Senior Software Engineer / Data Scientist (Training Systems) LeidosSenior Software Engineer / Data Scientist (Training Systems)Chantilly, Virginia$154,050–$278,475 / yearBachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
Full Stack Developer ECS Federal LLCFull Stack DeveloperWashington, DCThis role will entail working closely with the client to understand needs and pain points as well as designing, configuring, and implementing technical solutions across a range of programming languages, cloud platforms, and supporting infrastructure. Design, build and maintain scalable back-end services and APIs, ensuring reliable data flow, security, and performance.
Software Engineer III Textron IncSoftware Engineer IIIChantilly, VA$115,800–$176,200 / yearBenefits may include health insurance and prescription plan coverage, dental insurance, family building benefits, vision insurance, mental health resources, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and programs that provide employees time away from work. Recruiting Company: Textron Systems Primary Location: US-Virginia-Chantilly Job Function: Engineering Schedule: Full-time Job Level: Individual Contributor Job Type: Experienced Shift: First Shift Travel: Yes, 10 % of the Time Job Posting: 06/25/2026, 2:19:28 PM Job Number: 343407.
Senior .NET Software Engineer #1821117 Network Design IncSenior .NET Software Engineer #1821117Alexandria, VANET Software Engineer will serve as a technical leader by promoting software engineering best practices, participating in technical design and code reviews, mentoring junior developers, and collaborating with Scrum teams, architects, testers, and business stakeholders to deliver high-quality enterprise applications supporting mission-critical federal systems. Participate in all phases of the Software Development Life Cycle (SDLC), including requirements analysis, technical design, coding, unit testing, integration testing, deployment, production support, and ongoing maintenance.
Cloud Software Engineer Level 3 AI/ML TS/SCI w Poly Peraton IncCloud Software Engineer Level 3 AI/ML TS/SCI w PolyLaurel, MD$135,000–$216,000 / yearExperience developing and deploying: analytics that include foreign language processing; analytic processes that incorporate/integrate multi-media technologies, including speech, text, image and video exploitation; analytics that function on massive data sets, for example, more than a billion rows or larger than 10 Petabytes; analytics that employ semantic relationships (i.e., inference engines) between structured and unstructured data sets; analytics that identify latent patterns between elements of massive data sets, for example more than a billion rows or larger than 10 Petabytes; analytics that employ techniques commonly associated with Artificial Intelligence, for example genetic algorithms. Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.
Cloud Software Engineer Level 2 - AI/ML TS/SCI w/Poly Peraton IncCloud Software Engineer Level 2 - AI/ML TS/SCI w/PolyLaurel, MD$135,000–$216,000 / yearBenefits: Peraton offers enhanced benefits to employees working on our critical programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligibility to participate in an attractive bonus plan. The Cloud Software Engineer Level 2 Engineer provides cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, enhancement, sustainment, testing, validation, and issue diagnosis/resolution.
Cloud Software Engineer - AI/ML Project Top Secret/SCI w/Poly Peraton IncCloud Software Engineer - AI/ML Project Top Secret/SCI w/PolyLaurel, MD$104,000–$166,000 / yearBenefits: Peraton offers enhanced benefits to employees working on our critical programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligibility to participate in an attractive bonus plan. The Cloud Software Engineer Level 1 Engineer provides cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, enhancement, sustainment, testing, validation, and issue diagnosis/resolution.
Cloud Software Engineer AI/ML Project Top Secret/SCI w/Poly Peraton IncCloud Software Engineer AI/ML Project Top Secret/SCI w/PolyLaurel, MD$146,000–$234,000 / yearBenefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. The Cloud Software Engineer Level 1 Engineer provides cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, enhancement, sustainment, testing, validation, and issue diagnosis/resolution.
Forward Deployed Software Engineer - Tactical Edge Palantir Technologies IncForward Deployed Software Engineer - Tactical EdgeWashington, DC$135,000–$200,000 / yearYour day might span debugging infrastructure, networking, application issues, discussing architecture with fellow engineers, collaborating with developers to improve the Palantir product offering, speaking with customer executives, or establishing strategy for your team. Forward Deployed Software Engineers (FDSEs) work directly with customers to quickly understand their greatest problems and design and implement solutions to use data against them.
Cloud Software Engineer Level 2 AI/ML TS/SCI w/Poly Peraton IncCloud Software Engineer Level 2 AI/ML TS/SCI w/PolyLaurel, MD$146,000–$234,000 / yearBenefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. The Cloud Software Engineer Level 2 Engineer provides cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, enhancement, sustainment, testing, validation, and issue diagnosis/resolution.
Ground Software Engineer (Mid Career) - Millennium Space Systems BoeingGround Software Engineer (Mid Career) - Millennium Space SystemsChantilly, VirginiaMillennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Senior Software Engineer (.NET/Java) - Underwriting Engineering - HYBRID GEICO GENERAL INSURANCE COMPANYSenior Software Engineer (.NET/Java) - Underwriting Engineering - HYBRIDChevy Chase, MDUtilize programming languages like C#, Java or other object-oriented languages, SQL, and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of Azure tools and services. You'll help modernize tier-1 underwriting services, replace manual processes with AI-driven automation, and shape the evolution of a platform that must be highly available, secure, and built to scale.
Full Stack Senior Software Engineer AI/ML- Underwriting Experience GEICO GENERAL INSURANCE COMPANYFull Stack Senior Software Engineer AI/ML- Underwriting ExperienceBethesda, MD$100,000–$215,000 / yearThe Service Underwriting Engineering team partners closely with GEICO's underwriting operations team to design, build, and enhance applications that streamline underwriting processes and improve decision-making efficiency. GEICO is seeking a Full Stack Senior Software Engineer to join our Underwriting Experience team that brings experience in Java and React with exposure to Document Generation and/or Customer Communication tools.
Product Developer, Principal Epicor Software CorpProduct Developer, PrincipalHerndon, VAWorking across Product, QA, DevOps, Security, and Engineering teams, you will influence strategic technical decisions, mentor fellow developers, and help establish engineering best practices that drive business value and customer success. And that success really matters, because we're the essential partners for the world's most essential businesses-the hardworking companies who make, move, and sell the things the world needs.
Product Developer, Sr Epicor Software CorpProduct Developer, SrHerndon, VAWhat you will likely bring: 5+ years' experience in software engineering and modern application development, with experience designing, building, and maintaining enterprise software solutions. And that success really matters, because we're the essential partners for the world's most essential businesses-the hardworking companies who make, move, and sell the things the world needs.
Front-End Software Engineer (Ts/Sci With Poly Required) GCI IncFront-End Software Engineer (Ts/Sci With Poly Required)Chantilly, VAThe employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. Bachelor's Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
Software Engineer II Leonardo DRS IncSoftware Engineer IIGermantown, MD$91,907–$119,480 / yearSeveral factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity. In this role, youll make key architectural decisions, champion best practices, and ensure the integrity of our software supply chain, all while embracing our collaborative, ego-free culture that values results over hierarchy.
C++ Software Engineer Johns Hopkins University Applied Physics Laboratory LLCC++ Software EngineerLaurel, MDWe believe in building strong, productive teams, continually growing our capabilities, cultivating collaborative relationships and encouraging a work environment that embraces integrity, trust, confidence, teamwork, accountability, and a little bit of fun. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Software Engineer Metron IncorporatedSoftware EngineerLaurel, MDOther responsibilities include: reviewing and testing software components for adherence to the design requirements and documents test results; resolving software problem reports; utilizing software development and software design methodologies appropriate to the development environment; and providing specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. As a Software Engineer you will be responsible for developing, maintaining, and enhancing complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
Software Engineer (Ts/Sci With Poly Required) GCI IncSoftware Engineer (Ts/Sci With Poly Required)Chantilly, VAThe employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. They must have strong, firsthand technical expertise in a variety of data ingestion/computation technologies and the proven ability to fashion robust scalable solutions that can manage large data sets.