Backend API / Microservice Feature Delivery
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Book me for 1 hour to ship a small backend task or unblock you fast. I work in Java (Spring Boot) and Python (FastAPI). Great for (within 1 hour) Add/fix 1 endpoint or small feature Fix a bug + explain root cause Improve a slow query / performance issue Add validation / error handling Write or fix tests (JUnit / pytest) Debug deployment/runtime errors What you get Working code + quick notes on what changed PR/patch if you share a repo Clear next steps if it needs more time Before we start (send this) Repo link or code snippet + goal Error logs / endpoint spec How to run the project locally
Book me for 1 hour to quickly debug and fix urgent backend issues in Java (Spring Boot) or Python (FastAPI/Flask/Django). Ideal for production errors, broken endpoints, failing builds/tests, performance issues, and deployment problems. What’s included (in 1 hour) Fast diagnosis using logs/stack traces Fix for one high-priority bug (or a clear workaround) Patch/PR if repo access is provided Short root-cause summary + next steps Optional: add a small test/guardrail if time allows Common issues I handle 500 errors, exceptions, timeouts Database/query bugs (SQL) Auth/JWT issues Webhooks/integrations failing Docker/CI failures Flaky tests / broken builds Slow API endpoints (basic profiling + quick wins) What I need from you (to start immediately) Repo link or code snippet Error message + logs + steps to reproduce Environment details (Java/Python version, DB, Docker, etc.)
Backend engineer (Java/Python) focused on shipping API features. Spring Boot + FastAPI, microservices, DB integrations, tests, and Swagger/OpenAPI docs. Fast turnaround, clean code, and merge-ready PR.