Syed H.

Need aBase44 developer to fix, finish, or migrate an existing app? I rescue applications built wit, Base44, Replit, and Bolt — and turn broken prototypes into stable, production-ready products. Top Rated Plus | 100% Job Success | 97 Upwork jobs | 5.0 from 79 reviews | $50K+ earned I specialize in improving existing AI-built applications—not generic website development. Hire me when: ✓ Your Lovable app has Supabase, RLS, authentication, Stripe, or deployment problems ✓ Your Base44 app is buggy, incomplete, or needs to be migrated ✓ Your Replit app works in preview but fails after publishing ✓ Your Bolt, v0, or Cursor project needs a real developer to finish and ship it ✓ Prompts keep fixing one feature while breaking another ✓ You need clean, maintainable code your next developer can understand ✓ You need to move an app to React, Next.js, Supabase, Vercel, or another production stack SERVICES - Lovable app bug fixing and production deployment - Base44 app debugging, improvement, and migration - Replit app rescue and deployment - Lovable/Base44 to Next.js + Supabase migration - Supabase authentication and Row-Level Security fixes - Stripe checkout, subscriptions, and webhook integration - API and third-party integrations - Database cleanup and migration - Performance and security hardening - React and Next.js code cleanup - Production deployment and technical handoff HOW I WORK 1. I inspect your existing application and identify the root cause. 2. You receive a clear, fixed-scope repair plan. 3. I fix and test the critical user flows. 4. I deploy the application and provide clean handoff documentation. My regular stack includes Lovable, Base44, Replit, React, Next.js, Node.js, Supabase, PostgreSQL, Stripe, Vercel, Railway, and REST APIs. Send me: - The platform you used - Your application URL - The current problem - Whether repository access is available I will tell you the most likely cause and the best next step.