54 software engineer 1 jobs at 32 companies in Winchester, VA
2w
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Software Engineer 1
Manassas, Virginia, United States
$84k-$115k/yr OnsiteFull Time
0+ YOEUS citizen able to obtain DoD Secret clearance, bachelor\u0002s in CS/CE/SE or equivalent, 0\u000a3 years software development experience, Java/J2EE, JavaScript (React/Vue), relational DBs, Hibernate/JPA, agile teamwork.
Java, J2EE, React, Vue, Oracle, PostgreSQL, Hibernate, JPA, WildFly, JBoss EAP, Maven, GitLab, Docker, Linux, AWS
1mo
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Software Engineer 1
Herndon or Potomac
OnsiteFull Time
U.S. citizenship and active TS/SCI with Full Scope Polygraph required. Proficiency in Python, Django or Flask, MongoDB or MariaDB, REST endpoint development, and microservice design.
Python, Django, Flask, MongoDB, MariaDB, Swagger, AWS, C2S, Docker, Visual Studio Code, JSON, XML, Jira, Confluence, Git
1w
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Software Engineer
Middletown or Manassas
$90k-$100k/yr OnsiteFull Time
1+ YOEBachelor's in Software Engineering/Engineering/Science/Math plus 1 year or Master's; DoD Secret clearance and U.S. citizenship required; proficiency in C++, networking (AMQP,TCP/UDP), and Git.
C++, AMQP, TCP, UDP, Git, Linux, Kubernetes, Docker, QT Framework, Jira, Confluence
1mo
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
TS/SCI with Polygraph required Day 1; strong software development skills with proficiency in JavaScript, Java, ASP.NET or scripting languages; experience with software lifecycle, security patching, and vulnerability assessment.
SCRUM Agile, JavaScript, Java, ASP.NET, Perl, PHP, Ruby on Rails, Flex, Silverlight, Google Earth Plugin
1w
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Embedded Software Engineer II
Germantown, Maryland, United States
$72k-$98k/yr HybridFull Time
1+ YOEBachelor's degree in engineering, 1+ years related experience, proficiency in C/C++, scripting (Bash/Python), Linux/QNX/FreeRTOS, strong communication and software design skills.
C, C++, Bash, Python, Linux, QNX, FreeRTOS
2w
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Software Engineer–Systems (Associate/Experienced)
Chantilly or Aurora or Mesa
$94k-$171k/yr OnsiteFull Time
1+ YOEActive U.S. Top Secret clearance, bachelor\u0002s degree, 1+ years systems/software engineering experience, familiarity with Agile/SAFe, and customer briefing skills.
Jira, Confluence, Crucible
2mo
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Junior Software Developer Engineer - Chantilly, VA
Chantilly, Virginia, United States
$90k-$140k/yr OnsiteFull Time
1+ YOEBachelor’s in STEM, TS/SSBI eligible, 1+ year professional software development and design/architecture experience, proficient in at least one programming language.
2mo
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Software Engineer II
Herndon, Virginia, United States
OnsiteFull Time
5+ YOE5+ years ML engineering; 1+ year fine-tuning LLMs/VLMs; Python, PyTorch; AWS; TS/SCI with Poly; SCIF access
Python, PyTorch, HuggingFace, SageMaker, DeepSpeed, Docker, ECR, EKS, MLflow, Weights and Biases, SageMaker Experiments, TensorRT, ONNX
1d
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Software Engineer 2 (AI) - Hybrid - Reston, VA - Freewheel
Reston, Virginia, United States
$102k-$153k/yr HybridFull Time
1+ YOERequires 1–2 years of software engineering experience or equivalent internship/co-op experience, Python or similar programming, software fundamentals, and exposure to AI, machine learning, LLMs, or agent-based systems.
Python, LLMs
2w
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Software Engineer–Systems (Associate/Experienced)
Chantilly or Aurora or Mesa
$94k-$171k/yr OnsiteFull Time
1+ YOEBachelor's degree or equivalent, active U.S. Top Secret clearance (willing to sit for CI polygraph),1+ years systems/software engineering experience, familiarity with Agile/SAFe, and customer briefing skills.
Jira, Confluence, Crucible, Microsoft Excel
3w
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Software Engineer, Infrastructure, Public Sector
Reston, Virginia, United States
$147k-$211k/yr OnsiteFull Time
2+ YOEUS citizenship and active Top Secret/SCI clearance with polygraph; bachelor’s or equivalent; 2 years designing distributed systems; 1 year software development experience; EM systems, leadership, and critical thinking skills preferred.
1mo
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Senior Specialist, Software Engineering 1 1 (40204)
Rochester or Chantilly or Melbourne
$75k-$160k/yr OnsiteFull Time
Bachelor's or equivalent in STEM, strong troubleshooting and debugging, proficiency in Java/C++/Python, Linux, Kubernetes experience preferred, active Top Secret with SCI eligibility required.
Java, C++, Python, Linux, Kubernetes
1d
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Software Development Engineer, Transit Gateway
Herndon, Virginia, United States
$144k-$194k/yr OnsiteFull Time
3+ YOERequires 3+ years professional software development, 2+ years system design or architecture, 1+ year large-scale distributed software development, object-oriented design, programming language experience, and a bachelor's degree in a related field.
C#, C++, Java, Perl
3w
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Embedded Flight Software Engineer (Rust)
Reston, Virginia, United States
$135k-$165k/yr OnsiteFull Time
3+ YOEBachelor's in CS/CE,3+ years high-reliability and embedded software development with Rust or C/C++,1+ year async Rust,ARM/SoC experience,EMR? (not stated)
Rust, C, C++, asynchronous Rust, Python, Yocto, ARM, Ethernet, SPI, I2C, UART, PCIe
1mo
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Visualization & Simulation Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEUS citizen able to obtain TS/SCI with polygraph; BS in STEM (engineering discipline); 1+ years relevant experience; basic JavaScript and frontend, familiarity with Python, 3D math, and client-server exposure.
Three.js, Python, JavaScript, Git
3w
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Junior Software Developer (Clearance Required)
Reston, Virginia, United States
$91k-$142k/yr OnsiteFull Time
1+ YOEActive TS/SCI with polygraph, U.S. citizenship, 1+ year related experience (degree-experience tradeoffs), full-stack Python and JavaScript experience, database experience, SDLC and testing knowledge, and Git proficiency.
Python, JavaScript, PostgreSQL, MySQL, Oracle, MongoDB, Git, Docker, Kubernetes, FastAPI, Flask, Python3
4w
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DSP Engineer 1
Warrenton, Virginia, United States
$70k-$110k/yr HybridFull Time
0+ YOEBachelor's in EE/CE, strong DSP fundamentals, proficiency in C/C++, Python or MATLAB, familiarity with debugging tools and lab equipment; 0–5 years DSP or embedded software experience.
C, C++, Python, MATLAB, oscilloscope, spectrum analyzer, software debugger, CI/CD
2d
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Commercial Development Engineer 1
Clarksburg, Maryland, United States
$117k-$175k/yr HybridFull Time
2+ YOEBachelor's in a technical field,2+ years engineering or software experience,proficiency with Python/C/C++/Java/JavaScript/TypeScript,DevOps and cloud concepts,Linux and networking fundamentals,strong problem-solving and communication skills.
Python, C/C++, Java, JavaScript, TypeScript, Linux, Docker, Kubernetes, Grafana, Prometheus, Loki
1mo
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Full Stack Software Developer
Chantilly, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
5+ YOE5+ years Python (Flask/Django/FastAPI), 2–3 years SQL/ORM, 1–3 years JS/TS/CSS and React/Angular/Vue, 1–3 years AWS and container deployment, US citizenship and active TS/SCI with Polygraph required.
Python, Flask, Django, FastAPI, SQL, SQLAlchemy, JavaScript, TypeScript, CSS, React, Angular, Vue, AWS, Containers
3w
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Full Stack Software Engineer (Full Stack Developer All levels)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEU.S. eligibility required; STEM bachelor's preferred; 1+ years full‑stack experience with React, TypeScript/JavaScript and backend in Python/C++/Rust; experience with REST/GraphQL/gRPC, WebSockets, distributed systems, CI/CD, and testing.
TypeScript, JavaScript, React, Python, C++, Rust, HTML, CSS, WebSockets, REST, GraphQL, gRPC, Git
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