220 python software developer jobs at 48 companies in King William, VA
4d
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Lead Software Engineer (Python, Vector Databases, AWS)
McLean or Richmond
$179k-$225k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years of software engineering experience, 1+ year of cloud computing experience, and expertise in Python, data infrastructure, vector databases, pipelines, and AI/ML systems.
Python, vector databases, graph database, JavaScript, Java, HTML/CSS, TypeScript, SQL, Go, Open Source RDBMS, NoSQL databases, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, RAG architecture
3w
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Software Engineer
King George or Dahlgren
OnsiteFull Time
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
1mo
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Software Developer
Dahlgren, Virginia, United States
$69k-$158k/yr HybridFull Time
2+ YOE2+ years software development experience, ability to design and implement full-stack solutions, experience with back-end and front-end languages, ability to obtain Secret clearance, bachelor’s degree or 5+ years of software engineering experience in lieu of degree.
Java, Python, C#, C/C++, .NET, JavaScript, React, NodeJS
1mo
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Software Developer
Dahlgren or Arlington
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years software development experience, proficiency with front- and back-end languages, experience writing source code and full-stack solutions, ability to obtain a Secret clearance, bachelor's degree or 5+ years experience accepted.
Java, Python, C#, C/C++, .NET, JavaScript, React, NodeJS, Agile
1w
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Senior Software Developer
Dahlgren, Virginia, United States
$120k-$150k/yr OnsiteFull Time
7+ YOEActive Secret clearance and U.S. citizenship, Bachelors in CS/Comp Engineering or related, 7+ years developing high-fidelity C++ modeling and simulation for aircraft/missile/sensor systems, EM development practices, Python/MATLAB experience preferred.
C++, Python, MATLAB, DevSecOps
23h
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Software Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
5+ YOERequires a BS in engineering, science, or technology; 5 years software engineering experience; 3 years US Navy or defense program experience; US citizenship; ability to obtain a secret clearance; and Java, C, C++, C#, Linux, or Python expertise.
Java, C, C++, C#, Linux, Python, Cameo, DOORS
2mo
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Mid-to-Senior Software Developer
King George, Virginia, United States
$92k-$135k/yr OnsiteFull Time
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.
VS Code, IntelliJ, JIRA, Confluence, GitLab, Java, Rust, C++, Python, Docker, CI/CD, Ubuntu, RedHat, protobuf
1mo
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Intermediate Software Engineer
King George or Dahlgren
OnsiteFull Time
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.
C++, C, Python, Batch, Java, DevSecOps, Agile, SAFE Agile
2mo
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Mid-to-Senior Software Developer
King George, Virginia, United States
$92k-$135k/yr HybridFull Time
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
3mo
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Software Engineer
Richmond, Virginia, United States
HybridFull Time
5+ YOEExperience building web apps with Python/Flask, JavaScript frontend, API design, Azure deployment, GitLab CI/CD; mentor; BSCS or 5+ years experience.
Python, Flask, JavaScript, HTML, CSS, Azure App Service, Azure PostgreSQL, GitLab, CI/CD, React, Angular, Vue
1mo
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Sr. Software Engineer
United States or California or Connecticut or Florida or Illinois or Kentucky or Maryland or Massachusetts or Michigan or Minnesota or North Carolina or New York or Ohio or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Washington or Richmond
RemoteFull Time
4+ YOEBachelor's/Master's or equivalent experience, 4+ years software engineering, production delivery ownership, cloud (AWS/Google Cloud/Microsoft Azure), Python/Java/GoLang, relational databases, Docker, Kubernetes, automated testing, Git; must reside in specified US states and be authorized to work without sponsorship.
AWS, Google Cloud, Microsoft Azure, Python, Java, GoLang, Docker, Kubernetes, Git
2mo
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Consulting Software Engineer
Richmond, Virginia, United States
HybridFull Time
10+ YOE10+ years software development, 3+ years GenAI/AI-ML experience, 2+ years DevOps cloud deployments; advanced proficiency in .NET, React, Angular, Python, SQL, SQL Server, Oracle, NoSQL, Microsoft Power Platform; experience with RAG, model fine-tuning and cloud deployments (AWS/Azure/GCP).
.NET, React, Angular, Python, SQL, SQL Server, Oracle, NoSQL, Microsoft Power Platform, RAG, Agentic AI, AWS, Azure, GCP, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft OneNote, Microsoft Project, Microsoft Visio, Microsoft SharePoint
1mo
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Software Engineer - Level 3
Edwards Air Force Base or Fort Worth or Henderson or Las Vegas or Marietta or Palmdale or Patuxent River
$93k-$186k/yr OnsiteFull Time
US citizenship required; Bachelor's (or Master's) in a listed STEM field; experience with one or more program lifecycle steps; expertise in object-oriented development and software integration/testing.
MATLAB, Simulink, Linux, Microsoft Visual Studio, Jenkins, Git, Bitbucket, VersionOne, Jira, MPI, OpenMP, Fortran, C, C++, Python, bash, Confluence, DO-178C
1mo
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Junior Software Developer
Lexington Park, Maryland, United States
$75k-$85k/yr OnsiteFull Time
1+ YOERequires C# development experience, Agile/SDLC familiarity, debugging/testing skills, bachelor's degree in CS/SE/Engineering, 1–3 years experience, and active Secret security clearance.
C#, Python, Java, JavaScript, AWS, Docker, Jenkins, React, Flask, Spring Boot, SQL, NoSQL
1w
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Senior Software Developer
Dahlgren, Virginia, United States
$120k-$150k/yr OnsiteFull Time
7+ YOEActive Secret clearance and U.S. citizenship required; bachelor’s in CS/CE or related; 7+ years developing DoD multi-domain modeling and simulation; advanced C++ and object-oriented skills; Agile and DevSecOps experience.
C++, Python, MATLAB
1mo
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Specialist Software Developer B2B Commerce
Richmond or United States
$101k-$168k/yr RemoteFull Time
5+ YOE5+ years software development experience with Spring Boot and React; Bachelor’s in Computer Science/Engineering/Business; experience with microservices, REST/GraphQL, CI/CD, Docker/Kubernetes, Azure, Kafka; AI/LLM familiarity preferred.
Spring Boot, React, Java, HTML/CSS/JS, RDBMS, REST, GraphQL, Git, Elastic, Redis, Docker, Kubernetes, Azure, Phyton, Kafka, MCP Protocol, RAG, LLM Agent, CI/CD
3w
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Software Engineer – Full-Stack / Simulation
Fredericksburg, Virginia, United States
$112k-$146k/yr OnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
4+ YOE4+ years software development experience; strong skills in modern languages, web visualization, secure real-time data pipelines, game-engine simulation, and AI/ML integration; US citizenship and ability to obtain security clearance.
Python, JavaScript, TypeScript, C#, NetCDF, HDF5, WRF, Unity3D, Google Protocol Buffers (Protobuf), Android Studio, Android Team Awareness Kit (ATAK), AWS GovCloud, AES-256, TLS, Cursor-on-Target, DIS, HLA
1mo
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Principal Software Engineer (AHT)
Hollywood, Maryland, United States
$114k-$171k/yr OnsiteFull Time
5+ YOEB.S. in a STEM field and 5+ years relevant experience, active SECRET clearance, CI/CD and Agile experience, proficiency with C#, Java, .NET, SQL, Python, scripting (yaml/PowerShell/Curl), Git/GitHub, and Atlassian tools.
Agile Methodology, Continuous Integration (CI), Continuous Deployment (CD), C#, Java, .NET, SQL, yaml, Python, PowerShell, Curl, Git, GitHub, Bitbucket, Jira, Confluence, REST, AsyncAPI, React, Docker, Kubernetes, AWS, Azure, UML
1mo
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Principal Software Engineer (AHT)
Hollywood, Maryland, United States
$114k-$171k/yr OnsiteFull Time
5+ YOEB.S. in STEM +5 years experience, active Secret clearance adjudicated within last 5 years, experience with Agile, CI/CD, C# / Java / .NET, OOD, SQL, scripting (YAML, Python, PowerShell, curl), Git/GitHub, Atlassian tools.
Agile Methodology, CI, CD, C#, Java, .NET, SQL, YAML, Python, PowerShell, curl, Git, GitHub, Bitbucket, Jira, Confluence, REST, AsyncAPI, React, Docker, Kubernetes, AWS, Azure
4w
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Senior Software Engineer Applied AI
Richmond or United States
RemoteFull Time
7+ YOE7+ years building production backend systems, strong Python, cloud/distributed systems experience (AWS), hands-on LLM/generative AI and ML lifecycle experience, and disciplined work in regulated environments.
Python, AWS, LLMs
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