freelancer for firebase firestore apps front end developer nextjs developer for hire react compiler optimization freelancer for multi-tenant saas apps react devtools ai assistant web development company react component-driven development jotai state management react query data fetching python web development freelancer for whisper api transcription freelancer for ai assistant https://erickqqgkx.ampedpages.com/not-known-factual-statements-about-software-developer-kerja-apa-63253149