freelancer for firebase firestore apps freelancer for supabase postgres apps nextjs development company freelancer for cross-browser testing website development web design web programming freelancer for headless ecommerce sites freelancer for biometric time tracking nextjs app development react hook form performance forms responsive web design freelancer for netlify functions setup https://louisqnjdx.blogsumer.com/35536541/the-ultimate-guide-to-software-developers-in-dubai