Senior Backend Engineer | Java

Opportunity Hybrid (2 days on-site) · Permanent, full-time About the role Offline, air-gapped installations for NATO customers mean your API versioning and backward-compatibility decisions are not technical hygiene, they are the difference between a fleet that can operate and one that cannot. The backend services you design and maintain run in constrained, version-locked environments where an incompatible release cannot simply be rolled back over a network connection. Beyond feature delivery, this role carries real technical leadership weight: you will help set Java coding standards, guide architectural decisions, and mentor engineers across the Backend Engineers chapter, with an explicit goal of distributing knowledge rather than concentrating it.…