I will fix nestjs, nextjs, react and nodejs bugs

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Sai Kumar
fix nestjs, nextjs, react and nodejs bugs
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fix nestjs, nextjs, react and nodejs bugs

About this gig

Stuck on a bug that's eating your time? I debug and fix backend and frontend issues in NestJS, Node.js, Next.js and React apps, and I explain what went wrong so it doesn't come back.


What I can fix:

- NestJS errors: dependency injection, guards, pipes, module issues

- Prisma / PostgreSQL problems: slow queries, migrations, relations

- API bugs: failing endpoints, Axios/CORS errors, auth and JWT issues

- Redis and BullMQ queue problems

- React / Next.js state, hooks, rendering and build errors

- Deployment bugs on AWS or Render, plus environment variable issues


How it works:

1. Send me the repo access or code, the error message and steps to reproduce.

2. I confirm the scope and fix it.

3. You get clean, commented code and a short explanation of the root cause.


Not sure if your issue fits? Message me before ordering and I'll tell you honestly.

  • Programming language

    • TypeScript

  • Expertise

    • Debugging
    • Performance
    • Security
    • Design
    • Databases

  • Frontend framework

    • React.js
    • Tailwind CSS

  • Backend framework

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

Get to know Sai Kumar

Sai Kumar
5.0(1)
  • FromIndia
  • Member sinceDec 2024
  • Avg. response time1 hour
  • Last delivery1 year

  • Languages

    Telugu, English, Hindi
I'm a full-stack developer specializing in the MERN stack (MongoDB, ExpressJS, ReactJS, NodeJS). I've built a variety of projects, including a real-time chat app with video/audio calling, an AI-powered fitness app with personalized workouts and diet plans, and a social media platform with user authentication and interactive posts. My expertise lies in creating responsive, scalable web applications with clean code and user-friendly designs. I'm passionate about turning ideas into functional, impactful solutions.

My Portfolio

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