react streaming ssr freelancer for app refactoring and cleanup nextjs seo optimization mern stack development company freelancer for design to code hire full stack developer freelancer for pixel perfect development dotnet core development freelancer for biometric time tracking jotai state management react hook form performance forms react 18 features https://king-of-the-hill-pinball69124.thechapblog.com/35449558/web-developer-apprentice-secrets