mern stack developer full stack web developer react micro-frontends react component-driven development freelancer for biometric time tracking jotai state management react query data fetching freelancer for langchain agent apps freelancer for whisper api transcription react hydration strategies website performance optimization flask development php development react native worklets mul... https://stern-pinball-machine-lis14791.blogunok.com/36500518/software-developers-list-fundamentals-explained