I will debug and fix react node or mern stack application bugs

F
faahadshahzad
F
faahadshahzad
Fahad S
debug and fix react node or mern stack application bugs
Full Screen
debug and fix react node or mern stack application bugs
Full Screen
Full Screen
debug and fix react node or mern stack application bugsdebug and fix react node or mern stack application bugsdebug and fix react node or mern stack application bugs

About this gig

Struggling with a Blank Screen or an Unhandled Runtime Error? Let's Fix It Now!

As an experienced Full-Stack MERN developer, I know how frustrating it is when your code crashes right before deployment. Whether it's a TypeError: Cannot read properties of undefined, a sneaky Mongoose schema validation failure, or a double-routing Axios 404 blockI am here to dive deep into your codebase and trace the root cause.

What I can fix for you:

  • Frontend (React): Infinite loops in useEffect, safe state mutations, conditional rendering crashes, and form inputs tracking.
  • Backend (Node/Express): Broken server controller logic, route path overlaps, and middleware authentication dropdowns.
  • Database (MongoDB/Mongoose): Dynamic parsing cast-errors, enum mismatches, atomic updates, and missing required properties hooks.

Drop me a message with your console error log, and let's get your system back to 100% pristine operational state!

  • Platform

    • Custom

  • Website type

    • Business
    • Landing page
    • Education
    • Saas
    • Portal

  • Programming language

    • JavaScript
    • TypeScript
    • HTML & CSS
    • Bootstrap
    • jQuery
    • React
    • Laravel
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Get to know Fahad S

Fahad S

MERN Stack Developer

  • FromPakistan
  • Member sinceJun 2026

  • Languages

    Urdu, English
I am a dedicated MERN Stack Developer with a passion for building impactful digital solutions. I enjoy working across the full stack, from designing responsive frontends in React to developing secure and scalable backend systems with Node.js and Express. I continuously learn and adapt to new technologies, and I believe in writing clean, efficient, and maintainable code.

My Portfolio

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