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I will fix one reproducible node js API bug with regression tests
Shivansh Jain
About this gig
A broken endpoint can block the rest of your app. I will investigate one reproducible Node.js API bug and deliver a focused, tested repair.
Message me first with a redacted error, expected versus actual behavior, Node version and minimal reproduction. We agree the endpoint, acceptance cases and safe test environment before ordering.
You receive a source patch, regression tests for agreed success and failure cases, a cause summary and rollback instructions. Suitable examples include pagination logic, response mapping and input validation. One review covers agreed-scope corrections; in-scope defects will be remedied.
This is one bounded repair, not a new backend or an all-app fix. No production deployment, security audit, penetration testing, payment-system changes or account recovery. No passwords, tokens or personal customer data: use synthetic data and restricted test access.
Portfolio examples are constructed demonstrations, not client results. I use AI assistance with my own review and contribution. Discuss tool preferences before ordering; a non-AI workflow is not promised.
Get to know Shivansh Jain
Shivansh Jain
n8n repair, API bug fixes, userscripts and CSV data cleanup
- FromIndia
- Member sinceNov 2026
Languages
English
I repair n8n workflows, fix Node.js API bugs, customize Tampermonkey userscripts, and clean CSV data. Each service starts with agreed scope and acceptance checks, then delivers documented changes and test evidence or a change log. At Winspire Tech, I worked on 14 Java/Spring Boot REST endpoints and wrote 85 JUnit/Mockito tests. I am pursuing a B.Tech in CSE (AI/ML), graduating in 2027. Portfolio demonstrations use synthetic data, not claimed client results. I use AI assistance with my own review and contribution. Message me with a redacted sample or reproducible issue before ordering.
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FAQ
What does the $30 package include?
One reproducible bug in one existing Node.js API endpoint, a focused source patch, regression tests for agreed cases, a cause summary and rollback notes. It does not include a new backend, unrelated bugs or production deployment. Message me first to confirm scope.
What should I send before ordering?
Send a minimal runnable example, Node version, reproduction steps, redacted error, and expected versus actual output. Use synthetic test data and remove passwords, tokens and customer data. We agree the endpoint, acceptance cases and safe test environment before ordering.
