@capacitadev: Your API isn't slow because of your code. It's slow because of the trade-offs your architecture made before you wrote a single line: cache placement, connection pooling, pagination strategy, and seven more decisions like them. None of them has a universally right answer. Senior-level performance work isn't finding the fastest option, it's knowing exactly which cost you can afford to pay for your actual traffic pattern. Read the full breakdown at capacitadev.io. #softwareengineering #apidesign #systemdesign #softwarearchitecture #seniorengineer