2mo
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Junior Backend Software Developer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
3+ YOETop Secret/SCI clearance with polygraph; bachelor's degree; 3 years software development; Java, REST, Spring Boot; MongoDB; automated testing.
Java, Spring Boot, MongoDB, REST, Automated Testing
3w
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Backend Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
2+ YOE2+ years backend development experience with Node.js/TypeScript, RESTful APIs, relational databases, Git, testing, and secure coding; strong problem-solving and communication skills.
Node.js, TypeScript, PostgreSQL, JavaScript, NestJS, Fastify, Express, MySQL, Git, Docker, Kubernetes, AWS, Azure, Google Cloud, OAuth 2.0, OpenID Connect, JWT, Drizzle ORM, CI/CD
1w
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Junior Back-End/DevOps Developer
Arlington, Virginia, United States
$75k-$157k/yr RemoteFull Time
4+ YOE4+ years backend development experience (2+ years Python), REST API and Git/GitHub experience, experience with relational or NoSQL databases, ability to obtain Public Trust clearance.
AWS Lambda, SQS, API Gateway, CloudWatch, S3, OpenAPI, RESTful APIs, Terraform, Git, GitHub, PostgreSQL, MySQL, MongoDB, DynamoDB, GitHub Actions, GitLab CI, Jenkins, Docker, FastAPI, Flask, Django, HTML, CSS, JavaScript
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
2+ YOERequires US citizenship and active Top Secret/SCI clearance, Bachelor’s in CS/Engineering/GIS or STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise experience, containerization (Docker/Kubernetes), REST API design.
Esri, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Python, JavaScript, Node.js, Java, REST APIs, Docker, Kubernetes, PostgreSQL, PostGIS, SQL Server, Azure, AWS, GCP
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
2+ YOEActive US citizenship with TS/SCI, bachelor\u0002s degree in STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), API and geoprocessing experience.
Python, Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
2mo
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Mid-Level Backend Software Engineer
Gaithersburg, Maryland, United States
$87k-$157k/yr OnsiteFull Time
2+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor's or master's in computer science/software engineering; 2–8 years experience depending on degree; strong Java or Python, REST API, SQL, and Linux skills.
Java, Python, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure
3w
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOE3+ years software engineering with a technical Bachelor's (or 7+ years experience), strong Java and Spring Boot skills, MongoDB or similar DB experience, and automated testing experience; active TS/SCI with poly required.
Java, Spring Boot, MongoDB, Apache Kafka, Linux, Vue.js
3w
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOEActive TS/SCI with poly clearance, US residence required. Minimum 3 years software engineering experience (or 7 years without a Bachelor's). Strong Java and Spring Boot experience, MongoDB/NoSQL, automated testing, and collaboration with mission customers.
Java, Spring Boot, MongoDB, Vue.js, Apache Kafka, Linux, CI/CD
1mo
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Software Development Engineer II- Back End
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
2+ YOE2+ years backend engineering experience; professional experience with Python, Node.js/JavaScript, and Java; experience with ArcGIS Enterprise, containerization (Docker/Kubernetes), API design, and Top Secret/SCI clearance required; Bachelor's in STEM.
Python, Node.js, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
2mo
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Junior Data Integration Developer
McLean, Virginia, United States
HybridFull Time
1+ YOEBachelor's in CS/SE/IS or related field; 1–2 years backend/API integration; REST APIs; AWS; JS/TS; Docker/Kubernetes; Git/CI/CD.
REST API Development, AWS Cloud Services, JavaScript/TypeScript, React/Angular/Vue.js, Docker & Kubernetes (EKS), AWS Lambda / API Gateway, Data Transformation & Validation, CI/CD Pipelines, Git Version Control
1mo
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Junior Fullstack + AI Developer
Tysons, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years software development experience; familiarity with modern frontend frameworks, backend development (Python/Node.js/Java), REST APIs, relational/NoSQL databases; interest in AI/ML and LLMs; strong communication and problem-solving.
React, Vue, Angular, Python, Node.js, Java, PostgreSQL, MongoDB, PyTorch, TensorFlow, Hugging Face, LangChain, OpenAI APIs, Git, AWS, Azure, Google Cloud, Docker
3w
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AI/ML Engineer (Systems Engineer, Sr)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEU.S. citizen eligible for DoD Secret clearance, 1+ years backend/systems engineering experience, proficiency in Python/C++/Rust, experience with agentic systems, graph data modeling, real‑time pipelines, API design, and secure operations.
Python, C++, Rust, Neo4j, DGraph, ArangoDB, CUDA, REST, GraphQL, gRPC, SOAP, UDP, TCP, Pub/Sub, CI/CD
5d
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Lead Full-Stack Engineer
McLean or Wilmington
HybridFull Time
2+ YOE2+ MgmtBackend-first engineer with hands-on Java/Spring, PostgreSQL, async messaging, React/TypeScript experience and 2+ years leading delivery and mentoring engineers.
Java 21, Java 17, Spring Boot, TypeScript, React, PostgreSQL, Liquibase, SQS, SNS, Kafka, OpenAPI, TanStack Query, Testcontainers, Docker, Kubernetes, AWS, Terraform, Datadog, Redis, Caffeine, MapStruct, Lombok, Maven, Vite, pnpm, Tailwind, Storybook, Playwright, Vitest, MSW, Okta, Cognito, DynamoDB, S3, KMS, Secrets Manager, Camunda, XML, XSD, OAuth2, OIDC, JWT
2mo
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Forward Deployed Engineer
Boston or New York City or Washington
OnsiteFull Time
2+ YOE2+ years in software/forward deployed engineering; backend language (Python, Go, Java, or similar); experience deploying/integrating software; data handling and REST APIs; customer-facing work; eligible for on-site US work.
2w
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Software Engineer II
Tysons, Virginia, United States
$88k-$123k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent experience, 2+ years professional software development, strong OOP skills (C# preferred), backend/SQL experience, familiarity with modern JS frameworks and unit testing.
C#, .NET, SQL Server, Kafka, Ember.js, Angular, React, iOS, Android
3w
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Software Engineer III
Bethesda or Waltham
$112k-$176k/yr HybridFull Time
2+ YOEBackground in backend development with Java and Node.js, experience with Kafka, SQL Server/MongoDB, RESTful APIs, cloud (AWS/GCP), Docker/Kubernetes/ECS, Jira and VS Code; Masters+2yrs or Bachelors+4yrs.
Java, Node.js, NestJS, Kafka, SQL Server, MongoDB, Jira, VS Code, AWS, GCP, Docker, Kubernetes, ECS
2w
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Software Engineer, Mid
Herndon, Virginia, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years in object-oriented programming (Java/JEE), backend frameworks (Spring), API/REST development, Linux experience, ability to obtain DoD 8570 certification (Security+ or CISSP), TS/SCI clearance with polygraph required.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, NiFi, Apache NiFi, PKI, MongoDB, Jira, Confluence, Git, GitLab, Kafka
4d
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Software Engineer, Mid
Chantilly, Virginia, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years OOP (Java/JEE), backend frameworks (Spring/Spring Boot), REST API development, Linux CLI, Top Secret clearance, HS diploma/GED, ability to obtain DoD 8570 certification within 6 months.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, Docker, Kubernetes, MongoDB, Jira, Confluence, Git, GitLab
2mo
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Associate Software (Full-Stack) Developer
Orlando or Washington
$90k-$115k/yr HybridFull Time
1+ YOEBachelor’s degree in Computer Science, Software Engineering, or related field; 1-5 years of relevant experience; backend in Python; frontend with React; strong Git, Docker; familiarity with Linux and Bash; DoD Secret clearance required (or ability to obtain).
Python, React, Git, Docker, Docker Compose, AWS, Linux, Bash
5d
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Full Stack Software Engineer
Herndon, Virginia, United States
$111k-$183k/yr OnsiteFull Time
2+ YOE2–7 years full stack experience; proficiency with frontend and backend languages; experience with dashboards, Power BI/Tableau, and SharePoint; bachelor\u0002s degree required; ability to obtain Secret clearance.
JavaScript, TypeScript, React, Angular, Vue, Python, C#, Java, Node.js, Power BI, Tableau, SharePoint Online, Microsoft 365
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