Subaru

⚪Unreviewed

Posted

2026-10-31T17:20:09.000000Z

[Position]: Backend Developer — Java / Spring Boot, API bug fixing & REST API development
[Programming Languages]: Java 17, SQL, TypeScript, JavaScript (Vue 3)
[Years Experience]: 7 months, production ERP (Java/Spring Boot, incident resolution, SQL diagnostics)
[Previous Projects]:
- Multi-tenant financial management API — 34 endpoints across 7 controllers, RBAC with 5 roles, per-company tenant isolation, JWT in HttpOnly cookies, Flyway migrations, soft delete for auditable history. github.com/MatheusCristophi/ERP-Financeiro-Backend · github.com/MatheusCristophi/ERP-Financeiro-Fontend
- Production ERP: log and data-driven diagnosis, root-cause tracing, fix and ship. Commit explains what was actually wrong, not a try/catch on the symptom.
[Availability]: Weekdays 18h–23h UTC-3 (overlaps US East afternoons) and weekends, up to 25h/week. Reply within 3h. Async and text-first — written English only, so nothing gets lost in a call.
[Other Info]: Fixes: 500s, NullPointer, unhandled exceptions, bogus 401/403, JWT and Spring Security misconfig, broken role checks, N+1 and missing indexes, data repair via SQL (PostgreSQL, Firebird). Builds: REST APIs with Spring Security, JWT, RBAC, Flyway migrations, DTO layer, third-party integration, Docker, JUnit/Mockito. Written scope and deadline before any code; fixes 50% on approval / 50% on delivery, builds 40/40/20. Diagnosis $30–40/h (1h min, quote before changes). APIs from $350. github.com/MatheusCristophi · linkedin.com/in/matheuscristophi · DM or matheuscr909@gmail.com