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I will build a rest API using nodejs or nestjs
Vansh Vala
About this gig
Need a reliable and scalable REST API for your web or mobile application?
I will develop a clean, secure and well-structured REST API using NodeJS, Express or NestJS based on your project requirements.
What I can build:
REST API development
CRUD operations
JWT authentication
Role-based authorization
MongoDB or PostgreSQL integration
Input validation and error handling
Swagger API documentation
Postman collection
Third-party API integration
API bug fixes and improvements
I focus on writing clean, maintainable backend code with proper API structure and documentation.
Whether you need a simple API, a complete backend, or an advanced API with authentication and integrations, I can help turn your requirements into a working solution.
Please message me before placing an order if you have custom or complex requirements.
Get to know Vansh Vala
Vansh Vala
Backend Developer
- FromIndia
- Member sinceMay 2026
- Avg. response time1 hour
Languages
Gujarati, English, Hindi
I am a final-year B.Tech CSE student with 10+ months of hands-on experience building scalable backend systems using NestJS and Node.js. I have developed production-ready applications including a CRM and CLI tool, focusing on performance, security, and clean architecture.
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FAQ
What technologies do you use for REST API development?
I primarily use NodeJS with Express or NestJS. Depending on your project requirements, I can also work with TypeScript, MongoDB, PostgreSQL, JWT, Swagger and Postman.
Can you integrate a database into my API?
Yes. I can integrate databases such as MongoDB or PostgreSQL and implement CRUD operations, data validation and proper database structure based on your requirements.
Can you add authentication to my API?
Yes. I can implement JWT-based authentication, protected routes and role-based authorization depending on the package and project requirements.
Can you work with an existing backend or API?
Yes. I can fix bugs, add new endpoints, improve existing functionality and integrate new features into an existing NodeJS, Express or NestJS backend.
Will I receive the source code?
Yes. Source code is included with all packages. I will provide the complete backend source code after the project is completed.
Will you provide API documentation?
Yes. Depending on the selected package, I can provide API documentation using Swagger and a Postman collection for testing the endpoints.
Can you integrate third-party APIs?
Yes. I can integrate third-party REST APIs into your backend. Please provide the API documentation and requirements before ordering.
What do you need from me to start the project?
I'll need your API requirements, required endpoints or API documentation, preferred technology stack, database requirements, and any existing source code if this is an API modification project.
