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

U
usama_2022
U
usama_2022
Usama
5,0
5,0
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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

Usama

Full Stack Web and App Developer

5,0(36)
  • Afkomstig uitPakistan
  • Lid sindsjun 2022
  • Laatste levering1 jaar
  • Talen

    Urdu, Engels, Sindhi, Duits
I'm a Full Stack Web Developer specializing in React.js, Next.js, and TypeScript, with backend experience in Node.js and modern API integration. I've completed 25+ projects on Fiverr, helping businesses launch web applications that load fast, rank well on Google, and convert visitors into customers. What I bring to every project: - Clean, maintainable code built for performance and scale - SEO-friendly, mobile-first design - Clear communication and on-time delivery - Post-launch support so your product keeps running smoothly Let's build something that works as well as it looks.

Mijn portfolio

Reviews

1 reviews van deze dienst
5,0

(1)
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Specificering van de beoordeling
  • Communicatieniveau van de freelancer
    5
  • Kwaliteit van de levering
    5
  • Waarde van de levering
    5
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Meest relevant
  • M

    michaldohnalek

    CZ

    Tsjechië

    Lopende samenwerking
    5

    Usama 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

    Nuttig?
    Ja
    Geen
Reviews

1 reviews van deze dienst
5,0

(1)
(0)
(0)
(0)
(0)
Specificering van de beoordeling
  • Communicatieniveau van de freelancer
    5
  • Kwaliteit van de levering
    5
  • Waarde van de levering
    5
Sorteer op
Meest relevant
  • M

    michaldohnalek

    CZ

    Tsjechië

    Lopende samenwerking
    5

    Usama 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

    Nuttig?
    Ja
    Geen