Sr. Software Engineer (Microservices, C++, Linux)

Job Description Make an Impact on Mission-Critical Security Technology We’re seeking a Senior Software Engineer to join a high-impact team supporting advanced, network-connected security screening systems. This is a hands-on role focused on stabilizing and enhancing production systems while contributing to next-generation (greenfield) capabilities. If you enjoy solving complex problems, improving real-world systems, and working across engineering disciplines—this role offers a strong balance of ownership, technical depth, and visible impact. What You’ll Do Architect and deliver new features that coordinate across multiple systems, designing secure and reliable inter-service communication to support them. Own and enhanceexisting production codebases Contribute totargeted greenfield developmentas new capabilities are introduced Supportsoftware releases, debugging, and issue resolutionin production environments Partner withsystems, test, field, and manufacturing teamsto resolve integration challenges Create and improvetechnical documentationto support long-term system sustainability What You Bring Experience withmicroservices architectures , including: REST APIs, gRPC/protocol Buffers Message brokers Containerization Securing communications channels. Experience inC++ , including multi-threading. Proven background working inLinux environments(must-have) Experience supportingdistributed / networked systems in production Comfortable working in and improvingestablished codebases What Sets You Apart Experience balancingsystem sustainment and new development Strongdebugging, code review, and system-level problem-solving skills Background incomplex, integrated environmentswhere uptime and reliability are critical Ability tooperate independentlywhile influencing technical direction Passion for improvingdocumentation and knowledge continuity Why This Role Work onreal-world, mission-critical technology High visibility across cross-functional teams Blend ofstability work + forward-looking innovation