Yi Zang

Release QA catches the last-minute regressions that smoke checks miss. I combine critical web flows with a focused API regression slice, verify fixes, and return a severity-ranked report with evidence and a release recommendation. 48-hour package: https://contra.com/s/OgrOY2Pb-48-hour-release-qa-and-api-regression-package

API smoke QA works best when the first pass covers contract boundaries: auth failure, missing fields, invalid IDs, duplicate requests, rate-limit behavior, and error payloads. I document request and response evidence and prioritize defects by release risk. Available for a...

A small release QA lesson: the costly failures are often in state transitions, not the happy path. I start with refresh during payment, expired sessions, API timeouts, duplicate submissions, and reconnect behavior, then return reproducible evidence with clear severity. I have a...

I have opened a small, low-cost QA slot for founders who want one last check before a demo or release. For $15, I review one web flow within 24 hours and send a concise pass/fail note with reproducible defects, severity, and evidence. If you have a checkout, signup, onboarding,...