Sr. Software Engineer (Microservices, C++, Linux)
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Key details
- Location
- Salem, NH, United States
- Work style
- Onsite
- Level
- Senior
- Job type
- Full-time
- Function
- Software engineering
- Focus area
- Backend
- Posted
- 1w ago
Skills
About the role
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 enhance existing production codebases
- Contribute to targeted greenfield development as new capabilities are introduced
- Support software releases, debugging, and issue resolution in production environments
- Partner with systems, test, field, and manufacturing teams to resolve integration challenges
- Create and improve technical documentation to support long-term system sustainability
What You Bring
- Experience with microservices architectures, including:
- REST APIs, gRPC/protocol Buffers
- Message brokers
- Containerization
- Securing communications channels.
- Experience in C++, including multi-threading.
- Proven background working in Linux environments (must-have)
- Experience supporting distributed / networked systems in production
- Comfortable working in and improving established codebases
What Sets You Apart
- Experience balancing system sustainment and new development
- Strong debugging, code review, and system-level problem-solving skills
- Background in complex, integrated environments where uptime and reliability are critical
- Ability to operate independently while influencing technical direction
- Passion for improving documentation and knowledge continuity
Why This Role
- Work on real-world, mission-critical technology
- High visibility across cross-functional teams
- Blend of stability work + forward-looking innovation
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