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I will fix any react, nextjs, node, javascript, HTML or CSS bug
Sandip Kumar
About this gig
I specialize in quick and reliable bug fixes for modern web applications.
I will fix any React, Next.js, Node.js, JavaScript, HTML, or CSS bug with clean, efficient, and production-ready solutions. As a full-stack developer, I diagnose issues fast and deliver fixes that are stable, optimized, and maintainable.
What I Can Fix
React component errors
Next.js server/client issues
Node/Express backend bugs
JavaScript logic or runtime errors
HTML/CSS layout, styling, or responsiveness issues
API integration problems
Build errors, deployment issues, console warnings
Performance issues & UI glitches
Why Choose Me?
⭐ Full-stack developer (React, Next.js, Node)
⭐ Fast diagnosis + quick delivery
⭐ Clean, readable, maintainable code
⭐ Friendly communication
⭐ Free advice on improvements
⭐ 100% bug fix guarantee
What You Need to Provide
- Description of the bug
- Code access (GitHub repo or ZIP)
- Steps to reproduce
Get to know Sandip Kumar
Sandip Kumar
- FromIndia
- Member sinceJul 2025
Languages
English, Hindi
🚀 Professional MERN Stack Developer | Full-Stack Web Apps | Scalable & Responsive Solutions
Looking to build a modern, high-performance web application? I'm a passionate MERN Stack Developer (MongoDB, Express, React, Node) with experience crafting clean, scalable, and secure full-stack solutions. I specialize in:
✅ Custom Web Applications
✅ REST API Integration
✅ Authentication & Dashboards
✅ Performance Optimization
✅ Bug Fixes & Code Refactoring
Client satisfaction and clean code are my priorities. Let's build something amazing together!
Other Software Development Services I Offer
FAQ
What type of bugs can you fix?
I fix all major issues including: UI/UX issues,Component or state errors in React/Next.js, API errors (fetch, Axios, backend responses), Routing issues, Node/Express server errors, Build errors & package conflicts, Slow page performance.
What technologies do you work with?
I work with React, Next.js, Node.js, JavaScript, TypeScript, HTML, CSS, Express, and REST APIs. I can fix bugs, improve performance, clean code, and optimize your frontend or backend application.
What do you need to start working?
A clear description of the bug, Project source code or GitHub repo, Login access (if the bug is on a hosted site), Screenshots or error logs, Providing more details helps me fix the issue faster.
Will my project code stay private?
Absolutely. I maintain 100% confidentiality, and I never share, reuse, or store your project code. Your data and website are safe.
Can you fix bugs in large or complex projects?
Yes. I handle both small issues and complex production-level bugs in enterprise React/Next.js/Node applications.
Will you explain the issue after fixing it?
Yes. I provide a clear explanation of the bug, why it happened, and how it was fixed so you can avoid similar issues in the future.
What if the bug comes back?
If the same issue reappears due to the original cause, I fix it for free within the support period included in your package.
