Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix nestjs backend bugs, apis, database, authentication
Syed Junaid
About this gig
Fix Your NestJS Backend Quickly and Professionally
Is your NestJS application throwing errors, crashing unexpectedly, or not working as expected?
I specialize in debugging and fixing complex backend issues in NestJS, Node.js, TypeScript, PostgreSQL, MySQL, MongoDB, and REST APIs.
Whether it's a small bug or a complicated backend problem, I'll identify the root cause and deliver a clean, maintainable solution.
I can fix:
- NestJS bugs and errors
- REST API issues
- TypeScript compilation errors
- Authentication (JWT, Passport)
- Authorization & Role Guards
- Database problems (PostgreSQL, MySQL, MongoDB)
- TypeORM & Prisma issues
- Redis integration
- WebSocket problems
- File upload issues
- Validation errors
- Server crashes
- Performance bottlenecks
- Memory leaks
- Slow database queries
- Third-party API integrations
- Payment gateway issues
- Production deployment problems
Why Choose Me?
- Professional code quality
- Fast communication
- Clean and scalable fixes
- Detailed explanation of the issue
- Secure coding practices
- Support after delivery
Technologies:
- NestJS
- Node.js
- TypeScript
- Express
- PostgreSQL
- MySQL
- MongoDB
- TypeORM
If you're unsure which package fits your issue, send me a message before ordering.
Get to know Syed Junaid
Syed Junaid
Full Stack Developer
- FromPakistan
- Member sinceNov 2021
- Last delivery4 months
Languages
Urdu, English
Hi,
My name is Muhammad Junaid.I am a Software Engineer and Full Stack Developer with Node js and Electron js. I am specialize in JavaScript frameworks Node Js,Electron Js, React Js, Angular Js, Express Js And mongooDb.
I follow best practice to, Electron js Desktop apps, web app and develop REST API routes.
I focus on quality and security so that you are protected from attacks.
My first priority is to meet all the client’s needs by communicating effectively and understanding the requirements.
I use my skills with pure dedication and deliver work on time.
Contact me for proposals
Other Software Development Services I Offer
FAQ
What do you need to start?
I need your project source code or Git repository access, a description of the issue, and any relevant error logs or screenshots.
Can you fix urgent production issues?
Yes. I can troubleshoot and resolve urgent backend problems as quickly as possible.
Which databases do you support?
I work with PostgreSQL, MySQL, MongoDB, Redis, and TypeORM or Prisma ORM.
Can you fix authentication problems?
Absolutely. I can resolve issues related to JWT, Passport.js, OAuth, role-based access control, guards, and permissions.
Do you optimize backend performance?
Yes. I can identify bottlenecks, optimize database queries, improve API response times, and reduce memory usage.
Can you deploy my NestJS application?
Yes. I can assist with deployment on AWS, DigitalOcean, VPS, Docker, Nginx, PM2, and other cloud environments.
Will you explain the bug after fixing it?
Yes. I provide a clear explanation of the root cause and the changes made, so you understand how the issue was resolved.
