freelancer for firebase firestore apps nextjs development company back end developer nextjs seo optimization react suspense data fetching react devtools ai assistant react wasm integration dotnet core development web design services freelancer for machine learning integration react development react lazy loading components react ecommerce website laravel development mongodb development https://judahxrifi.dreamyblogs.com/36802476/the-5-second-trick-for-developer-software-engineer-salary