32 full stack api developer jobs at 25 companies in Hagerstown, MD
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Full-Stack Developer
Leesburg, Virginia, United States
OnsiteFull Time
Cornerstone Chapel: Providing Christian worship services and community outreach programs.
3+ YOEBachelor's degree in CS/IT, 3–5 years full-stack development experience, proficiency in C#, .NET, Microsoft SQL Server, HTML5/CSS3/JavaScript, Git; experience with Rock RMS, REST APIs and on-premise hosting preferred.
Rock RMS, C#, .NET, Microsoft SQL Server, HTML5, CSS3, JavaScript, Git, REST APIs, Proxmox, CEPH
Constellis: Provides private security, tactical training, and risk management services.
Experience building full-stack systems with Python/FastAPI, JavaScript/TypeScript and React, REST APIs, PostgreSQL, Docker, Git; bachelor\u0002s degree in a technical field required.
Unissant: Delivers data analytics and cybersecurity services to government agencies.
5+ YOE5+ years across data engineering and full-stack development; strong Python and SQL; ETL/ELT, API and web app experience; bachelor's degree required; ability to obtain Secret clearance; familiarity with CMMC/NIST practices.
Insight Xcite: A mission-focused consulting firm that supports critical government programs through engineering, technology, cybersecurity, and analytics.
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JS/TS/HTML/CSS) and backend (Java/Python/Node.js) experience, API development, Git, and Agile.
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
5+ YOEBachelor's in CS or related field with five+ years experience; US citizen with CBP Public Trust clearance; Java/JEE and .NET stack; AWS and Agile; teamwork across stakeholders.
Java, JavaScript, Vue.js, C#, NET Core, Web API, Visual Studio Code, Gitlab, xUnit, SonarQube, PostgreSQL, AWS, HARNESS
Echelon Services: Provides IT and security services to federal government agencies.
Requires a Bachelor's or Master's in CS/Software Engineering, ability to pass a Tier 1 DOD background investigation, experience with .NET Core, ASP.NET Core (C#), Angular/TypeScript, REST APIs, Go, Azure Government, containerized microservices, and CI/CD/DevSecOps practices.
.NET Core, ASP.NET Core, C#, Angular, TypeScript, REST APIs, Go (Golang), Azure Government, CI/CD
ASSYST: An award-winning IT firm that provides digital transformation, DevSecOps, cyber security, and AI integration services for government agencies.
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
Axle Informatics: Provides bioscience and IT solutions for biomedical research.
5+ YOEBachelor's in CS/IT, 5+ years Node.js and Angular experience, identity management and application security knowledge, REST API and database experience (MongoDB/MySQL/PostgreSQL), Git, and experience with AI-assisted development tools.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBS in CS or related field; 5+ years web development; React.js; Flask/Express; Python/TypeScript/JavaScript; PostgreSQL; REST APIs; Git; TS/SCI clearance (active)
Laansu: Provides IT services and software development for federal agencies.
5+ YOEBachelor's degree in CS or related field, 5+ years software development with 5+ years Java and web/API experience, relational DB design, frontend (Angular/TypeScript/HTML/CSS), AWS, Docker, CI/CD, Git, microservices.
BTI360: Develops software and AI solutions for national security customers.
Active TS/SCI with Polygraph, experience building production frontend (React/Next.js) and backend (Python frameworks), cloud experience (AWS preferred), CI/CD and Git proficiency, RESTful APIs and databases, strong communication skills, able to commute to Herndon area.
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOEU.S. citizenship required; Bachelor's in computer science; 8+ years software development; front-end with React; back-end with Java, C++ and Python; extensive Linux, CI/CD, REST API and embedded integration experience.
Expedition Technology: Delivering advanced machine learning and signal processing for defense.
5+ YOEU.S. citizen with active TS/SCI clearance, 5+ years professional software engineering experience across front-end and back-end, experience with AWS, Python, modern JavaScript frameworks (TypeScript preferred), Docker, Kubernetes, RESTful APIs, relational databases, Git, and Linux.
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
3+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in software engineering or STEM, 3+ years experience, proficiency with Java/C++/Python, frontend (Vue.js/React), backend (Kafka, APIs), containerized microservices, CI-CD, Git, EM/monitoring tools.
Software Engineer - Full Stack (TS/SCI Clearance Required)
Gaithersburg, Maryland, United States
OnsiteFull Time
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI with polygraph, bachelor's in CS or related, strong full-stack experience with Python/Java/JavaScript, REST APIs, SQL, Django or modern JS frameworks, Git/GitLab, Windows/Linux, and Agile/CI/CD practices.
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOE10+ years Python development, SQL, front-end/full stack, Git, Docker/Kubernetes, RESTful API development, Linux/Unix; Bachelor's in CS +10 years or HS +14 years; active TS/SCI with polygraph required.
Sentrillion: Provides integrated security and surveillance technology for government infrastructure.
7+ YOEU.S. citizenship and CBP background check, BA/BS or equivalent experience, 7+ years full-stack development (React/Angular, SQL/NoSQL), familiarity with LLMs and GenAI, Python/Java/JavaScript/TypeScript, cloud (AWS, Google), API and DevSecOps experience.