I will fix node js express mongodb postgresql backend bugs


Informazioni su questo servizio
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.
Scopri di più su Mansoor Alam
Backend And Full Stack Developer
- DaIndia
- Membro damar 2026
- Tempo di risposta medio1 ora
Lingue
Hindi, Punjabi, Inglese
Il mio portfolio
Altri servizi della categoria Sviluppo di software offerti da me
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.

