I will fix nodejs express mongodb postgresql backend bugs


About this gig
Need help fixing backend bugs in your Node.js application?
I will fix backend issues, API errors, database problems, authentication bugs, and performance issues in your Node.js, Express.js, MongoDB, PostgreSQL, and Redis applications.
My services include:
- Fix Node.js and Express.js bugs
- Resolve REST API issues
- MongoDB and PostgreSQL debugging
- Redis integration and caching issues
- JWT Authentication & Authorization fixes
- Database query optimization
- API performance improvements
- Error handling and debugging
- Code refactoring
- Docker-related backend fixes
Why choose me?
- Clean and maintainable code
- Fast communication
- Secure backend solutions
- Well-tested fixes
- On-time delivery
Before placing an order, please send me a message so I can review your issue and recommend the best package.
I look forward to helping you fix your backend quickly and professionally.
Get to know Mansoor Alam
Backend And Full Stack Developer
- FromIndia
- Member sinceMar 2026
- Avg. response time1 hour
Languages
Hindi, Punjabi, English
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Other Software Development Services I Offer
FAQ
What technologies do you support?
Node.js, Express.js, MongoDB, PostgreSQL, Redis, JWT Authentication, REST APIs, Docker, JavaScript and TypeScript.
Can you fix existing projects?
Yes. I can debug and fix existing backend projects, APIs, databases, authentication, and performance issues.
Do you work with MongoDB and PostgreSQL?
Yes. I work with both MongoDB and PostgreSQL, including schema design, query optimization, debugging, and integration.
Can you optimize slow APIs?
Yes. I can improve API response time by optimizing database queries, indexes, caching with Redis, and backend logic.
Should I contact you before ordering?
Yes. Please send me the project details before placing an order so I can recommend the right package.
