I will fix bugs, deploy, mern, react, node app

A
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A
asum_ahmeddd
Masum A
fix bugs, deploy, mern, react, node app
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fix bugs, deploy, mern, react, node app
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fix bugs, deploy, mern, react, node appfix bugs, deploy, mern, react, node appfix bugs, deploy, mern, react, node appfix bugs, deploy, mern, react, node app

About this gig

Website broken? Features missing? Bugs slowing you down? Let's fix it fast and clean.


Hi, I'm Masum, a MERN Stack Developer with 2+ years of experience solving tough bugs and deploying scalable web applications. Whether it's a broken button, a backend crash, or a failed deployment, I've got your back.


What I Can Fix or Add:

  • React Component Bugs
  • Form & UI Issues (validation, alignment, responsiveness)
  • Redux Toolkit Debugging
  • Backend Issues (Node.js, Express, MongoDB queries)
  • API Errors or Slow Responses
  • Firebase Auth or JWT Problems
  • Hosting & Domain Linking (Vercel/Netlify)
  • Lighthouse Speed Optimization
  • Small feature additions (modals, charts, uploads)


Why Work With Me?

  • Fast Turnaround (within hours for simple fixes)
  • Clean Debugging with Explanation
  • Expert in React, TypeScript, Tailwind, Node, MongoDB
  • Git, CI/CD & Deployment Support
  • 24/7 Availability & Friendly Support


Stop wasting time on bugs I'll handle it while you grow your project.

Contact me first to confirm scope and avoid delays!

  • Platform

    • Custom
Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Masum A

Masum A

3 Yrs Experience, MERN Stack Expert, Full Stack Web App Developer

  • FromBangladesh
  • Member sinceMar 2025
  • Avg. response time1 hour
  • Last delivery1 month

  • Languages

    English
I build high-performance apps using React.js, Node.js, TypeScript & Redux Toolkit. My projects—like AgroDoctor (IoT farming dashboard) and TeamLoom (collab platform)—solve real problems with clean, scalable code. Why do you work with me? Tailored solutions (no templates!), fast & scalable apps, clear communication (zero jargon), on-time delivery, and updating until your satisfaction. Awarded a Black Belt in full-stack dev—I bring precision and passion to your project. Let’s build something powerful & secure!

My Portfolio

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