I will develop replit ai custom web app backend logic api integration code cleanup


About this gig
Need a clean, reliable backend for your Replit web app? I'll develop custom backend logic, integrate external APIs, and clean up messy code so your app runs faster, more secure, and production-ready. I fix authentication, data syncing, webhook handling, and optimize endpoints for performance and stability. Whether it's Node, Python, or full-stack logic, you'll get tested routes, clear error handling, and a maintainable codebase, ready to scale or deploy. Perfect for founders, startups, and devs who want professional backend work without the headaches.
My Services Include
- Replit backend development
- Custom api integration Replit
- Replit code cleanup
- Backend logic node replit
- Python backend Replit
- Replit webhook handler
- Replit auth implementation
- Replit database sync
- Replit performance optimisation
- Replit rest api build
- Replit GraphQL integration
- Replit async bug fix
- Replit endpoint security
Why Choose Me
- Real full-stack Replit experience and production deployments
- I fix root causes, refactor messy code into maintainable logic
- Clean, tested endpoints and secure API patterns
Send your repo and the failing endpoints. I'll clean the code and deliver a tested backend.
Get to know Thompson G
Professional Replit Expert Professional Vibe coding Expert
- FromUnited Kingdom
- Member sinceNov 2025
- Avg. response time1 hour
Languages
English
FAQ
Do you write tests?
Yes, smoke/unit tests for critical endpoints are included in Standard+.
Which backends do you support?
Node (Express/Fastify), Python (Flask/FastAPI), and common DBs (Postgres, Mongo, Supabase).
Do you need full repo access?
Yes, repo + Replit/project access (or export) lets me reproduce and fix issues.

