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$
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I will fix react nodejs mern stack bugs and API errors
Sufyan Farooq
About this gig
Is your React app crashing, Node.js backend showing errors, or MERN stack project not working properly?
I'm Abu Sufyan, a full-stack developer with 4+ years of experience in React.js, Node.js, Express, MongoDB, Web3, and AI integrations. I help fix bugs, debug errors, review code, and improve full-stack applications.
I can help with:
- React bug fix and UI issues
- NodeJS bug fix and backend errors
- MERN bug fix in React, Express, Node.js, and MongoDB
- API bug fix for REST APIs, GraphQL, Axios, and backend integrations
- JS error fix, JavaScript bugs, and TypeScript errors
- Login, signup, auth, dashboard, Redux, Context API, and React Hooks bugs
- MongoDB connection, database, and server errors
- Code review, performance improvement, and code optimization
Why choose me?
- 4+ years of real development experience
- Worked on production-level MERN, Web3, DeFi, NFT, and AI apps
- Fast response and clear communication
- Most small bugs can be fixed within 24 hours
- I explain what was wrong and how it was fixed
Please message me with your GitHub link/ZIP, error screenshot, and issue details before ordering so I can confirm the best solution.
Respect third-party rights
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Get to know Sufyan Farooq
Sufyan Farooq
Full Stack Web3 Developer, MERN, React, NodeJS, Blockchain
- FromPakistan
- Member sinceMay 2020
- Avg. response time1 hour
Languages
Urdu, Hindi, English
Full Stack & Blockchain Dev with 4+ years shipping
production apps — MERN, Web3, DeFi, NFT & AI integrations.
I've delivered 15+ real projects for startups worldwide.
✅ Clean, scalable code
✅ On-time delivery — always
✅ Bug fixes with clear explanations
✅ MERN · Web3 · React · NodeJS · Smart Contracts · OpenAI
Need a bug fixed or a full app built? Let's get to work!
My Portfolio
FAQ
What information do you need to start?
Share your GitHub link or ZIP file along with a description of the bug and any error messages or screenshots you have.
What technologies do you support?
React NextJS NodeJS Express MongoDB JavaScript TypeScript Redux and Web3 Ethers.js smart contracts.
What if you cannot fix my bug?
I will let you know honestly before you pay. I never take an order I cannot deliver.
Do you sign an NDA to keep my code private?
Yes I can sign an NDA on request. Your code and project details are always kept fully confidential.
Can I request work outside the packages?
Yes message me with your requirements and I will send a custom offer based on your project needs.
Do you fix production/live website issues?
Yes, I can debug production issues if you provide proper access, logs, and error details.
Will you explain what caused the bug?
Yes, I provide a clear explanation of the issue and what was changed to fix it.
