Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix your javascript or node js app bugs quickly
Mehedi Hasan
5.0
5.0
About this gig
I am a skilled JavaScript, TypeScript, and Node.js developer with solid experience in fixing bugs, building backend APIs, and optimizing app performance.
I can help you with:
- Fixing JavaScript, TypeScript, or Node.js errors
- Creating or improving RESTful APIs
- Optimizing performance and refactoring existing code
- Integrating MongoDB, PostgreSQL, or MySQL
- Implementing authentication (JWT, OAuth, etc.)
- Adding third-party APIs (Stripe, PayPal, etc.)
- Setting up and deploying apps to AWS, Digital Ocean, or custom servers
You'll get:
- Clean, maintainable, and well-typed code
- Fast and reliable delivery
- Clear communication throughout the process
Lets make your app error-free, scalable, and production-ready!
Tags: optimize node js, typescript bug fix, full stack node js, backend developer, fix digitalocean node
Get to know Mehedi Hasan
Mehedi Hasan
SaaS, Payment Systems Expert, Full Stack Laravel and TypeScript
- FromBangladesh
- Member sinceJul 2025
- Last delivery5 months
Languages
Bengali, English
Full-Stack PHP/Laravel Developer | API Integrations | Payment Systems Expert | TypeScript
Hi! I’m Mehedi — a passionate and performance-focused full-stack developer with deep experience in building SaaS platforms, eCommerce integrations, payment solutions, and developer tools.
I specialize in:
Backend Systems: PHP (Laravel, WordPress), TypeScript (Node JS)
Frontend: Vue JS (PWA), Tailwind CSS, and modern UX principles
Database Design: SQL, NoSQL – read-efficient and scalable structures
📩 Message me to discuss your project — I’m always happy to help or offer advice.
My Portfolio
Other Software Development Services I Offer
FAQ
What do you need from me to get started?
I’ll need your project files (via GitHub, ZIP, or other), a short description of the issue or feature, and any necessary access details or environment setup instructions.
Do you work with TypeScript as well as JavaScript?
Yes! I’m very comfortable with both JavaScript and TypeScript, and I can help you migrate your project from JS to TS or fix typing issues.
Can you build a complete Node.js app from scratch?
Absolutely. I can build a fully functional Node.js / Express backend, including database setup, authentication, and API development.
Which databases can you work with?
I can work with MongoDB, PostgreSQL, and MySQL, depending on your project requirements.
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
B brandonleelgd
Repeat Client
United States
Highly recommend!
$200-$400
Price
3 days
Duration
Helpful?B brandonleelgd
Repeat Client
United States
Really helpful!
Up to $50
Price
1 day
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
B brandonleelgd
Repeat Client
United States
Highly recommend!
$200-$400
Price
3 days
Duration
Helpful?B brandonleelgd
Repeat Client
United States
Really helpful!
Up to $50
Price
1 day
Duration
Helpful?
