Senior Software Engineer (Backend) U.S. Citizenship Required | TS/SCI Eligible We're hiring a Senior Software Engineer (Backend) to support mission-critical, high-impact systems that directly serve real-world end users. This role is ideal for an experienced backend engineer who enjoys building scalable RESTful APIs, working in Linux environments, and contributing to national security and geospatial intelligence missions. You'll join a collaborative, Agile team delivering modern software solutio