Why Code Works Locally but Fails in QA or Production – A Situation Most Teams Have Faced

A feature was completed and tested locally. Everything looked good.  The APIs were working, responses were correct, and there were no visible errors. Confident with the results, the code was pushed and deployed to QA.  But after deployment… things didn’t go as expected.  An API started failing. A few functionalities stopped working. Something that worked perfectly just […]