Senior API Developer

Job description

General information Requisition #: R66665: Locations: USA-VA-Chantilly: Posting Date: 03/26/2026 Security Clearance Required: TS/SCI w/ Poly: Remote Type: Onsite: Time Type: Full time: Description & Requirements: Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH! MANTECH seeks an experienced Senior API Developer to design, build, and maintain mission-critical integrations using MuleSoft. You will be a key member of a six-person team supporting the integration, deployment and production sustainment of the MuleSoft Private Cloud Edition (PCE) solution supporting a key Intelligence Community (IC) customer. This position is based in Chantilly, VA In this hands-on role, you will apply API-led connectivity principles to connect diverse enterprise systems, inclu...