freelancer for firebase firestore apps react streaming ssr back end developer nextjs seo optimization react signals state management freelancer for admin dashboard ui dotnet developer dotnet core development nextjs app development freelancer for openai integration freelancer for langchain agent apps react transitions animations react native web custom software solutions https://pinballmachineforsale22998.newsbloger.com/37045802/examine-this-report-on-software-developers-naics-code