$90,000 - $103,000 yearly
Castellum Inc
Alexandria, VA, USA
JOB SUMMARY We are seeking a CSD Back End Software Engineer to support secure software development efforts for a government client. This role focuses on designing, developing, and maintaining back-end systems in support of mission-critical and classified environments. The ideal candidate has strong software engineering fundamentals, experience working across multiple operating systems, and holds required certifications and an active TS/SCI clearance. Client acceptance is required for this position. RESPONSIBILITIES Design, develop, test, and maintain secure back-end software systems Support secure software development lifecycle (SSDLC) processes and best practices Develop and maintain APIs, services, and application logic in support of mission systems Collaborate with cross-functional teams including security, operations, and system engineers Troubleshoot, debug, and optimize backend services in Linux and Windows environments Ensure software complies with government...