I will fix bugs in nextjs, react, nodejs and optimize your web app fast

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Faridul Islam

Level 2

fix bugs in nextjs, react, nodejs and optimize your web app fast
Full Screen
fix bugs in nextjs, react, nodejs and optimize your web app fast
Full Screen
Full Screen
fix bugs in nextjs, react, nodejs and optimize your web app fastfix bugs in nextjs, react, nodejs and optimize your web app fastfix bugs in nextjs, react, nodejs and optimize your web app fast

About this gig

Professional Bug Fixing & Code Optimization for Modern Web Apps.

Is your Next.js, React, or Node.js application throwing errors, crashing, or running slow?

Don't waste hours debugging. I'll fix it quickly and professionally.


I specialize in:

  • Fixing Next.js build errors
  • Debugging React rendering issues
  • Solving API & backend bugs (Node.js / Express)
  • Fixing authentication & middleware problems
  • Performance optimization
  • Memory leaks & slow API responses
  • Production deployment issues
  • Vercel / VPS / Server deployment errors
  • Security improvements & API hardening
  • Code refactoring & review


Who This Gig Is For:

  • SaaS founders
  • Startup teams
  • Agencies handling multiple clients
  • Developers stuck on a tricky bug
  • Businesses needing urgent fixes


Why Choose Me?

  • Full-Stack Developer (Next.js, TypeScript, Node.js)
  • Clean, scalable solutions (not quick hacks)
  • Fast communication
  • Quick turnaround
  • Long-term technical support available


I dont just patch the issue I fix the root cause.


Technologies I Work With

  • Next.js 14 / 15 / 16
  • React 18+
  • TypeScript
  • Node.js / Express
  • MongoDB / PostgreSQL
  • REST APIs
  • WebSockets
  • Vercel / AWS / VPS
  • Tailwind CSS


Message me before ordering so we can clarify the issue and ensur

  • Programming language

    • TypeScript

  • Expertise

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

  • Frontend framework

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

  • Backend framework

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

Get to know Faridul Islam

Faridul Islam

Senior Full Stack Engineer, SaaS and Scalable Web and Mobile Apps

4.8(15)

Level 2

  • FromBangladesh
  • Member sinceAug 2022
  • Avg. response time1 hour
  • Last delivery3 months

  • Languages

    Bengali, English, Hindi
I’m Faridul Islam, a Full Stack Architect building enterprise SaaS and AI-driven platforms for serious founders. I design scalable, secure, production-grade systems using Next.js, React, React Native, Node.js, and modern cloud infrastructure. My work focuses on clean architecture, performance, and long-term maintainability. I partner with ambitious startups and scaling businesses that require robust, investor-ready products — not freelance-level solutions.

Other Software Development Services I Offer

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