Senior .net developer jobs in Suitland, MD

MANTECH seeks a motivated, career and customer-oriented Senior CNO Developer to join our team in Annapolis Junction, Maryland. We're looking for a Senior Capability Developer to join our elite team. In this role, you'll apply your deep technical expertise to analyze, reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key player in a fast-paced environment, tackling unique challenges at the intersection of hardware, software, and embedded systems. Responsibilities include but are not limited to: Develop custom software tools and applications using Python, C, and Assembly, focusing on embedded and resource-constrained systems. Conduct rigorous code reviews to ensure the quality, security, and performance of developed software. Reverse engineer complex hardware and software systems to understand their inner workings and identify potential vulnerabilities. Perform in-depth vulnerability research to discover and analyze weaknesses in a variety of targets. Collaborate with a team of skilled engineers to design and implement innovative solutions to challenging technical problems. Minimum Qualifications: Bachelor's degree and 12 years of experience; or, a high school diploma with 16 years of experience; or, an Associate's degree with 14 years of experience. A Master's degree may substitute for 2 years of experience, and a PhD may substitute for 4 years of experience. Must have 7 years of position-relevant work experience Proficiency in programming and application development. Strong scripting skills, particularly in Python, C, and Assembly. Deep expertise in managing, configuring, and troubleshooting Linux. Experience in embedded systems. Experience in reverse engineering and vulnerability research of hardware and software. Experience in code review. Preferred Qualifications: Experience in CNO (Computer Network Operations) Development. Experience in virtualization. Knowledge of IoT (Internet of Things) devices. Experience with Linux Kernel development and sockets. Knowledge of integrating security tools into the CI/CD (Continuous Integration/Continuous Delivery) pipeline. Networking skills. Clearance Requirements: Must have a current/active Top Secret/SCI clearance. Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations

We are actively interviewing for the following developer opportunity on a growing team. If Interested please apply now We are seeking an Application & Automation Developer to join our growing Application Development & Automation team. This is a hands-on development role focused on building scalable, modern, and cloud-native applications to support our enterprise initiatives. You'll work across both full-code and low-code platforms, contributing to the modernization of internal tools, workflow automation, and integration of business systems. Ideal candidates will bring 3 years of experience, strong technical skills in both front-end and back-end development, and a passion for innovation and continuous improvement. You'll collaborate closely with other developers, analysts, and architects to bring ideas from concept to reality. Key Responsibilities Design, develop, and maintain applications using C#, .NET Core/.NET 8+, and Azure cloud services Build RESTful APIs and Azure Function Apps to support event-driven workflows and integrations Implement secure and scalable microservices using clean architecture and object-oriented design principles Develop user interfaces using Angular, React, or other modern frameworks for responsive and intuitive experiences Collaborate with senior engineers and architects to implement microservices and scalable cloud-native architectures Support CI/CD pipelines and deployment processes using Azure DevOps Write clean, testable, and well-documented code following OOP, SOLID, and clean architecture principles Troubleshoot application and integration issues, perform root cause analysis, and implement fixes Assist in refactoring and modernizing legacy applications to align with current standards Participate in code reviews, daily stand-ups, sprint planning, and other Agile ceremonies Contribute to knowledge sharing, documentation, and continuous improvement effort Required Qualifications 3 years of hands-on experience in application development Proficiency in C#, .NET Core/.NET 6+, and OOP principles Experience with Azure Functions, Azure DevOps, and cloud-native development Familiarity with front-end technologies like Angular, React, or similar frameworks Strong understanding of relational databases, SQL, and ORM frameworks (EF Core, Dapper) Knowledge of RESTful API design, authentication protocols (OAuth, Azure AD), and secure coding practices Experience with Git, Agile methodologies, and collaboration tools like Jira and Confluence Strong troubleshooting, debugging, and communication skills Preferred Qualifications Experience with event-driven architecture (EDA), domain-driven design (DDD), and microservices Exposure to Azure SQL, Azure Storage Accounts, Azure Event Grid, and Azure Monitor Familiarity with Microsoft Graph API, SharePoint, and Azure Document Intelligence Interest or experience in workflow automation and low-code platforms (e.g., Power Platform, Appian)

Title: Python Application Developer Duration: 12 months Key Responsibilities: 1. Python Development: Design, develop, and maintain Python-based applications and tools. Write clean, efficient, and reusable code while adhering to best practices. Integrate third-party APIs and libraries as needed. Perform code reviews, testing, debugging, and optimization. 2. Generative AI Development: Develop and fine-tune generative AI models using frameworks like TensorFlow, PyTorch, or Hugging Face. Implement machine learning algorithms and deploy AI-powered solutions for specific business requirements. Research and experiment with state-of-the-art generative AI techniques (e.g., GPT, Stable Diffusion, Transformers). Build custom AI models and pipelines to address domain-specific challenges. 3. Collaboration: Work closely with data scientists, engineers, and stakeholders to understand project requirements and deliver solutions. Collaborate with UI/UX teams to integrate AI models into applications. Participate in Agile workflows, including daily stand-ups, sprint planning, and retrospectives. 4. Deployment & Maintenance: Deploy AI solutions on cloud platforms like AWS, Azure, or Google Cloud. Monitor system performance and optimize scalability and reliability. Troubleshoot issues in production and implement fixes. 5. Documentation: Create comprehensive documentation for AI models, tools, and code. Provide guidelines for users and teams for seamless integration and usage. 6. L3 Support: Investigate, diagnose, and resolve advanced issues related to GenAI solutions, Python applications, and AWS infrastructure. Provide root cause analysis (RCA) for production incidents and ensure quick turnaround for issue resolution. Collaborate with L1/L2 teams and developers to troubleshoot and resolve complex problems. Development and Automation: Develop, test, and deploy Python-based scripts, applications, and workflows. Automate routine tasks and implement monitoring tools to ensure system reliability. AWS Cloud Management: Design, implement, and maintain cloud-native solutions on AWS (e.g., Lambda, S3, EC2, SageMaker, EMR, Redshift etc.). Optimize AWS services for cost efficiency and performance. Required Skills and Qualifications Technical Skills: Strong proficiency in Python programming and frameworks (e.g., Flask, FastAPI, Django). Hands-on experience with AWS services (e.g., Lambda, S3, EC2, IAM, CloudFormation). Experience with GenAI tools (e.g., OpenAI, Hugging Face, or custom LLMs). Knowledge of DevOps tools like Docker, Kubernetes, and CI/CD pipelines. Familiarity with RESTful APIs and integration of AI/ML solutions. Strong debugging and problem-solving skills in production environments. Soft Skills: Excellent communication and collaboration skills. Ability to work in a fast-paced environment and manage competing priorities. Education and Experience: Bachelor's degree in Computer Science, Engineering, or a related field. 10+ years of experience in software development, with 5+ years in AWS and AI/ML technologies. Preferred Skills: Certification in AWS (e.g., AWS Certified Solutions Architect or Developer). Certification in AI/ML or cloud technologies (e.g., AWS Certified Machine Learning). “Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of - Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.”

Remote: No Gridiron IT is seeking a Application Developer to support a federal program in Springfield or Herndon, VA. Build and maintain web applications and APIs with geospatial data processing capabilities Develop data pipelines and integration workflows to transform and deliver spatial information Collaborate with cross-functional teams to implement features, optimize performance, and deploy applications Required Skills: TS/SCI with CI Poly required with current Customer eligibility and SBU/SECNet/COE accounts Must be willing to work in SCIF daily or as needed Must have at least 7 years of application development experience Proficient in Python with modern frameworks Experience with geospatial libraries and spatial databases Understanding of coordinate systems, projections, and geospatial file formats Experience with API documentation and authentication Ability to integrate third-party APIs and handle data transformations Experience with Python testing frameworks and best practices Familiarity with version control (Git) and CI/CD concepts Knowledge of vector and raster data processing techniques Preferred Qualifications: 3+ years of MLOps and ML pipeline automation Experience with ML workflow orchestration (Kubeflow, MLflow, Airflow) Automated model retraining and deployment pipelines ML experiment tracking and model registry management Advanced containerization and orchestration for ML workloads Docker optimization for ML inference containers Kubernetes/EKS experience for ML workload management GPU resource management and optimization Database and data pipeline expertise Feature store implementation and management Real-time feature serving and batch processing pipelines Performance optimization for ML data workflows Monitoring and observability for ML systems Model drift detection and data quality monitoring Custom metrics for ML-specific KPIs (inference latency, model accuracy) Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. Compensation and Benefits Salary Range: $180,000-$250,000 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.) Benefits: Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in Gridiron's benefits programs. Gridiron IT Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status. Gridiron IT is a Women Owned Small Business (WOSB) headquartered in the Washington, D.C. area that supports our clients' missions throughout the United States. Gridiron IT specializes in providing comprehensive IT services tailored to meet the needs of federal agencies. Our capabilities include IT Infrastructure & Cloud Services, Cyber Security, Software Integration & Development, Data Solution & AI, and Enterprise Applications. These capabilities are backed by Gridiron IT's experienced workforce and our commitment to ensuring we meet and exceed our clients' expectations.

Immediate need for a talented Java/J2EE developer. This is a 06 Months contract opportunity with long-term potential and is located in Mclean, VA (onsite). Please review the job description below and contact me ASAP if you are interested. Job Diva ID: 25-94509 Pay Range: 60$ - 65$ /hour. Employee benefits include, but are not limited to, health insurance (medical, dental, vision), 401(k) plan, and paid sick leave (depending on work location). Key Responsibilities: As a Development Professional influencing outcome, you are thrilled to get into all parts of the code, as well as implement it. The individual is expected to work under limited direction and independently determine and develop approaches to solution. Understand requirements and design for the build and deployment of enterprise applications. You know the modern approaches as well as where the landmines are. You will be responsible for interfacing and influencing with the business lines as well as others across IT and will utilize your strong communications skills to do this successfully. Collaborate with our support teams and determine and provide inputs for effort estimation. You will be a mentor to the team, driving full (and accurate) adoption of modern software engineering and delivery practices (Real Agile, Stateless Design, Microservices, Containerization, etc.) Key Requirements and Technology Experience: Key Skills; Java backend , Spring Boot, Unix Shell Scripting Bachelor's degree in Computer Science or Engineering, or equivalent experience; advanced studies/degree preferred. 5 years of experience in delivering solutions using SDLC and 2-3 years of experience working in modernized development teams. 2 years' experience working with complex SQL queries and Unix environment Takes accountability, sets expectations, and delivers high quality technical solutions Ability to quickly comprehend the functions and capabilities of new technologies Derive excitement and thrive in a fast-paced and constantly evolving culture Outstanding interpersonal, technical, and organizational skills Passion for driving value to customers and excitement for modern digital processes (Agile) and delivery Our client is a leading Financial Industry and we are currently interviewing to fill this and other similar contract positions. If you are interested in this position, please apply online for immediate consideration. Pyramid Consulting, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. By applying to our jobs you agree to receive calls, AI-generated calls, text messages, or emails from Pyramid Consulting, Inc. and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here.

We are seeking a Senior Cloud Application Developer to join a high-performing team on a 10+ month contract. Candidates must be authorized to work in the United States. The ideal candidate is highly skilled in Python, AWS services, Kubernetes, and Airflow, with a strong background in building and deploying cloud-native applications. ***PLEASE NOTE: WE ARE NOT ACCEPTING APPLICATIONS FROM THIRD-PARTY AGENCIES FOR THIS ROLE. Key Responsibilities: Optimize a scalable, reliable, and secure AWS native cloud system Refine infrastructure configuration as IaC using Terraform Help produce and capture operational metrics from logs, API's, and various cloud sources Refine CI/CD/CT pipelines to build, deploy, and test native cloud application code Experience, Skills & Qualifications: Education: Bachelor's degree in Computer Science, Engineering, Software Engineering or a relevant field with a minimum of 8 years working experience in an AWS Cloud environment required for a senior level position. Expertise in cloud-native application development, and cloud infrastructure management. Expertise in containerization and Kubernetes In-depth knowledge of AWS services (EKS, EC2, Lambda, RDS, S3) Strong experience of workflow managers (Airflow) Strong experience with AWS and proficiency in Python, BASH, and IaC tools like Terraform Strong experience with relational and cloud-based databases Strong experience in building automation tools and CI/CD/CT pipelines using platforms like Ansible, GitHub Actions, GitLab CI, and CodePipeline

At Ascyndent we believe Digital transformation is all about leveraging information and technology to enhance the human experience. It is also about transformative execution. Our teams bring business visions and strategies into reality leveraging technology capabilities. Our consultants leverage innovative capabilities and deep domain expertise to develop short and long-term strategies aligned with your enterprise goals, skill requirements and technology platforms. As an experienced member of our team, we look first and foremost for people who are passionate around solving business problems through innovation and engineering practices. We embrace a culture of experimentation and constantly strive for improvement and learning. You'll work in a collaborative, trusting, thought-provoking environment-one that encourages diversity of thought and creative solutions that are in the best interests of our customers globally. This job is for you if… You're interested in a meaningful job at a growing technology company where you'll work with a variety of technology solutions and be appreciated for doing your job well. You want to help shape the future of emerging technology. You enjoy collaborating with highly skilled professionals with a passion for selling. You want to join a culture that embraces dynamic individuals with a focus on innovation. A day in the life… Develop scalable software solutions based on detailed business requirements and supported technology architecture. Actively engage in development activities associated with developing new solutions and refining current solutions. Mentor & coach new and experienced software developers. Demonstrate success in software project delivery, experience driving technical efforts, and experience with a variety of development tools and technologies. Possess technical depth and applied experience in multi-layer solution development, performance tuning, solution debugging, incident triage/remediation, and usability improvement. Ability to demonstrate adaptive experience while quickly gaining technical situational depth, quantifying impact assessment, triage & root cause analysis, defining remediation options, and providing declarative technical recommendations. Collaboratively engage team members and leaders. Identify and remediate software solutions to address code quality, security, framework development, and software usability refinement. Proven experience augmenting build/release automation solutions to include unit testing, code quality scanning, security scanning, and dependency management. Proficiency in build/release automation solutions. Demonstrate strong written and verbal communication skills. Expertise in crafting and communicating solution and strategic technical proposals What we are looking for… Required 5+ years of hands on AWS development experience using Python, Java, Node.js, lambda service and scripting. 5+ years of work experience with AWS code pipeline, AWS deployment automation, AWS Service Catalog. Develop AWS deployment automation services for various security related applications and tools. Design, build, test, deploy and support deployment of tools in AWS. 6+ years of programming experience with Angular and Java, J2EE, XML, and Web Services 6+ years of experiences in full life cycle application/system development 4+ years of experience developing in distributed application environments (Database, Transaction Management) 4+ years of experience writing conceptual and detailed design documents, and developing large scale enterprise applications following an Agile execution model Strong Development/programming experience in Java, AWS and Angular is must 2-3+ years of strong Angular and Java, J2EE experience 1-2 years of Experience/knowledge of AWS development What you'll Love Working Here… A career with a company where you will be challenged, respected, and valued. The people here do their jobs well, care about one another, care about our customers and exercise good ethics and judgement. Our team members health and wellness are our priority as well as rewarding them for their hard work. Be a part of a team that values creative solutioning with peers and one that honors experimentation and sharing. Be trusted to make decisions that are in the best interests of our clients and our business. We think and act like owners. We care - and that makes all the difference Results fuel our excitement, and we know how our personal accomplishments tie to the success of the company We are courageous and take risks that scare us. Our enthusiasm for experimenting is how we will find the next breakthrough

Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead Software Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. What You'll Do: Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor's Degree At least 4 years of experience in software engineering (Internship experience does not apply) At least 1 year experience with cloud computing (AWS, Microsoft Azure, Google Cloud) Preferred Qualifications: Master's Degree 7+ years of experience in at least one of the following: JavaScript, Java, TypeScript, Node, Python, or Go 3+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer). The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked. McLean, VA: $193,400 - $220,700 for Lead Software Engineer Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan. Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at the Capital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level. This role is expected to accept applications for a minimum of 5 business days.No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City's Fair Chance Act; Philadelphia's Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at ************** or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. For technical support or questions about Capital One's recruiting process, please send an email to ********************** Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Que Technology Group is seeking a Senior Software Engineer to work with a team of developers to implement new capabilities in support of the current classification marking tool and the tool to be used to support M365 web based applications. The position involves full life cycle design, development, testing, and documentation of policy-driven software across multiple fabrics. The focus will include the extension and customization of tools used for classification string validation and comparison for access control. Job responsibilities include, but are not limited to: Willingness to mentor junior developers Play role in Introducing and incorporating software development best practices into team's development process Collaborate with junior developers to improve their knowledge and experience with development standards and best practices Administer, maintain and implement policies and procedures for ensuring the security and integrity of the application Foster open communication and collaboration Gather, analyze, and capture customer requirements Assist in the development of requirements for new features and fix defects Create and expand unit tests and end to end testing Evaluate, troubleshoot and fix defects Define new features Triage user issues and provide Tier 3 customer support Test and evaluate new software releases and merge requests Experience engaging leadership, customers and interfacing with teams Strong time management and organizational skills Required Qualifications: Eight years of Software Engineering experience Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 12 years. At least three (3) years of work experience in the SIGINT, IA, or IT domains Preferred Qualifications: Proficient in JavaScript Proficient in working with Git Experience actively participating in code reviews Experience Analyzing system requirements, the concept of operations, and high-level system architecture to develop requirements specifications Experience with requirements elicitation. Security Clearance: TS/SCI clearance with polygraph BENEFITS: Competitive salary Company Medical/Dental/Vision plans - Company paid Short-term Disability, Long-term disability and Life Insurance - Company paid Business/ First Class travel upgrade for 7 hour or longer flights & company card will be provided for expenses Vacation / Personal days granted at 25 days per year Paid Federal Holidays - 11 days $5,000 Annual Professional Development Fund plus 40 paid hours if in class 401K with 6% company match; all contributions are immediately vested by Employee Employee will be paid a bonus of $10,000 per employee hired based on their referral Up to 3 paid Code Red days due to customer closure Que Technology Group, Inc., is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

The Senior Palantir Foundry Developer will design, develop, and deploy advanced data integration and analytics solutions using the Palantir Foundry platform. This role requires deep technical expertise in Foundry's ecosystem, strong data engineering skills, and the ability to translate complex business requirements into scalable, secure, and performant solutions. The developer will also mentor junior team members and collaborate with cross-functional stakeholders to deliver impactful data-driven applications. Skills: Solution Design & Development: Build and optimize data pipelines, Ontology models, and Foundry applications (Workshop, Contour, Quiver, Slate). Develop custom workflows and dashboards using Foundry's suite of tools. Data Integration & Transformation: Implement robust ingestion strategies for structured and unstructured data. Apply PySpark, SQL, and Foundry transformations for data cleansing and enrichment. Application Development: Create operational workflows and user-facing applications within Foundry. Integrate Foundry with cloud services (AWS, Azure, GCP) and external APIs. Governance & Security: Ensure compliance with data governance, lineage, and security standards (RBAC, encryption). Technical Leadership: Act as a subject matter expert for Palantir Foundry. Provide mentorship and enforce best practices in development and deployment. Innovation: Explore and implement GenAI/LLM capabilities within Palantir AIP for advanced analytics. Stay updated on Foundry features and drive adoption of new functionalities.

We are looking for an experienced Senior Java Developer with strong coding skills. The ideal candidate will have a robust background in java development, API's, and proficiency in Microservices. RESPONSIBILITIES: Spearhead the development of innovative and high-impact initiatives, ensuring alignment with project goals and business objectives. Develop within system architecture, focusing on scalability, reliability, and maintainability. Utilize AWS services and Microservices architecture to build robust and efficient solutions. QUALIFICATIONS: Strong hands-on development experience with Java. API/integration experience. Proficient in developing within a Microservices environment. Solid understanding of Agile methodologies and practices. Please apply, if interested!

The candidate must have experience with both Java and Python, in addition to PowerShell and AI/ML tools. Must Have Qualifications: Python and Java development, strong understanding of design and explain and educate developers. Key Responsibilities: Design and implement developer workspaces using physical, virtualized, or browser-based solutions. Develop tools primarily in Python and Java to enhance developer workflows. Advocate for and implement CI/CD improvements through new tooling and commonly available libraries. Create patterns to manage desktop provisioning and software package management using SCCM, VDI, or similar technologies. Lead initiatives to integrate Generative AI capabilities into Developer workflows, enhancing the value proposition for customers. Partner with end-user collaboration suites to create seamless developer experiences. Ensure all solutions meet audit, risk, and governance requirements. Evangelize best practices and solutions within the developer community.

Java developer Note- Ex-Capital One Preferred JD- We are looking for Java developer with Angular, AWS (Backend Java, Node)

Clearance Required: Top Secret/SCI with Polygraph Seeking an experienced Software Engineer who will support mission-critical systems for a Federal customer at Fort Meade, Maryland. This entry-level role focuses on developing and maintaining Java-based applications in a secure environment. The engineer will work closely with senior developers and system engineers to deliver reliable and scalable software solutions. Key Responsibilities · Design, develop, test, and maintain Java applications. · Participate in software development lifecycle activities including requirements analysis and design. · Write clean, efficient, and well-documented code. · Collaborate with cross-functional teams to troubleshoot and resolve issues. · Support integration and deployment of software in secure environments. Qualifications Education: Bachelor's degree in Computer Science, Software Engineering, or related field. Experience: 4+ years of experience in software development, preferably in Java. Preference: Java certification or relevant coursework preferred. Skills: · Proficiency in Java programming language. · Understanding of object-oriented design and development. · Familiarity with development tools such as Eclipse or IntelliJ. · Basic knowledge of secure coding practices and federal IT standards.

10+ years of experience in Design and Development of applications using Java 8+/J2EE, Spring, Spring-Boot, RESTful Services and UI Framework • Should have exp in Leading a team. • 5+ years of experience in design and development of Microservice using Spring-Boot and REST API • Strong knowledge/experience in ORM Framework - JPA / Hibernate • Good knowledge and experience in Docker and Kubernetes • 2+ years of experience in Angular • 1+ years of experience in designing and Implementing cloud-based solutions in various AWS Services (EC2, IAM, S3, Lambda, etc) • Good knowledge and experience in any RDBMS/PostgreSQL • Strong experience in DevOps tool chain (Jenkins, Artifactory, Maven/Gradle, GIT/BitBucket) • Good knowledge in technical concepts - Security, Transaction, Monitoring, Performance

Building Automation Systems (BAS) Programmer Employment Type: Full-Time At Vertical Mechanical Group (VMG), we're always seeking talented individuals to join our growing team. Our commitment to exceptional customer service and innovative solutions drives our success and fuels continuous expansion. We're excited to offer opportunities for motivated professionals who are ready to elevate their careers. When you join VMG, you become part of a close-knit, supportive team that values both its employees and clients. Here, your growth powers our success. About the Role VMG is seeking a motivated and technically skilled Building Automation Systems (BAS) Programmer to support our growing Controls Division. This role is ideal for individuals with a strong foundation in BAS programming who are ready to take on new challenges and contribute to a variety of projects. You will be responsible for programming and commissioning building automation and HVAC control systems across commercial projects while supporting the team and continuing to develop your technical expertise and leadership skills. Key Responsibilities Program, configure, and commission BAS and HVAC control systems using Niagara AX/N4 and Edge controllers. Provide point-to-point checkout, verify system functionality, and ensure alignment with project sequences of operation. Integrate and control HVAC systems including VAV, VRF, DOAS, and hydronic systems (e.g., cooling towers, open/closed loops). Collaborate with third-party commissioning agents and support functional performance testing. Manage network communication and device integration across building systems. Interpret and work from mechanical drawings, risers, and control schematics. Provide training and support to coworkers and clients and help upskill team members as needed. Identify issues and offer independent solutions for technical and on-site challenges. Perform updates, troubleshooting, and commissioning tasks with minimal oversight. Contribute to a positive, collaborative team environment while being capable of working independently. Qualifications 5-7 years of hands-on experience in the Building Automation field. Strong experience with the Niagara platform (AX and/or N4; N4 preferred) and Edge controllers. Solid understanding of HVAC equipment and control system functionality, including: Single-zone and VAV systems VRF/DOAS integration Hydronic systems and cooling tower applications Network management and system integration Proficient in interpreting technical prints, wiring diagrams, and control schematics. Strong troubleshooting skills and an independent, solutions-driven mindset. Working knowledge of low-voltage theory and its application in BAS environments. Excellent communication skills and ability to support peers in a mentoring or collaborative capacity. Compensation & Benefits Base Salary: $90,000 - $110,000 per year (dependent on experience and qualifications). Additional earning potential through performance-based reviews after proven success. Comprehensive benefits package including medical, dental, vision, 401(k), and paid time off. Opportunities for professional development and advancement within the Controls team. Supportive, collaborative, and forward-thinking work environment. How to Apply If you're ready to grow your career in BAS programming and thrive in a company that values innovation, expertise, and employee success, we want to hear from you. Please submit your resume outlining your experience and qualifications for this role. Vertical Mechanical Group is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Note: VMG participates in a drug testing program. All candidates are required to submit to a drug test as a condition of employment.

Required Technical Skills (Required) Strong design and development skills in two or more of the following technologies and tools: Java (3-5 years) Cucumber(3-5 years), JBehave or other BDD testing frameworks At least 8 years of test automation framework design Strong experience in testing Webservices (REST APIs) (3+5 years) Proven experience developing test scripts, test cases, and test data The ability to write queries in SQL or other relational databases 3+ years of experience in developing scenario based performance testing using JMeter Experience testing full stack and integration testing with 3rd parties End-to-end system integration testing experience for software platforms (Desired) Hands on experience with Python development experience in AWS Cloud technology Experience in TDD, continuous integration, code review practice is strongly desired Experience with Apigee or other API gateways is a plus Experience with DevOps concepts and tools (e.g., CI/CD, Jenkins, Git) At least 2 years working on an Agile team with a solid understanding of Agile/Lean practices. Understanding of a micro service Architecture Experience load and performance testing Strong documentation skills

Sr. Front End Developer Angular 14 or later, JavaScript, CMS, Bloomreach, GitHub, understanding of end-to-end test and unit test Call Notes: Team Info: Card Tech: DFS Integration project Building from scratch, complete acquisition exp on the Client Role Info: Hands-on Sr. Angular Developer roles with strong Angular 14, JavaScript, Bloomreach, & GitHub background Frontend development with Angular End-to-end testing Top Skills: Angular 14 Or higher version exp is a must JavaScript exp is a must Bloomreach, & GitHub exp is a must Nice to have: Adobe Target skills Strong communication & teamwork

REI Systems' mission is to deliver reliable and innovative technology solutions that empower federal, state, local, and nonprofit organizations to achieve their missions. For over 35 years, we've helped our customers solve complex challenges, make data-driven decisions, streamline processes, and improve citizen services. As a 100% employee-owned company, we are all directly invested in delivering excellence. With a fierce commitment to mission impact, we ensure measurable outcomes that align with our customers' strategic goals. REI is also leading the industry in the integration of Artificial Intelligence across federal capture, delivery, and customer engagement. We leverage AI-driven research, opportunity intelligence, competitive assessments, and customer insight tools to elevate our win strategies and accelerate decision-making. This role will work in an environment where AI is embedded into the capture lifecycle-and will be expected to use AI tools to enhance capture quality, speed, and precision. We offer the same commitment to our employees by providing professional development, meaningful projects, and flexibility to spend time with family and friends. We believe employees are at their best when fulfilled in both their professional careers and their personal lives. Learn more at ******************* Employees voted REI Systems a Washington Post Top Workplace in 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024, and 2025! Position Overview: REI Systems is seeking a Mid Level Software Engineer to join our dynamic team. The successful candidate will play a key role in designing, developing, and modernizing large-scale enterprise applications using modern technologies and Agile methodologies. This position requires hands-on technical expertise with strong Java development Stack work. Responsibilties: As a core member of an Agile team, this role participates in planning, analysis, design, development, and testing activities while collaborating closely with REI technical leads on design, coding, code reviews, and testing to support enterprise system modernization. The position works with cross-functional teams to ensure seamless integration of new development with existing systems and is responsible for designing and building web and microservice-based applications using JSON, REST APIs, and HTTP protocols. It involves deploying and maintaining applications on platforms such as JBoss EAP and Apache Tomcat, implementing test-driven development, and automating unit and integration tests within a CI/CD environment. The role uses Git or SVN for version control, develops responsive front-end interfaces with HTML5, CSS3, and modern JavaScript, and applies object-oriented programming and software design principles to produce clean, maintainable code. Additional responsibilities include contributing to Agile ceremonies, leveraging tools like GitLab and Rally, developing effort estimates and implementation timelines, utilizing Docker and Kubernetes for containerization and cloud deployment in government-authorized environments, and maintaining expertise in CI/CD pipelines, automated testing, and code versioning. Required Qualifications 5+ years of hands-on experience across the full software development lifecycle, primarily within the Java Development Stack (Java/Enterprise Java, Spring Framework, Spring Boot, REST, JSON, XML, JPA, Hibernate, SQL, JavaScript, Angular). Expert-level proficiency in Java/J2EE programming for enterprise-scale applications. 5+ years of full-stack development experience using Java, Web Services (REST/SOAP), JavaScript frameworks (jQuery, React, or Angular), Spring, and Hibernate. Proven experience developing enterprise-grade web applications using Java EE, XML, and Web Services. Experience with relational databases, including Oracle and MySQL. Hands-on experience with AWS Cloud (Preferred). Strong understanding of modern web architecture, SOA, microservices, mobile development, DevOps, and Agile methodologies. Experience with cloud technologies and low-code/no-code development platforms is a plus. Excellent troubleshooting, debugging, and multi-tasking abilities. Strong communication and interpersonal skills, with experience working directly with customers. Education and Certification Bachelor's degree in Information Systems, Computer Science, or related field (or equivalent combination of education, training, and experience). AWS Certification (Nice to have). Clearance Requirement: Eligible to obtain a public trust clearance. Location: Hybrid (1 Day per week in our Sterling, VA HQ) EEO Statement: REI Systems is an Equal Opportunity Employer. In our workplace, we seek, we welcome, and respect diversity in all of its forms.