Backend Developer Job Openings in District of Columbia — Search & Apply

Castalia Systems is seeking an Application Developer Mid (Foundational Services) to join our Foundational Services team at JBAB, DC. The role requires TS/SCI clearance...

Vantor is hiring a Senior Software Engineer to join our Services team, delivering high‑performance API‑driven services and data‑ingest pipelines for FMI programs. You...

Tech Digital Group is seeking an API - focused engineer to design, develop, and deploy scalable RESTful and GraphQL APIs within a microservices framework. You will...

B&A is seeking a Java/Jakarta and Database Developer to join a contract with a federal government client in support of an important mission. the developer will be...

Position: Senior Backend Engineer for Secure Systems Modernization - Big Bear.ai is seeking a backend engineer to modernize and connect mission - critical systems for...

Position: Cybersecurity Specialist (RMF and IL - 6) - Tuknik Government Services, LLC a Koniag Government Services company, is seeking a Cybersecurity Specialist (RMF...

We are looking for an experienced GraphQL Full Stack Developer with strong expertise in front - end and back - end development. The ideal candidate should have...

Senior Forward Deployed Engineer# Careers## Senior Forward Deployed Engineer Apply: - Onsite Only: - Washington, District of Columbia, US: - Full time: - Posted Today:...

We are seeking a Senior Full - Stack Developer with a strong background in building and architecting complex, data - driven systems. In this role, you’ll design and...

Position: Backend Software Engineer — APIs & SDKs (Kubernetes) - Swoop Technologies is seeking a backend software engineer to design and build scalable APIs,...