I will add features or modify your mern web application

S
subratasarker25
S
subratasarker25
Subrata Sarker
add features or modify your mern web application
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add features or modify your mern web application

About this gig

Are you working on a Node.js project and need help adding a new feature, fixing a bug, or modifying your existing API?

Look no further! I will professionally modify your existing Node.js, Express, or MongoDB backend project with clean and secure code.

What I Can Help With:

  • Add new API routes or modify existing ones
  • Connect or update MongoDB models/schemas
  • Implement JWT or session-based authentication
  • Integrate middleware, error handling, logging
  • Add validation (Joi, express-validator)
  • Fix logic, response format, or minor bugs
  • Refactor messy code for better readability

️ I work with production-ready standards, and I respect your existing codebase.

Why Choose Me?

  • 100% clean & tested code
  • Timely delivery
  • Fast communication
  • Experienced in real-world apps (VPS, REST API, Docker etc.)


Check my live portfolio: https://subratasarker.vercel.app

Code samples: https://github.com/subratasarker952


Please contact me before placing the order so I can review your project details.

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Security
    • Databases
    • Testing procedures

  • Frontend framework

    • React.js
    • Bootstrap
    • Tailwind CSS

  • Backend framework

    • Express.js
    • Node.js

Get to know Subrata Sarker

Subrata Sarker

MERN Stack Developer

5.0(1)
  • FromBangladesh
  • Member sinceMay 2025
  • Last delivery1 year

  • Languages

    Bengali, English
I’m a passionate MERN Stack developer with 2+ years of hands-on project experience in building fast, scalable, and responsive web applications using MongoDB, Express, React, and Node. Check out my code on GitHub: https://github.com/subratasarker952 Check out my Portfolio: https://subratasarker.vercel.app I specialize in turning your ideas into fully functional applications with clean code, modern design, and efficient backend systems. I'm committed to delivering high-quality results with excellent communication and on-time delivery. Let’s bring your project to life—together!

My Portfolio

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