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Fiverr Pro
English
$
USD
I will fix lovable app bugs, supabase, auth, stripe and API issues
Md Tareq Hasan
About this gig
Is your AI-generated web application broken, incomplete, or full of bugs?
I can help you fix, debug, and improve applications built with lovable, React, Next.js, MERN, FastAPI, Node.js, and TypeScript. Whether your project was created with AI coding tools or by a developer, I'll make it stable, maintainable, and production-ready.
What I can help with:
Fix frontend and backend bugs
Debug lovable, React, Next.js, MERN, and FastAPI applications
Add new features and improve existing functionality
REST API integration and debugging
Authentication and authorization fixes
Database integration (PostgreSQL, MongoDB, Supabase)
Performance optimization and code refactoring
Deployment and configuration support
Why work with me?
Clean and maintainable code
Fast communication and regular updates
Scalable solutions following best practices
Reliable post-delivery support
Please contact me before placing an order so we can discuss your project and choose the best package.
Get to know Md Tareq Hasan
Md Tareq Hasan
AI and Full Stack Developer, SaaS, Business, Web Apps, Automation
- FromBangladesh
- Member sinceJun 2026
- Avg. response time1 hour
Languages
Bengali, English, German
Hello,
I am a Full Stack Software Engineer specializing in modern web applications, SaaS platforms, AI-powered solutions, and custom business software.
My expertise includes:
✓ Lovable, React.js, Next.js, TypeScript, Tailwind CSS
✓ Node.js, Express.js, NestJS
✓ PostgreSQL, MongoDB, MySQL, Supabase
✓ OpenAI, AI Chatbots & Automation
✓ SaaS Development
✓ REST APIs & Integrations
✓ Authentication & P-ayment Systems
✓ AWS, Vercel & DigitalOcean
I build scalable, maintainable, and reliable solutions that help businesses grow. Let's discuss your project.
My Portfolio
FAQ
What do you need before starting?
I need your project requirements, source code or Git repository, error details, and any screenshots or logs related to the issue.
Which technologies do you support?
I work with HTML, CSS, JavaScript, TypeScript, React, Next.js, Node.js, Express.js, NestJS, MERN Stack, FastAPI, Prisma ORM, PostgreSQL, MongoDB, REST APIs, Docker, CI/CD pipelines, and VPS deployment (Linux, Nginx, AWS, DigitalOcean, and Vercel). I can also help with debugging, performance optimiza
Can you add new features?
Yes. I can implement new features, improve existing functionality, and refactor code where needed.
Can you fix deployment issues?
Yes. I can help with deployment, environment configuration, build errors, Docker, Vercel, and Linux VPS issues.
Will you work on AI-generated code?
Yes. I can debug, optimize, and improve AI-generated applications as long as they use technologies I support.
