react server components freelancer for supabase postgres apps nextjs development company react automatic batching freelancer for cross-browser testing mern stack development company freelancer for multi-language app support web design company web development services freelancer for ai powered web apps freelancer for openai integration node.js development freelancer for app deployment https://kingofthehillpinball36801.blogsuperapp.com/36971002/examine-this-report-on-software-developers-naics-code