I will develop fix or improve your react nextjs typescript app

O
osmgounaya
O
osmgounaya
Oussama Gounaya
develop fix or improve your react nextjs typescript app
Full Screen
develop fix or improve your react nextjs typescript app

About this gig

Need an experienced React / Next.js developer to fix or build part of your application?


Im a Senior Full-Stack Engineer with 7+ years of professional software engineering experience.


I can help with:

  • React
  • Next.js
  • TypeScript
  • JavaScript
  • Responsive interfaces
  • API integration
  • Authentication
  • State management
  • React Query
  • Tailwind CSS
  • Material UI
  • Performance optimization
  • Bug fixing
  • Testing
  • Backend integration

I have worked on large-scale applications including insurance and retail platforms with tens of thousands to millions of users.

Whether you need to fix an existing application or implement a new production feature, I focus on maintainability, performance and clean code.

  • Programming language

    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Testing procedures

  • Frontend framework

    • Angular
    • Next.js
    • Nuxt.js
    • React.js
    • Vue.js

  • Backend framework

    • NestJS
    • Next.js
    • Node.js

  • AI & low/no code builders

    • Lovable
    • Bolt.new
    • Claude
    • Co.dev
    • Cursor
    • Bubble

Get to know Oussama Gounaya

Oussama Gounaya

Senior Full Stack and DevOps Engineer Cloud and AI

  • FromFrance
  • Member sinceJun 2017

  • Languages

    English, French, Arabic
Senior Software Engineer with 7+ years of experience building and scaling production applications. I help startups and businesses with React, Next.js, Node.js, NestJS, TypeScript, REST, GraphQL, Docker, Kubernetes, CI/CD and cloud infrastructure. I specialize in full-stack development, backend APIs, DevOps, software architecture and AI integrations. My experience includes large-scale enterprise platforms used by thousands to millions of users. I focus on clean code, reliable systems and production-ready solutions. 📍 Available fully remote worldwide

Other Software Development Services I Offer

Related tags