freelancer for supabase postgres apps react automatic batching fullstack dev website design freelancer for pixel perfect development react micro-frontends dotnet mvc developer reactjs freelancer freelancer for openai integration node.js development react hydration strategies freelancer for heroku apps maintenance freelancer for fly.io deployment ruby on rails hire software developer api https://software-developers-salar71232.getblogs.net/68877997/facts-about-web-developers-jobs-remote-revealed