I will build a scalable nestjs backend with postgresql and jwt authentication


About this gig
Are you looking for a reliable backend developer to build a secure, scalable, and high-performance API for your web application?
You're in the right place!
I specialize in developing professional backend applications using NestJS, PostgreSQL, and JWT Authentication. Whether you're building a startup, SaaS platform, admin dashboard, CRM, ERP, or any custom web application, I can deliver a clean, maintainable, and production-ready backend tailored to your requirements.
What I Offer
- NestJS Backend Development
- REST API Development
- PostgreSQL Database Integration
- JWT Authentication & Authorization
- User Registration & Login
- CRUD Operations
- Secure Password Hashing (bcrypt)
- Request Validation & Error Handling
- Role-Based Access Control (RBAC)
- Clean & Scalable Architecture
- Environment Configuration
- Swagger API Documentation
- Source Code Included
Why Choose Me?
- Clean, maintainable, and scalable code
- Best development practices
- Fast and clear communication
- On-time delivery
- Client-focused solutions
Please contact me before placing your order so we can discuss your project requirements and ensure the best solution.
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Get to know Mostamir Kazimi
Web Designer
- FromAfghanistan
- Member sinceDec 2025
Languages
English, Persian
FAQ
1. What services do you provide?
I develop secure and scalable backend applications using NestJS, PostgreSQL, and JWT Authentication. I also build custom REST APIs and backend systems tailored to your project requirements.
2. Which database do you use?
I primarily work with PostgreSQL. If your project requires another SQL database, we can discuss it before starting.
Do you provide JWT Authentication?
Yes. I implement secure JWT Authentication, user registration, login, authorization, and password hashing.
Will I receive the source code?
Yes. You'll receive the complete source code after the project is completed.
Can you develop custom APIs?
Absolutely. I can build custom REST APIs based on your business requirements.
Do you provide API documentation?
Yes. Swagger API documentation can be included, especially with the Premium package.
Can you fix or improve an existing NestJS backend?
Yes. I can fix bugs, optimize performance, add new features, or improve your existing NestJS backend.
Should I contact you before placing an order?
Yes. Please send me a message before ordering so we can discuss your project and choose the right package.

