I will build, fix and optimize your react js and next js web app


Over deze dienst
Is your React or Next.js app slow, buggy, or not production-ready? Maybe you built it using AI tools like Lovable, Replit, Bolt, v0, or Cursor, and now need a developer to fix bugs, clean up the code, and make it production-ready. Or you need a React/Next.js app built from scratch, a Figma design converted to code, or an existing project improved. Either way, I can help.
Frontend developer with 3+ years building, fixing, and optimizing React.js and Next.js apps clean code, responsive UI, strong performance, scalable architecture.
WHAT I CAN HELP WITH
- Build React/Next.js apps from scratch
- Fix bugs, errors, broken functionality
- Stabilize AI-generated code (Lovable, Replit, Bolt, v0, Cursor)
- Convert Figma/PSD designs into pixel-perfect code
- Improve speed, Core Web Vitals, performance
- Fix responsiveness issues across devices
- Integrate REST APIs, auth, third-party services
- Refactor messy code into maintainable structure
- Connect frontend with Node.js, .NET, Firebase, Supabase
Send your project details or repo I'll tell you exactly what it needs.
Maak kennis met Usama
Full Stack Web and App Developer
- Afkomstig uitPakistan
- Lid sindsjun 2022
- Laatste levering1 jaar
Talen
Urdu, Engels, Sindhi, Duits
Mijn portfolio
Veelgestelde vragen
Can you fix an app I built using AI tools like Lovable, Bolt, or v0?
Yes! I regularly clean up and stabilize AI-generated code, fix bugs, and make it production-ready.
Do you only work with AI-generated projects?
No, I build traditional React/Next.js projects from scratch too, including Figma-to-code conversions.
What do you need from me to get started?
Your project repo/files or Figma link, and a brief description of what needs to be fixed or built.
Do you work with backend integrations?
Yes, I can connect your frontend with Node.js, .NET, Firebase, or Supabase.
How do you price your work?
Message me with your project scope for an accurate quote pricing depends on complexity.
1 reviews van deze dienst
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M michaldohnalek

Tsjechië
Lopende samenwerkingUsama was very patient, even with my limited availability. He delivered exactly what was required and always met the deadlines. The final result was bug-free and exceeded my expectations. He went above and beyond to ensure everything worked perfectly. I highly recommend working with him!
US$ 100-US$ 200
Prijs
3 weken geleden
Looptijd
U 
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1 reviews van deze dienst
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
M michaldohnalek

Tsjechië
Lopende samenwerkingUsama was very patient, even with my limited availability. He delivered exactly what was required and always met the deadlines. The final result was bug-free and exceeded my expectations. He went above and beyond to ensure everything worked perfectly. I highly recommend working with him!
US$ 100-US$ 200
Prijs
3 weken geleden
Looptijd
U 
Reactie van de freelancer
Nuttig?

