Full Stack Developer (Java Services)

*Role: Full Stack Developer (Java Services)* *Company: Arch systems* *Client: ACF OHS* *Location: Remote* *Type: Full-time* *Requirements:* _*Federal experience is mandatory*_ _*Candidates with clearance will be preferred.*_ A full-stack engineer specializing in Java 11+/Spring/Tomcat who supports UI/integration as needed. You design OpenAPI-first REST with solid validation/error semantics, idempotency, and tuned performance; instrument with Otel; visualize in New Relic; and optimize PostgreSQL/SQL Server. You own runbooks, safe migrations, and resilience patterns. Success = stable, observable services that hit SLOs. *What you’ll do* * Build OpenAPI-first endpoints in Java 11+/Spring/Tomcat with validation/errors/idempotency. * Write JUnit unit/integration/contract tests; maintain realistic fixtures. * Tune pools/caching/statements; fix N+1; coordinate indexes/partitioning with DBAs. * Implement timeouts/retries/circuit breakers/bulkheads; measure with Otel. * Secure endpoints; integrate DevSecOps scans; maintain runbooks & SLO dashboards. * Plan expand/contract migrations; support blue-green/canary; own rollback criteria. * Drive PR/design reviews; improve CI speed/reliability; estimate/surface risks. * Full-stack support: collaborate with UI; stabilize E2E; refine contracts. *Minimum Qualifications* Meets Core Full-Stack baseline; 4+ years Java 11+/Spring; strong SQL. *Preferred Certifications* Oracle OCP Java SE, Spring Pro; AWS/Azure Developer Associate. Job Type: Full-time Pay: $100,000.00 - $125,000.00 per year Application Question(s): * Do you have a TS or Secret or Public Trust clearance? Experience: * Federal US Govt.: 2 years (Preferred) Work Location: Remote