react developer freelancer for supabase postgres apps nextjs development company back end developer nextjs seo optimization react signals state management react suspense data fetching react devtools ai assistant react wasm integration react micro-frontends react component-driven development zustand react state library seo expert for hire node.js development modern web design https://junglekingpinball20248.collectblogs.com/81085711/top-latest-five-developer-software-careers-urban-news