freelancer for app refactoring and cleanup nextjs seo optimization mern stack development company hire full stack developer react edge computing react micro-frontends react component-driven development react recoil state management freelancer for openai integration technical seo services node.js development angular development website performance optimization react memoization optimiz... https://how-much-do-web-developer11111.bloggerswise.com/44013479/software-developer-kerja-apa-no-further-a-mystery