43 python software developer jobs at 18 companies in Lancaster, VA
2w
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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
3w
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Software Developer (WSCE)-Journeyman
Patuxent River, Maryland, United States
$110k-$161k/yr OnsiteFull Time
3+ YOEBachelor's in CS/CE or related, 3+ years software development experience, proficiency in C/C++, CMake, scripting (Bash, Python 3), Git, Jira, and ability to obtain DoD clearance.
C, C++, CMake, Bash, Python 3, Git, Jira, Windows, Linux
1mo
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Software Engineer - Level 2
Edwards Air Force Base or Fort Worth or Las Vegas or Marietta or Palmdale or Patuxent River
$77k-$152k/yr OnsiteFull Time
US citizen with a Bachelor's or Master's in software/computer/engineering/physics, experience in software development/design/integration/test, and expertise in object-oriented development and relevant tools.
MATLAB, Simulink, Linux, Microsoft Visual Studio, Jenkins, Git, Bitbucket, VersionOne, JIRA, MPI, OpenMP, Fortran, C, C++, Python, bash, Confluence
1mo
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SOFTWARE ENGINEER II - TESTING
Hollywood, Maryland, United States
$96k-$115k/yr OnsiteFull Time
2+ YOEBachelor's in engineering, 2+ years software development experience, embedded systems experience, proficiency in C/C++ and familiarity with Python, experience with debugging/testing/version control, ability to obtain security clearance, strong communication and problem-solving skills.
C, C++, Python, Linux, Hardware-in-the-loop (HIL)
1mo
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Junior-to-Mid Level Software Developer
Dahlgren, Virginia, United States
$79k-$135k/yr HybridFull Time
3+ YOEActive Secret clearance and US citizenship required; BS in engineering/science/technical discipline; 3+ years software development experience; proficiency with C, C++, Python or Rust; experience with hardware interfaces and device communication.
C, C++, Python, Rust
1mo
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Software Engineer / Principal Software Engineer (AHT)
Hollywood, Maryland, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEUS citizen with required DoD clearance, Bachelor's in STEM, 2+ years software engineering experience (5+ for principal), proficiency in C# or Java, CI/CD, automated testing, scripting, Windows technologies, and Agile.
Bamboo, Jenkins, C#, Java, Microsoft Windows, yaml, Python, PowerShell, Batch, Typescript, TestComplete, BitBucket, git, CVS, .NET Framework, WPF, gRPC, REST, SQL, Bitbucket, Jira, Confluence, Docker, Kubernetes, Ansible, Terraform, Chef, Puppet, Azure, AWS, DOORS
3mo
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Software Engineer (All Levels)
Annapolis Junction, Maryland, United States
OnsiteFull Time
TS/SCI with polygraph; experience in Python, Java, C++, or similar; large-scale data, distributed systems, or real-time processing; degree in Computer Science or Software Engineering (or equivalent); collaborative mindset; plus AWS, DevOps/CI/CD, Docker/Kubernetes and ML exposure.
Python, Java, C++, Docker, Kubernetes, AWS, CI/CD
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
3w
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Software Engineer (Modeling & Simulation) ATC Systems
Patuxent River, Maryland, United States
OnsiteFull Time
PaylocityNASDAQ: PCTY: Provides cloud-based human capital management and payroll software.
5+ YOE5+ years software engineering experience building or maintaining simulation engines; bachelor\u0002s degree in CS or related field; mastery of C++, Java, or Python; HLA/DIS and Git experience; eligible for U.S. Secret clearance.
C++, Java, Python, High-Level Architecture (HLA), Distributed Interactive Simulation (DIS), Git, GitLab, CI/CD, Agile, Windows, Linux
5d
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Software Engineer Secret Clearance
Newport News, Virginia, United States
$83k-$125k/yr OnsiteFull Time
2+ YOE2+ years experience with BS (or 0 with MS), proficiency in Java/Spring and Python, experience with REST services, messaging systems, databases, CI/configuration management, and active Secret clearance required.
Java, Spring, Python, Apache Kafka, RabbitMQ, ActiveMQ, web sockets, GraphQL, NATS, SQL, NoSQL, GeoSpatial, VSCode, Eclipse, NetBeans, JavaScript, Node.js, WebLogic, Kubernetes, Helm, Helm Charts
2d
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Senior Data Engineer/Software Developer - Clearance
Newport News, Virginia, United States
$111k-$193k/yr OnsiteFull Time
10+ YOEBachelor's degree in a technical field, 10+ years using Python, SQL, and Tableau, 5+ years building legacy-system data connectors, technical team leadership, and active DoD Secret clearance.
Python, PySpark, Pandas, SQL, Tableau, Palantir Foundry, Workshop, D3.js, Angular, React, JavaScript
5d
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Software Engineer - ELSYS - Patuxent River, MD - (Open Rank)
Patuxent River, Maryland, United States
OnsiteFull Time
2+ YOEBachelor's in Systems/Software/Computer Science, 2+ years related experience (with DoW programs preferred), U.S. citizenship, ability to obtain security clearance (Secret required), proficiency in multiple programming languages and software engineering practices.
Java, JavaScript, C, C++, C#, Ruby, Python, Scala, Groovy, Continuous Integration/Continuous Delivery (CI/CD), DevOps, Application Programming Interface (API)
2w
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Mid-Level Software Engineer (Job ID:4428)
Dahlgren, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in STEM,5+ years professional experience,proficiency in Python and C++,CI/CD and DevSecOps experience,Git/GitLab,JIRA/Confluence,ability to obtain and maintain Secret clearance.
Python, C++, Git, GitLab, JIRA, Confluence, Redhat Linux, Docker, Jenkins, Rust, DevSecOps
2mo
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Java Software Engineer
Laurel or Fort Meade
OnsiteFull Time
5+ YOETS/SCI with poly, Bachelor's or Master's in CS, 5-10+ years SWE, Unix/Linux, Java, Spring, SQL/NoSQL, Docker, CI/CD, web frontend basics.
Unix, Bash, Python, Java, Spring, SQL, NoSQL, MongoDB, Docker, CI/CD, GitLab CI, Jenkins, Web Services
3w
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Intermediate Software Engineer
King George or Dahlgren
$76k-$156k/yr OnsiteFull Time
3+ YOEActive Secret clearance (or ability to obtain), Bachelor's in STEM, 3 years engineering and software development experience, proficiency in C++, C, Python, Batch, Java, Rhapsody/Cameo, DevSecOps and Agile.
Rhapsody, Cameo, C++, C, Python, Batch, Java
3w
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Intermediate Software Engineer
King George or Dahlgren
$76k-$156k/yr OnsiteFull Time
3+ YOEActive or obtainable Secret clearance; bachelor’s degree in STEM; 3+ years software/systems engineering experience; C/C++/Java/Python experience; DevSecOps and CI/CD knowledge; networking and Agile familiarity.
GITLAB, YAML, Artifactory, Jira, Atlassian, NetBeans, Python, C++, C, Batch, Java
1d
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Senior Data Engineer/Software Developer - Clearance
Newport News or Virginia
$111k-$193k/yr OnsiteFull Time
10+ YOEBachelor's degree in a technical field, 10+ years using Python, SQL, and Tableau, 5+ years building legacy-system data connectors, technical team leadership, and active DoD Secret clearance.
Python, SQL, Tableau, PySpark, Pandas, CI/CD, Palantir Foundry, Workshop, D3.js, Angular, React, JavaScript
3mo
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Senior Agentic AI UI Devleoper
Springfield or Saint Louis
$148k-$267k/yr OnsiteFull Time
10+ YOE10+ years software development; 5+ years web services/UI; BS in CS or related field; JavaScript and Python; RESTful APIs; XML/Java; Secret clearance; Python and AI integration experience.
JavaScript, Python, REST, XML, Java, React, Vue, Angular
1mo
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Sr. Artificial Intelligence Engineer (5361) (TS/SCI) (Ft. Belvoir, VA - Nolan Bldg)
Fort Belvoir or Hollywood
$165k-$180k/yr OnsiteFull Time
3+ YOEActive Top Secret/SCI clearance, Security+ (or ability to obtain), Master’s (3+ yrs) or Bachelor’s (5+ yrs) in a computing field; hands-on MLOps, CI/CD, containerized deployment (Docker, Kubernetes), Python, ML frameworks, Responsible AI.
MLOps, CI/CD, Docker, Kubernetes, OpenAI GPT, Azure OpenAI, AWS Bedrock, Python, TensorFlow, PyTorch, scikit-learn, Hugging Face, AWS, Azure, GCP
2mo
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Lead AI Engineer (GenAI Platform, AI Foundations, LLM Core and Agentic AI)
McLean or San Francisco or San Jose or Richmond or New York City
$197k-$225k/yr OnsiteFull Time
4+ YOEBachelor’s or Master’s in CS/AI/EE/CE with 2–4+ years of AI/ML experience; 4+ years Python/Go/Scala/Java; cloud experience with AWS/GCP/Azure preferred.
AWS, Huggingface, PyTorch, VectorDB, Nemo Guardrails, Open Source AI tools
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