react server components freelancer for supabase postgres apps freelancer for app refactoring and cleanup back end developer fullstack dev website development full stack web developer website design dotnet core development web design company react recoil state management freelancer for machine learning integration technical seo services web design and development https://buypinballmachine03580.smblogsites.com/36361038/new-step-by-step-map-for-software-developer-vs-web-developer