freelancer for firebase firestore apps nextjs developer for hire react compiler optimization website development freelancer for design to code website design responsive web design freelancer for headless ecommerce sites react query data fetching freelancer for langchain agent apps react 18 features react development angular development freelancer for heroku apps https://gunnertosgi.blogscribble.com/36524456/5-tips-about-web-developers-vs-software-developers-you-can-use-today