I will fix bugs in nodejs reactjs nextjs and performance optimization

V
vinaykumar4200
V
vinaykumar4200
Vinay kumar
fix bugs in nodejs reactjs nextjs and performance optimization
Full Screen
fix bugs in nodejs reactjs nextjs and performance optimization
Full Screen
fix bugs in nodejs reactjs nextjs and performance optimizationfix bugs in nodejs reactjs nextjs and performance optimization

About this gig

Facing bugs, errors, or performance issues in your React, Next.js, or Node.js application? I'll fix them fast and deliver a stable, production-ready solution not a temporary patch.

If your app is already built but something's broken, throwing errors, or behaving unexpectedly, I'll identify the root cause and resolve it cleanly. I stay with you until the issue is fully fixed, with unlimited revisions to ensure your satisfaction.

What I Fix:

  • React & Next.js errors
  • Node.js backend issues
  • API & database problems
  • Authentication & authorization bugs
  • UI/UX & responsive design issues
  • TypeScript errors
  • Performance bottlenecks (slow load, re-renders, API delays)
  • Build & deployment errors
  • Third-party integration issues

Why Choose Me:

  • Fast, reliable delivery
  • Unlimited revisions until the issue is fully resolved
  • Clean, maintainable, production-ready fixes not workarounds
  • Experience securing and maintaining a live financial platform in production
  • Clear, fast communication throughout

How to Start:

Send me a message with details of the issue, and I'll guide you through everything step by step.

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • AngularJS
    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

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

Get to know Vinay kumar

Vinay kumar

TAGLINE: Full Stack Web Developer Nodejs Nextjs SaaS Architect

  • FromIndia
  • Member sinceFeb 2024
  • Avg. response time1 hour

  • Languages

    Hindi, English
I'm Vinay Kumar, a Full Stack Web & Mobile Developer with 5+ years of experience shipping production apps — including backend systems for a live crypto exchange handling real transactions. I work across React, Next.js, React Native, Node.js, and Tailwind CSS: frontend UI, backend APIs, auth, databases, and deployment. Security and reliability come first for me, not as an afterthought. I take full ownership of projects end-to-end and communicate clearly at every stage, so you always know exactly where your product stands. Let's build something reliable.

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