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Fiverr Pro
English
$
USD
I will develop nodejs express backend and rest API server
Yasir A
About this gig
I will develop a secure, scalable, and well-structured backend using Node.js, Express.js, JavaScript/TypeScript, and MongoDB or PostgreSQL.
Whether you need a new backend from scratch or want to extend an existing application, I can build REST APIs, database functionality, authentication, business logic, integrations, and other custom backend features based on your requirements.
What I can develop:
- Node.js & Express.js backend
- REST APIs
- MongoDB / PostgreSQL integration
- CRUD operations
- JWT authentication
- Role-based access control
- API validation and error handling
- Third-party API integrations
- Custom business logic
- Postman / Swagger API documentation
- Backend bug fixing and improvements
Please contact me before ordering if your project has complex requirements so I can recommend the appropriate package.
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Get to know Yasir A
Yasir A
Backend Developer
- FromPakistan
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Urdu, English
I am a Backend Developer and Software Engineer specializing in Node.js, Express.js, and JavaScript/TypeScript. I have experience building scalable API architectures, performance optimization, and full-stack CRM systems using the MERN stack. I am dedicated to growth and uncovering my true potential through technical challenges.
FAQ
What technologies do you use?
I primarily use Node.js, Express.js/Nest.js, JavaScript/TypeScript, MongoDB, and PostgreSQL.
Can you build a custom REST API?
Yes. I can develop custom REST APIs based on your project requirements and business logic.
Can you add authentication and authorization?
Yes. I can implement JWT authentication, role-based access control (RBAC), and protected API routes, Permissions based access control.
Can you work with my existing backend?
Yes. I can add new features, APIs, integrations, fix bugs, and improve existing backend functionality.
Can you integrate third-party APIs?
Yes. I can integrate payment gateways, communication services, external APIs, and other third-party services.
Do you provide API documentation?
Yes. I can provide Postman and/or Swagger/OpenAPI documentation depending on your package.
Can you deploy the backend?
Yes. Deployment support can be included in the Premium package or purchased as an extra.
What do you need from me to start?
Please provide your business requirements, API specifications or design, database details (if available), and any existing source code or credentials required for the integration.
