database (11g/12c/19c). Solid understanding of relational database concepts and data modeling. Experience with performance tuning and query optimization in Oracle. Familiarity with version control tools (e.g., Git) and CI/CD processes. Excellent problem-solving skills and attention to detail. Strong communication and collaboration skills. DESIRED QUALIFICATIONS: Experience with Oracle tools like Oracle SQL Developer, Toad, or OEM. Knowledge of ETL processes and data warehousing concepts. Familiarity with scripting languages (e.g., Python, Shell) for database automation. Exposure to cloud-based database solutions (e.g., Oracle Cloud, AWS RDS, or Azure SQL). CLEARANCE: Top Secret Security clearance with the ability to obtain a Counter-Intelligence Polygraph
    $67k-89k yearly est. 2d ago
  • 2026 Summer Internship - Computer Science

    Civil Design Group Inc. 3.5company rating

    Software developer internship job in Collinsville, IL

    Civil Design, Inc. (CDI) is a multi-disciplined civil engineering firm offering civil site, structural, land surveying, and GIS services. Since its founding in 1996, our team has grown to over 150 team members with six locations. We operate in three states serving our six service lines - Infrastructure + Analytics, Site, Structures, Survey, Transportation, and Water Resources. We have office locations in Missouri - St. Louis and Jefferson City, Illinois - Collinsville and Effingham and Kentucky - Louisville and Prestonsburg. We are looking for a Computer Science Intern to support our CDI mission in Building Stronger Communities through our Infrastructure + Analytics service. This internship would support our computing programing, data analytics and some GIS projects. Be a part of the CDI Mission: The ideal candidate brings both educational expertise and a people-first mindset-committed to collaboration and making a meaningful difference. CDI values a people-first culture and encourages team members to collaborate with each other and services. Intern Program: With over 15 interns in all six locations, we strive to enhance our program every year, making it even more valuable for our interns. There are 3.5 dedicated days throughout the summer that support intern growth through networking events, industry panels, and career conversations. 100% of our prior interns would recommend a CDI internship to their friends! Job Duties: Under supervision, the intern will assist in computing programming, data analytics, and GIS to support a variety of projects. Requirements Required Skills: Must be a full or part time student seeking a degree in Computer Science, Civil Engineering, or a GIS related field. Desire to solve problems with interest in learning computer programming languages such as JavaScript, C#, and ASP.NET. Development and maintenance of Web applications. Excellent oral and written communication skills. Excellent interpersonal skills with the ability to work in a team environment. Problem solving skills, attention to detail, and willingness to learn new concepts. Desired Skills: · Must be able to work inside for 8 hours day with potential outside field data collection. · Ability to provide 30 to 40 hours per week. Why Join CDI? Shared Ownership: As an ESOP, we offer our full-time team Members a direct stake in CDI's success, empowering them to take initiative and contribute meaningfully. Work with Purpose: You'll engage in meaningful projects aligned with your passions and career goals, ensuring your work has a lasting impact. Collaboration and Celebration: We host frequent company-wide events, giving you the chance to connect and have fun with Team Members across our offices. People-First Culture: We prioritize your growth, well-being, and success, ensuring you have the support and opportunities to thrive both professionally and personally. Our Culture and Beyond: CDI's culture remains foundational to our success as an organization. We believe mutual trust and respect comes first to ensure Team Members feel valued, heard and supported. We strive to unlock a Team Members' full potential through continuous learning and growth, where you are empowered to embrace new challenges and thrive in a collaborative environment. Beyond the office, we're committed to living out our mission of Building Stronger Communities. We offer volunteer time off to encourage team members to give back and make a lasting impact in the community. Check out more about who we are here: *************************************** The anticipated base hourly range for this position is $17-$21/hr. Compensation will vary based upon relevant experience, education, skill level, and other compensable factors.
    $17-21 hourly 22d ago

Learn more about software developer internship jobs

How much does a software developer internship earn in Saint Charles, MO?

The average software developer internship in Saint Charles, MO earns between $24,000 and $41,000 annually. This compares to the national average software developer internship range of $30,000 to $48,000.

Average software developer internship salary in Saint Charles, MO

$32,000
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