Senior Software Engineer CredenceSenior Software EngineerTysons, VAThis role focuses on application development, software architecture, cloud-native technologies, AI-enabled automation, systems integration, and advanced analytical capabilities that improve mission readiness, logistics, sustainment, and supply chain operations. The successful candidate will build scalable software applications, APIs, enterprise services, automation tools, and AI-enabled capabilities that transform complex operational and logistics information into mission-focused software solutions.
Senior Software Engineer / Data Scientist (Training Systems) LeidosSenior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$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.
Senior Software Engineer C# System OneSenior Software Engineer C#Merrifield, VA$105,000–$120,000 / yearThe ideal candidate will possess advanced software engineering expertise, strong development skills, and the ability to mentor team members while contributing hands-on to complex technical initiatives. We are seeking an experienced Senior Software Engineer to provide technical leadership and drive the design, development, and delivery of mission-critical software solutions.
Senior Software Engineer - AI Agents VisaSenior Software Engineer - AI AgentsAshburn, VA$123,000–$190,900 / yearYou will have the opportunity to work across various roles from development to architecture and collaborate closely with a cross-functional team of architects, engineers, data scientists, and product managers to design, implement, and deliver solutions that are intuitive, user-centric, and accessible to everyone at Visa. The Cyber Analytics and AI Innovation team is revolutionizing the field of machine learning and artificial intelligence by developing cutting-edge capabilities and tools that empower employees at Visa to develop secure applications with higher productivity.
NewSr. Software Engineer -CTJ- Poly MicrosoftSr. Software Engineer -CTJ- PolyReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. You will work on distributed systems that enable Power Platform services to function in isolated, air‑gapped environments, partnering with Public Cloud teams to bring features to parity while ensuring those features meet the constraints of sovereign deployments.
NewSr. Software Engineer - CTJ - Poly MicrosoftSr. Software Engineer - CTJ - PolyReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
Sr. Software Engineer - Core Automation Platform VisaSr. Software Engineer - Core Automation PlatformAshburn, VA$110,700–$171,800 / yearJoining Visa means working on highly distributed, large-scale systems that power the future of payments, data solutions, cybersecurity, AI, and next-generation customer experiences. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Senior Manager, Software Engineering HITT ContractingSenior Manager, Software EngineeringFalls Church, VA$120,000–$175,000 / yearReporting to the Head of Software Engineering, the Principal Software Engineer sets the technical direction for how software gets built at HITT — architecting the practice’s first AI-native applications, establishing the platform and paved-road tooling every team will use, and writing production code every day alongside AI coding agents. The Principal Software Engineer will help recruit engineers into a lean, agile, AI-augmented team and will train HITT’s existing developers in AI-enabled methods — through pairing, code review, workshops, and reference implementations — raising the technical bar for the entire practice.
Senior Software Engineer System OneSenior Software EngineerFort Belvoir, VAThe ideal candidate has strong full stack development experience, technical leadership capabilities, and experience building applications on Palantir Foundry or a comparable enterprise data platform. You will build user-facing applications, backend services, APIs, and data integrations while working directly with Army users and product designers.
NewSenior Software Engineer JobotSenior Software EngineerFalls Church, VA$150,000–$200,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products.
Senior Software Simulation Engineer By Light Professional IT ServicesSenior Software Simulation EngineerChantilly, VAVeraxx has a high level of expertise in flight simulation hardware and software development, as well as computer architecture, tactical environments, interoperability (HLA/DIS), avionics systems, graphics and real-time embedded systems. Candidate will have the opportunity to work on a variety of flight simulators and develop/integrate software in areas such as avionics, tactical environments, interfaces to audio, visual, motion, and I/O systems, and Instructor Operator Stations (IOS).
Software Architect (Drupal Lead + Architecture + Infrastructure + Kafka + DevSecOps) NuAxis InnovationsSoftware Architect (Drupal Lead + Architecture + Infrastructure + Kafka + DevSecOps)Washington DC, DCDefines the end-to-end target architecture — containerized Drupal on Kubernetes, event-driven integration via Kafka, API-first services, cloud data and secrets management, and an automated DevSecOps pipeline — and is accountable for the platform meeting performance, scalability, security, and accessibility obligations. • Architect the containerized runtime on Kubernetes (EKS) with managed relational data (Aurora), shared file storage (EFS), object storage (S3), centralized registry, CDN/WAF, and secrets management via a managed vault with pod identity.
Mid - Senior Level Software Development Engineer in Test System OneMid - Senior Level Software Development Engineer in TestMerrifield, VAAs a member of this team your role will be a Software Development Engineer in Test (SDET) working in a Scrum environment, you will test software applications and features using test suites and scripts, perform anomaly reporting, software analysis, develop automated software test packages using various technologies, perform functional and performance testing. Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium.
NewSr. Software Developer System OneSr. Software DeveloperGaithersburg, MDThe Senior Software Engineer will work closely with product owners, architects, Scrum Masters, DevSecOps teams, and fellow developers to deliver secure, scalable, and maintainable software solutions. • Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8 to 12 years of relevant experience, or a master’s degree with 6 to 10 years of relevant experience.
Senior Director, Software Engineer - Card Partnerships Discover Financial ServicesSenior Director, Software Engineer - Card PartnershipsMcLean, VA$286,200–$326,700 / yearAs a Capital One Senior Director of Software Engineering, youll work on everything from customer-facing web and mobile applications using cutting-edge open source frameworks, to highly-available RESTful microservices, to back-end Java based systems and machine learning models using some of the hottest technologies in Cloud and AI. Our team serves as the technical visionary and strategic engine behind Capital One’s Partnership Card organization,driving world-class credit experiences for iconic brands likeKohl’s, Williams-Sonoma, and T-Mobile,among others.
Director, Software Product HITT ContractingDirector, Software ProductFalls Church, VA$130,000–$210,000 / yearThis leader owns the software product portfolio for their area end to end: partnering with business and field leaders to find the highest-value problems, translating them into clear product bets, sequencing the roadmap, and driving delivery through rapid, iterative cycles. This is a hands-on leadership role for a product-minded builder: someone who is happiest close to the work — shaping backlogs, pressure-testing prototypes, clearing blockers — and who knows how to get small, AI-augmented teams to ship.
Unix/Linux Administrator System OneUnix/Linux AdministratorWashington, DC$150,000 / hourDesign and maintain the enterprise patch and configuration management architecture (Red Hat Satellite, Ansible or Ansible Automation Platform), converting manual administrative work into automated, repeatable, version-controlled workflows. Author and maintain security hardening baselines aligned to CIS Benchmarks and applicable DISA STIGs; own vulnerability scan remediation and support FISMA and NIST SP 800-53 control implementation, POA&M closure, and audit evidence.
Principal / Sr. Principal Cyber Software Engineer Northrop Grumman CorpPrincipal / Sr. Principal Cyber Software EngineerChantilly, VA$125,300–$187,900 / yearNorthrop Grumman Mission Systems is seeking an experienced Principal / Senior Principal Cyber Software Engineer to join our team supporting a program in the Signals Intelligence Mission Solutions (SMS) Department. Collaborate with the team to review and improve processes (development, test, governance, stakeholder interactions), Communicate project status, roadblocks, technical and process proposals to the team and stakeholders.
Principal / Sr. Principal AI Software Engineer Northrop Grumman CorpPrincipal / Sr. Principal AI Software EngineerVA$137,800–$206,800 / yearWe are looking for early to mid-career AI researchers and engineers with deep knowledge of Computer Science and a deep focus on Reinforcement Learning (RL) to design and implement intelligent autonomy algorithms for our space and aerospace programs. Demonstrated systems engineering excellence in requirements analysis, modeling and simulation, verification and validation at subsystem and system level or Demonstrated vehicle development, mission systems integration, ground and flight test validation experience.
Principal Software Engineer Jcd StaffingPrincipal Software EngineerBethesda, Maryland$160,000–$165,000 / yearCompensation: $160,000.00 - $165,000.00 per year JCD Staffing is a specialized staffing and consulting firm, focused on working with highly talented technical individuals to provide our clients with a unique, successful hiring experience. The senior software engineer engages directly with IT management, development teams, technical delivery teams, and vendors to ensure the successful design, development, and delivery of technology-based solutions.