full stack development react concurrent mode freelancer for responsive landing pages react compiler optimization mern stack developer react suspense data fetching web programming react edge computing dotnet mvc developer nextjs app development seo expert for hire freelancer for langchain agent apps freelancer for whisper api transcription react development react https://kingofthejunglegame02456.bloggerchest.com/36357943/new-step-by-step-map-for-software-developer-vs-web-developer