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I will fix node js express mongodb postgresql backend bugs
Mansoor Alam
About this gig
Looking for a reliable Node.js backend developer to fix your API or database issues?
I will fix backend issues, API errors, database problems, authentication bugs, and performance issues in your Node.js, Express.js, MongoDB, and PostgreSQL applications.
My services include:
- Fix Node.js & Express.js bugs
- Resolve REST API issues
- Fix JWT Authentication & Authorization
- Debug MongoDB & PostgreSQL issues
- Optimize SQL queries
- Improve API performance
- Fix TypeScript backend issues
- Error handling & debugging
- Code refactoring
- Docker backend fixes
Why choose me?
- Clean, maintainable code
- Fast communication
- Secure backend solutions
- Performance-focused fixes
- On-time delivery
Please contact me before placing an order so I can understand your issue and recommend the best package for your project.
Get to know Mansoor Alam
Mansoor Alam
Backend And Full Stack Developer
- FromIndia
- Member sinceMar 2026
- Avg. response time1 hour
Languages
Hindi, Punjabi, English
I am a Full Stack Developer with strong expertise in backend development using Node.js, Express.js, PostgreSQL, MongoDB, React.js, and TypeScript
I specialize in building REST APIs, fixing backend bugs, and developing scalable web applications. I also have experience with frontend technologies like React, HTML, CSS, and JavaScript.
I focus on writing clean, efficient, and maintainable code while ensuring performance and security.
What I can help you with:
Fix backend issues and bugs
Integrate APIs and databases
I am dedicated to delivering quality work on time and ensuring client satisfaction.
My Portfolio
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.
Can you fix TypeScript backend projects?
Yes. I can fix backend issues in both JavaScript and TypeScript projects built with Node.js and Express.js.
