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I will fix react, next js, node js bugs and errors
Kobirul Islam
About this gig
Is your React, Next.js, Node.js, or Express.js application showing bugs, errors, or unexpected behavior?
I will debug and fix bugs in your existing web application by finding the root cause and providing a reliable solutionnot just a temporary fix.
WHAT I CAN FIX
- React.js components, hooks, state & rendering bugs
- Next.js routing, SSR, hydration, build & runtime errors
- Node.js & Express.js backend issues
- JavaScript & TypeScript bugs
- REST API & integration issues
- JWT authentication & authorization problems
- CORS & request/response errors
- MongoDB & PostgreSQL database issues
- Tailwind CSS, responsive UI & layout bugs
- Form validation & data-fetching issues
- Performance & deployment errors
MY PROCESS
1. Reproduce the issue
2. Find the root cause
3. Apply a reliable fix
4. Test the functionality
WHY CHOOSE ME
- Full-stack development experience
- Clean & maintainable code
- Root-cause debugging
- Clear communication
I specialize in React.js, Next.js, Node.js, Express.js, JavaScript, TypeScript, REST APIs, and databases.
Please message me with your issue before placing an order so I can recommend the right package.
Get to know Kobirul Islam
Kobirul Islam
Full Stack Web Developer with AI Powered Development Skills
- FromBangladesh
- Member sinceJul 2021
- Avg. response time2 hours
Languages
Bengali, English, Hindi
Hi, I'm MD Kobirul Islam, a full stack developer specializing in scalable web apps and secure backend systems. I work with a dedicated development team to deliver complete web and mobile solutions. My expertise includes Next.js, React.js, Node.js, Express.js, TypeScript, Prisma, MongoDB, PostgreSQL, REST APIs, JWT authentication, WebSockets, Stripe integration, and AI-powered features. I focus on clean, scalable and production-ready code that helps businesses grow.
My Portfolio
FAQ
What types of bugs can you fix?
I can fix React.js, Next.js, Node.js, Express.js, JavaScript, and TypeScript bugs, including API, authentication, database, UI, routing, runtime, and performance issues.
Can you fix bugs in an existing project?
Yes. I can debug and fix issues in your existing React, Next.js, Node.js, or Express.js application without rebuilding the entire project.
Do you fix API and backend errors?
Yes. I can troubleshoot REST API, Node.js, Express.js, CORS, request/response, authentication, and backend-related issues.
Can you fix MongoDB or PostgreSQL database issues?
Yes. I can help troubleshoot database queries, connection issues, data-related errors, and integration problems with MongoDB or PostgreSQL.
Will you test the application after fixing the bug?
Yes. I will test the affected functionality after fixing the issue and make sure the fix does not break existing features.
Do you fix Tailwind CSS and responsive UI bugs?
Yes. I can fix Tailwind CSS, responsive design, layout, spacing, styling, and component-related UI issues.
Should I contact you before placing an order?
Yes. Please send me the bug details, error message, screenshot, or relevant code first. I will review the issue and recommend the most suitable package.
Can you fix TypeScript and JavaScript errors?
Yes. I can debug JavaScript and TypeScript errors, including type errors, runtime errors, logic issues, and integration problems.
