I will fix react next js or other websites bugs or add new features


Level 1
About this gig
Is your React, Next.js, or MERN stack application broken, or do you need new features added?
I help startups, businesses, and developers fix bugs, improve existing applications, and build reliable full-stack functionality.
Whether you're dealing with frontend errors, broken APIs, authentication issues, or an unfinished feature, I'll review your requirements and help you find the right solution.
What I Can Fix or Develop:
- React.js UI bugs, components, hooks, and state issues
- Next.js routing, rendering, and build errors
- Node.js and Express backend functionality
- REST API development and integrations
- MongoDB database and query issues
- Login, JWT authentication, and user roles
- Dashboard features and responsive UI improvements
- Code refactoring and performance issues
What You'll Receive:
- Agreed bug fixes or working features
- Functional testing
- Updated, maintainable source code
- Clear handover and communication
Why Choose Me?
I'm a Level 1 Fiverr seller with 5-star feedback on this gig. My clients value my attention to detail, technical problem-solving, and patience.
Message me before ordering with your issue or feature request. I'll review the scope and recommend the right package.
Get to know Numan
Full Stack Web and Mobile App Developer NextJS React MERN
Level 1
- FromPakistan
- Member sinceMay 2025
- Avg. response time1 hour
- Last delivery1 month
Languages
Urdu, English, Punjabi, Hindi, French, Russian, German, Spanish
My Portfolio
FAQ
Can you build full-stack applications from scratch?
Yes! I can develop complete web applications using React, Next.js, Node.js, MERN stack, Python, and integrate AI solutions or automation workflows.
Can you work on an existing application you didn't build?
Yes. I can review an existing React, Next.js, Node.js or MERN codebase and implement agreed fixes or features.
What if my issue is more complex than expected?
I'll explain the findings and agree on any changes to price, deliverables or schedule before proceeding with additional work.
What do you need to start?
I need your project requirements, design (if any), preferred tech stack, and deadline.
What if I need urgent delivery?
No problem! Contact me before placing your order so we can discuss timelines and priority delivery options.
Do you provide deployment services?
Absolutely! I can deploy your project on Netlify, Vercel, Hostinger, GoDaddy, cPanel, VPS, with domain linking, SSL, and GitHub integration.
Do you provide ongoing support?
Yes! I offer free consultation, post-delivery support, and guidance to ensure your project runs smoothly.
Can you add features instead of just fixing bugs?
Yes. I can develop frontend components, backend endpoints, database changes and integrations within the agreed package scope.
Can you fix frontend and backend problems together?
Yes. I work across React/Next.js interfaces, Node.js/Express APIs and databases. The required work determines the package or custom quote.
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Y yosefsasftlas

United States
He is a very talented designer although it wasn’t finished yet I trust that he will finish it and make sure it’s perfect he is very fast at coding and understands the project and does what ever is necessary to get the job done thank you and I look forward to working with numan in the future and to make sure my project is completed.
$200-$400
Price
3 months
Duration
Helpful?Y yosefsasftlas

United States
Numan is a very talented coder front and backend super attention to detail great knowledge on how to code deep understanding when it comes to coding he is a pleasure to work with super fast and super patient anything that needs done he does instantly without hesitation I really appreciate working with...
$100-$200
Price
6 weeks
Duration
Helpful?Y yosefsasftlas

United States
Numan is very talented coder he does a great job working on coding anything you need I really appreciate him being patient and understanding the project at hand and working very hard to complete it until it’s 100% perfect. I look forward to working with you in the future and finish my project thank you.
$100-$200
Price
8 weeks
Duration
N 
Seller's Response
Helpful?U user31590126

Canada
Numan is exceptionally knowledgeable and patient. I would not hesitate to hire him again.
$50-$100
Price
1 day
Duration
Helpful?Y yosefsasftlas

United States
Numan is a very good coder he understands what you want done and can execute very quickly is patient and attentive to detail if anything is wrong he will fix it without hesitation he is super driven and motivated which is very helpful when working with him I enjoy working with him and look forward to...
$100-$200
Price
3 weeks
Duration
Helpful?
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Y yosefsasftlas

United States
He is a very talented designer although it wasn’t finished yet I trust that he will finish it and make sure it’s perfect he is very fast at coding and understands the project and does what ever is necessary to get the job done thank you and I look forward to working with numan in the future and to make sure my project is completed.
$200-$400
Price
3 months
Duration
Helpful?Y yosefsasftlas

United States
Numan is a very talented coder front and backend super attention to detail great knowledge on how to code deep understanding when it comes to coding he is a pleasure to work with super fast and super patient anything that needs done he does instantly without hesitation I really appreciate working with...
$100-$200
Price
6 weeks
Duration
Helpful?Y yosefsasftlas

United States
Numan is very talented coder he does a great job working on coding anything you need I really appreciate him being patient and understanding the project at hand and working very hard to complete it until it’s 100% perfect. I look forward to working with you in the future and finish my project thank you.
$100-$200
Price
8 weeks
Duration
N 
Seller's Response
Helpful?U user31590126

Canada
Numan is exceptionally knowledgeable and patient. I would not hesitate to hire him again.
$50-$100
Price
1 day
Duration
Helpful?Y yosefsasftlas

United States
Numan is a very good coder he understands what you want done and can execute very quickly is patient and attentive to detail if anything is wrong he will fix it without hesitation he is super driven and motivated which is very helpful when working with him I enjoy working with him and look forward to...
$100-$200
Price
3 weeks
Duration
Helpful?

