I will debug and optimize your react node express mongodb website

N
nizouremi
N
nizouremi
Nizou
debug and optimize your react node express mongodb website
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debug and optimize your react node express mongodb website

About this gig

Is your MERN stack application crashing, or are annoying bugs slowing you down? Do not worry, I am here to help you fix them right now!


As a dedicated MERN Stack Developer, I specialize in troubleshooting, debugging, and optimizing web applications. Since I am building my profile on Fiverr, my absolute priority is your 100% satisfaction. I offer fast delivery and unlimited revisions at an affordable price.


What I can fix for you:

- React JS: State management (Redux/Context), hooks, rendering issues, responsive UI layout.

- Node JS & Express: API route crashes, CORS errors, middleware issues, auth failures.

- MongoDB: Connection drops, schema validation errors, mongoose queries.

- Authentication: JWT, bcrypt, login/signup system bugs.

- Deployment: Fast troubleshooting for Vercel, Netlify, Render, or Heroku.


Why choose me?

- Ultra-fast communication and response time.

- Clean, well-documented, and production-ready code.

- 100% Money-back guarantee if the bug is not completely resolved.


Please send me a message BEFORE placing an order so we can analyze the error together. Let's get your website running perfectly!



  • 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 Nizou

Nizou

Software Engineer

  • FromMorocco
  • Member sinceOct 2020
  • Avg. response time1 hour

  • Languages

    English, French
Remote Full-Stack Developer holding a Master’s degree in Software Engineering, with solid professional experience in building scalable web and mobile applications. Expert in the MERN stack (MongoDB, Express.js, React, Node.js) with a strong focus on high-performance, real-time features using Socket.io. Proven track record of managing the entire development lifecycle, from architectural design to cloud deployment. portfolio on :https://mern-full-stuck-social.onrender.com---pseudo: Demo/ password: Demo12345

My Portfolio

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