I will build or fix your node js nestjs rest or graphql API

O
osmgounaya
O
osmgounaya
Oussama Gounaya
build or fix your node js nestjs rest or graphql API
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build or fix your node js nestjs rest or graphql API

About this gig

Need help building, fixing or improving your Node.js backend?


Im a Senior Software Engineer with 7+ years of professional experience building production applications and enterprise platforms.


I can help you with:

  • Node.js & NestJS development
  • REST API development
  • GraphQL APIs & resolvers
  • TypeScript
  • PostgreSQL, MongoDB & Redis
  • Authentication with JWT / OAuth2
  • Third-party API integrations
  • Bug fixing & debugging
  • Performance optimization
  • Microservices
  • Docker
  • Unit & integration testing
  • Existing codebase improvements


My professional experience includes large-scale software projects for companies such as AXA, Carrefour and Leroy Merlin.

I focus on clean, maintainable and production-ready code.


Please contact me before ordering if your project involves multiple services or a large existing codebase so I can recommend the appropriate package.

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Programming language

    • JavaScript

  • Frontend framework

    • Next.js
    • React.js

  • Backend framework

    • Express.js
    • NestJS
    • Next.js
    • Node.js

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

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