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I will build backend rest apis with node js express and postgresql
Muhammad Rahil
About this gig
I will develop secure, scalable, and production-oriented backend REST APIs using Node.js, Express.js, and PostgreSQL.
I can build a backend from scratch or improve and extend an existing API system for mobile apps, web applications, SaaS products, admin panels, and business software.
My backend development services can include:
Node.js and Express.js REST APIs
PostgreSQL database integration
CRUD API development
User authentication and authorization
JWT based authentication
Role based access control
Input validation and error handling
Secure API architecture
Database schema and relationships
Pagination, filtering and search APIs
Third party API integration
API debugging and performance improvements
Clean and maintainable source code
Deployment and integration assistance
For complex backend systems, multiple integrations, or advanced authentication requirements, please contact me before ordering so we can confirm the scope and delivery plan.
You will receive structured, maintainable, and production-oriented backend code.
Get to know Muhammad Rahil
Muhammad Rahil
Senior Android and Flutter Engineer, Kotlin, Jetpack Compose
- FromPakistan
- Member sinceAug 2026
Languages
Urdu, English
Senior Android and Flutter Engineer with 6+ years of experience building production-ready mobile applications. I specialize in Kotlin, Java, Jetpack Compose, Flutter and Dart. My expertise includes clean architecture, REST APIs, Firebase, Room databases, authentication, offline-first apps, UI/UX implementation, performance optimization and production releases. I build new applications, improve existing projects and solve complex technical issues with a focus on reliable, maintainable and polished software.
My Portfolio
FAQ
Can you build a backend REST API from scratch?
Yes. I can design and develop a backend REST API from scratch using Node.js, Express.js, and PostgreSQL based on your application requirements.
Can you integrate PostgreSQL with my backend?
Yes. I can design the database structure, create tables and relationships, and integrate PostgreSQL securely with your backend APIs.
Can you add authentication and authorization?
Yes. I can implement secure authentication using JWT and add authorization or role-based access control when required.
Can you work on an existing Node.js backend?
Yes. I can review, debug, improve, extend, or integrate new REST API functionality into an existing Node.js and Express.js backend.
Can you connect the backend with a mobile or web app?
Yes. I can create and integrate REST APIs for Android, Flutter, web applications, admin panels, and other compatible clients.
Will I receive the backend source code?
Yes. Source code is included according to the selected package and will be delivered in an organized and maintainable structure.
Can you deploy the backend API?
Yes. Deployment assistance can be provided depending on your hosting platform and project requirements. Please contact me before ordering if deployment is required.
