Lead Software Engineer (AWS, Python, Java, React, Generative AI APIs)
McLean or Richmond
$179k-$225k/yrOnsiteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience (AWS preferred). Proficiency with JavaScript/Java/TypeScript/Python/Go/SQL, containerization (Docker, Kubernetes), and experience leading projects and teams.
AWS, Python, Java, React, JavaScript, HTML/CSS, TypeScript, SQL, Go, Docker, Kubernetes, Open Source RDBMS, NoSQL databases, Generative AI APIs
Full Stack Developer (Python, JavaScript) - TS/SCI clearance required
Fort Belvoir, Virginia, United States
OnsiteFull Time
Leading Path Consulting: Provides technology and management consulting services to government and enterprise clients.
Requires Security+ (DoD 8140), TS/SCI clearance, experience coding front- and back-end webapps with JavaScript and Python, familiarity with Git; Mac/Linux CLI, prototyping with Python notebooks/Streamlit, LangChain and AI/ML experience preferred.
Technical Intelligence Solutions: Provides specialized engineering and cloud solutions for defense missions.
3+ YOE3+ years in software development; OO languages (Python/Go/C#/Java); version control; CI/CD (GitLab); containerization; PowerShell/Bash; TS/SCI clearance; HS diploma or GED.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience developing, integrating, and troubleshooting software on Linux/Unix; coding in Java, C++ or Python; scripting with Bash/Python; containerization knowledge; active US Secret security clearance and US citizenship required.
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOEBachelor's in a technical field or equivalent experience; 7+ years simulation/game-focused software development (10 years without degree); proficiency in C++, C#, Python, or Java; experience with simulation engines; active TS/SCI clearance required.
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
8+ YOEBS in CS/CE/SE,8+ years software development experience,5+ years C/C++/Java,Top Secret clearance,polygraph willingness,proficiency with Python and data visualization,EMR not mentioned.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years programming with object-oriented languages (Java, Python); 1+ year experience with ATAK SDK, TAK ecosystem, and native Android development; Android profiling and SQLite experience; ability to obtain Secret clearance; HS diploma/GED.
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
2+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering, computer science, math, or physics; 2 years software engineering experience; proficiency in C++, C#, Java, or Python; GUI/tooling experience; agile development experience.
C++, C#, Java, Python, Adobe XD, Figma, Sketch, Framer, Windows Presentation Foundation (WPF), Team Foundation Server (TFS), Git, Bitbucket, ATAK, WinTAK, VTAK
VMD Corp: Provides airport security screening and federal IT services.
7+ YOESecret clearance, Bachelor\u0002s or equivalent,7+ years software development experience; strong with ASP.NET Core,.NET Framework,C#,Java,Python,MS SQL Server,Oracle,SharePoint,ServiceNow,Docker,CI/CD,GIT and DevSecOps practices.
ASP.NET Core, .NET Framework, C#, Java, Python, Microsoft SQL Server, Oracle Database, SharePoint, ServiceNow, Docker, Artifactory, Nexus Repository, NuGet, Git, Infrastructure as Code (IaC)
SimVentions: An employee-owned engineering delivering advanced software and systems integration solutions for defense and commercial customers.
8+ YOEBS in engineering/technical discipline, interim Secret clearance and US citizenship required; 8+ years software development experience preferred; proficiency in Java, Rust, C++, Python, Docker, CI/CD, Linux, EM tools, and agile practices.
SWIFT: Provides secure messaging services for global financial transactions.
10+ YOEBachelor's in CS or related, 10+ years software development experience with modern languages (e.g., Java, Python) on Unix/Linux, experience with APIs, microservices, AWS, containerization, CI/CD, security best practices, and mentoring.
SimVentions: Provides engineering and technology services for defense customers.
8+ YOEBS in engineering/science/technical field, 8+ years software development experience, expertise in Java/Rust/C++/Python, Docker, CI/CD, Linux; experience with VS Code, IntelliJ, Jira, Confluence, GitLab; interim Secret clearance and US citizenship required.
VS Code, JetBrains IntelliJ, Jira, Confluence, GitLab, Java, Rust, C++, Python, Docker, CI/CD, Ubuntu, Red Hat, protobuf
Full Visibility: Provider of technical and engineering solutions for government agencies.
10+ YOEActive Top Secret/SCI clearance (SCI-eligible) with ability to obtain CI poly; 10+ years software engineering experience; expertise in Java, Spring Boot, Microservices, Python, cloud-native development, AWS, Docker, Terraform, GitLab CI/CD, Databricks; Bachelor's degree or 4 additional years of experience.
Software Developer II (Kubernetes and Integration Specialist)
Manassas or Chantilly or Virginia
$69k-$166k/yrOnsiteFull Time
Arcfield: Systems engineering and mission support for defense and space.
2+ YOEActive DoD Secret clearance, 2+ years software development experience (Bachelor's) or 0–2 with Master's; Kubernetes/Docker, Python/C++/Java/Go, REST APIs, CDI familiarity, local to Northern Virginia with ~10% travel, ability to integrate software into naval systems.
TMC Technologies: Provides engineering and IT services to government and defense clients.
3+ YOEBachelor's in STEM, Secret clearance required, 3+ years coding in C++, C, Python, Batch and Java, knowledge of networking, model-driven architecture, software architecture, DevSecOps, and Agile/SAFe.
SEACORP: Provides engineering and technology services for naval defense systems.
0+ YOEAbility to program in Java, Python, or C++; experience with databases/APIs, containers, and Agile; U.S. citizenship and Secret clearance required; degrees and experience vary by level.
Java, Python, C++, Git, Linux, Jira, Confluence, PostgreSQL, MongoDB, Docker, Kubernetes, Kafka, Spark, Iceberg, Trino, S3, Ceph, VS Code AI extensions, Cursor, Claude Code
Richmond or Indianapolis or Walnut Creek or Seattle or Grand Prairie or Winston-Salem or Chicago or Atlanta or Miami or Nashville or Tampa or Woburn or Norfolk
$231k-$417k/yrHybridFull Time
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
15+ YOEBachelor's in CS/IT (or equivalent) and 15+ years software engineering experience; production AI/ML, LLM and agentic systems experience; strong Python/Java skills; APIs, microservices, cloud, CI/CD and DevOps experience required.
Python, Java, APIs, microservices, event-driven architectures, cloud platforms, CI/CD, DevOps, MLOps, LLMOps, Large Language Models (LLMs), agentic systems, distributed systems