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$
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I will fix bugs errors performance issues in your zoho react node flutter app
Habibur Rahman
Level 2
5.0
5.0
About this gig
Are you facing bugs, crashes, slow performance, or deployment errors in your application?
Many startups and businesses struggle with unstable React, Node.js, or Flutter apps, which leads to poor user experience, bad reviews, and lost revenue.
I help startups, entrepreneurs, and businesses fix bugs, resolve errors, optimize performance, and deploy stable, scalable applications for web and mobile platforms.
What I Can Fix
React.js
- Console errors & warnings
- State, hooks, and component issues
- Performance optimization
Backend
- API bugs & server crashes
- Authentication & database issues
- Performance and security fixes
Flutter
- UI & layout issues
- Logic & state management bugs
- API & Firebase integration errors
Performance Optimization
- Speed improvements
- Memory leaks
- Code refactoring
Deployment & Hosting
- Vercel, Render, Firebase
- VPS / Server setup
- Production build errors
AI Integration
- ChatGPT API integration
- AI chatbots
- Prompt engineering & automation
Proof & Expertise
9+ years of experience in Full Stack Development
Worked on Zoho ERP systems, production apps, REST APIs, and AI-powered applications
Please check the Fiverr reviews.
Get to know Habibur Rahman
Habibur Rahman
Specializing in AI Integration and App Fixing and Deployment Expert
Level 2
- FromBangladesh
- Member sinceJan 2016
- Last delivery2 weeks
Languages
Bengali, English, Hindi
Many businesses struggle with buggy apps, slow deployment cycles, and complex AI integration. As a certified, full-time freelancer, I specialize in building applications and robust business systems.
I help startups and established companies fix, scale, and optimize their applications.
With 9+ years in development & 5+ years in trading, I combine technical expertise with market insight. Work with multiple programming languages, Zoho & ERP systems to turn complex requirements into efficient solutions.
I also provide mentorship for aspiring traders and investors who want practical guidance.
My Portfolio
Other Software Development Services I Offer
FAQ
What kind of bugs can you fix?
I can fix frontend, backend, and mobile app issues, such as React errors, Node.js API bugs, Flutter UI or logic problems, performance bottlenecks, deployment failures, and AI integration issues.
Do you work with existing or legacy code?
Yes. I regularly work with existing, messy, or poorly documented codebases and can debug, refactor, and optimize them safely.
Can you integrate AI or ChatGPT into my app?
Yes. I provide AI integration services for web and mobile apps, including the ChatGPT API, AI chatbots, prompt optimization, and workflow automation.
Do you fix deployment and server issues?
I can resolve deployment issues and handle deploying your app on Vercel, Render, Firebase, a VPS, or other platforms, depending on what best fits your project.
What do you need to get started?
To begin, I usually need: Source code access (GitHub or ZIP) Error details or screenshots App URL (if deployed) Clear description of the issue
Should I message you before ordering?
Yes, please. Because every bug is different, messaging me first helps avoid confusion and ensures accurate pricing and fast delivery.
Reviews
2 reviews for this Gig
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Rating Breakdown
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W williamleague
Repeat Client
United States
Exceptional work, can't wait to do more projects.
$100-$200
Price
5 days
Duration
Helpful?W williamleague
Repeat Client
United States
Great Comm.
$200-$400
Price
5 days
Duration
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
W williamleague
Repeat Client
United States
Exceptional work, can't wait to do more projects.
$100-$200
Price
5 days
Duration
Helpful?W williamleague
Repeat Client
United States
Great Comm.
$200-$400
Price
5 days
Duration
Helpful?
