I will build fix and optimize your mean or mern stack web application

R
rao_sarvesh
R
rao_sarvesh
Sarvesh R
build fix and optimize your mean or mern stack web application
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build fix and optimize your mean or mern stack web application
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About this gig

Are you facing frustrating bugs, runtime errors, UI broken layouts, or API integration issues on your website or web application? I am here to help you resolve them quickly and efficiently!


I am an experienced Full-Stack Developer with over 5 years of industry experience specializing in modern JavaScript frameworks (React, Angular, Node.js, Express) and database management. I ensure your web app runs smoothly, securely, and without errors.

What I can do For You:

Bug Fixing & Troubleshooting: Resolve runtime errors, broken UI components, state management issues, and console bugs.

API & Backend Solutions: Debug broken RESTful endpoints, fix CORS errors, and set up smooth database queries (MongoDB/SQL).

Authentication & Security: Fix broken JWT flows, role-based authorization, and user session bugs.

Performance & Tweaks: Optimize load speeds, clean up code, and fix responsive layout bugs across devices.

Why choose my service?

5+ years of real-world enterprise development experience.

Clean, efficient, and maintainable code.

Fast turnaround and prompt communication.

Please contact me with a summary of your bug/requirements before placing an order so that we can get started right away

  • Platform

    • Custom

  • Website type

    • E-Commerce store
    • Business
    • Landing page
    • Saas
    • Portal

  • Programming language

    • C#
    • JavaScript
    • PHP
    • Python
    • TypeScript
    • HTML & CSS
    • Bootstrap
    • jQuery
    • React
    • Other
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Get to know Sarvesh R

Sarvesh R

Full stack developer

  • FromIndia
  • Member sinceJul 2026
  • Avg. response time7 days

  • Languages

    English, Hindi
Hi there! I’m Sarvesh Rao, a Senior Full Stack Engineer with 5+ years of experience building scalable web applications. What I bring to your project: • Tech Stack: Node.js, React, Angular, Python (FastAPI/Flask), AWS, Docker, MongoDB & MySQL. • Core Services: Custom SaaS development, microservices APIs, database optimization, and frontend performance tuning. • Proven Results: Scaled enterprise fintech tools and improved web app load speeds by 30%. I pride myself on writing clean, test-driven code and delivering reliable results. Let's discuss your project today!

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