3,546 senior software engineer jobs at 698 companies in Fredericksburg, VA
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Senior Software Engineer
Dahlgren, Virginia, United States
$94k-$198k/yrOnsiteFull Time
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's in CS/Math/Engineering; 5+ years software engineering; Java; ability to obtain SECRET clearance; US citizen; Linux knowledge; team collaboration.
Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.
10+ YOE4+ MgmtSenior software engineer with leadership experience; TS/SCI clearance with polygraph; 10+ years in software/data/platform engineering; 4+ years leading a major technical service area; strong admin/control-plane design.
Quantifind: AI-driven platform for financial risk and fraud detection.
5+ YOE5+ years as a software engineer; expertise in Scala/Java, distributed systems, Spark; experience with Kubernetes, REST microservices, and data pipelines.
Redhorse: Delivering data insights and technology solutions to government agencies.
6+ YOEActive TS/SCI clearance; BS in CS/CE/SE/EE/Info Security; 6+ years software/ops; 4+ years in CNO; 2+ years automation (Python/Bash/PowerShell/Ansible); Linux admin; Git/Jira/GitLab; Docker/Podman; leadership; able to work independently.
PEMCCO: Provides IT and engineering services for government transportation systems.
10+ YOEMaster's degree in a technical discipline, 10+ years software engineering experience, advanced software architecture knowledge, lifecycle and testing experience, ability to obtain security clearance.
Modern Classrooms Project: Provides training for blended and self-paced instructional models.
AI-native senior engineer with hands-on experience building backend systems and generative AI/agentic orchestration using Python and TypeScript, prompt engineering, Spec-Driven Development, and durable production workflows.
Claude Code, OpenAI Codex, LangGraph, Python, TypeScript, GitHub Spec Kit
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
8+ YOEU.S. citizen with active TS/SCI and ability to pass CI polygraph; 8+ years software/system integration experience; cloud, virtual infrastructure, APIs, CI/CD/DevSecOps experience; Bachelor's in software/systems engineering or equivalent.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOETop Secret clearance, DoDM 8140.03 Work Role 621 certification, and either an associate degree with 10+ years or bachelor's degree with 5+ years in software engineering or cybersecurity.
Joint Electronic Library (JEL), Joint Doctrine Development Tool (JDDT), Universal Joint Task List Tool (UTDT), Joint Publication Management Tool (JPMT), Joint Terminology Master Database (JTMD), Joint Accreditation Management Information System (JAMIS), Application Program Interfaces (APIs), cNIPRNet, SIPRNet, Zero Trust Architecture (ZTA), JDEIS, JEL+, eMASS, Microsoft?
New York City or Washington or Austin or San Francisco
$195k-$235k/yrOnsiteFull Time
Method Financial: Connects financial accounts and processes debt payments via API.
5+ YOE5+ years software engineering experience; expert knowledge of JavaScript, Python or Java; experience with Node and React; building scalable production systems; strong communication and debugging skills.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOETop Secret clearance, a qualifying associate or bachelor's degree, and 5–10+ years in software engineering or cybersecurity. Requires enterprise application, database, API, deployment, and classified-environment experience.
Joint Electronic Library (JEL), Joint Doctrine Development Tool (JDDT), Universal Joint Task List Tool (UTDT), Joint Publication Management Tool (JPMT), Joint Terminology Master Database (JTMD), Joint Accreditation Management Information System (JAMIS), Application Program Interfaces (APIs), cNIPRNet, SIPRNet, Zero Trust Architecture (ZTA), JDEIS, JEL+, Enterprise Mission Assurance Support Service (eMASS), AI