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I will fix react js next js and node js bugs and errors
Mizba
About this gig
Is your React JS, Next JS, or Node JS project not working as expected? Whether it's a frustrating bug, broken functionality, API error, or performance issue, I'll identify the root cause and fix it with clean, maintainable code.
I specialize in debugging modern JavaScript applications and resolving issues without introducing new ones. My goal is to deliver stable, production-ready solutions that keep your project running smoothly.
What I Can Fix
- React JS and Next JS bugs
- Node JS and Express JS issues
- JavaScript and TypeScript errors
- API integration and backend errors
- Authentication and authorization problems
- Routing and navigation issues
- UI and responsive layout bugs
- State management (Redux, Context API, Zustand)
- Database and MongoDB issues
- Performance optimization
- Build, deployment, and production errors
- Console errors and runtime exceptions
Tech Stack
- React JS
- Next JS
- Node JS
- Express JS
- TypeScript
- JavaScript
- MongoDB
- Tailwind CSS
- REST APIs
Why Work With Me
- Clean, scalable, and maintainable code
- Careful debugging before making changes
- Fast communication and regular updates
- Focus on fixing the root cause, not just the symptoms
- Reliable support until the issue is resolved
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 Mizba
Mizba
Full Stack Web Developer
- FromBangladesh
- Member sinceFeb 2026
Languages
Bengali, English, Hindi
I am a full stack web developer and have experience with React.js, Next.js, Node.js, TypeScript, Javascript, MongoDB and REST APIs. I create fast, responsive, and scalable web applications such as business websites, e-commerce stores, admin dashboards, and custom solutions. I also do bug fixing, API integration, performance optimization. I believe in writing clean and maintainable code, clear communication, reliable support and delivering high quality results on time.
My Portfolio
FAQ
What do you need before starting the work?
Please send me a brief description of the issue, the error message (if any), and access to your Git repository or ZIP file. If the issue is deployed, sharing the live URL is also helpful.
What types of bugs can you fix?
I can fix React JS, Next JS, Node JS, JavaScript, and TypeScript issues, including UI bugs, API errors, authentication problems, routing issues, console errors, responsive design issues, and performance problems.
Can you work with existing projects?
Yes. I can debug and fix issues in existing projects, whether they were built by you or another developer.
Do you work with Git repositories?
Yes. I can work with GitHub, GitLab, Bitbucket repositories, or a ZIP file of your project.
Do you provide revisions?
Yes. I provide revisions according to the package you choose to ensure the issue is resolved.
What if my issue is more complex than the package I selected?
No problem. After reviewing your project, I'll recommend the most suitable package or create a custom offer that fits your requirements.
