I will build a nodejs backend and rest API with express


About this gig
Need a secure and scalable backend or REST API for your web or mobile application?
Im a Full-Stack Developer with 5+ years of experience building production-ready backend systems, APIs, databases, and integrations.
I can develop:
- Node.js & Express.js backends
- REST APIs
- PostgreSQL & MongoDB integration
- JWT authentication & authorization
- Role-based access control
- Third-party API integrations
- Payment & webhook integrations
- Database design & optimization
- API validation & error handling
- API documentation
Backend integrations for React, Next.js and React Native applications
I focus on clean architecture, secure APIs, optimized database queries, and maintainable code.
Whether you need a new backend, APIs for an existing frontend, a mobile app backend, or integrations between multiple services, I can build the solution around your requirements.
I can also work with existing Node.js applications to fix backend issues, add endpoints, integrate APIs, or improve performance.
Please message me before ordering so I can understand your requirements and recommend the right package.
Get to know Hafiz Muhammad
Full Stack Web Developer I Mobile App Developer I AI Integration I Extensions
- FromPakistan
- Member sinceOct 2023
- Avg. response time1 hour
- Last delivery9 months
Languages
English
My Portfolio
Other Software Development Services I Offer
FAQ
Can you build APIs for my React or Next.js application?
Yes. I can build Node.js/Express REST APIs and connect them to React, Next.js, React Native, or other frontend applications.
Can you build the database too?
Yes. I can design and integrate PostgreSQL, MongoDB, and other databases depending on your project's requirements.
Can you implement authentication?
Yes. I can implement JWT authentication, authorization, role-based access, password security, and related authentication flows.
Can you integrate third-party APIs?
Yes. I can integrate payment gateways, external SaaS APIs, authentication providers, communication services, AI APIs, and other third-party services.
Can you document the API?
Yes. API documentation can be provided using tools such as Swagger/OpenAPI or Postman.
Can you work with my existing backend?
Yes. I can add endpoints, fix bugs, integrate new services, refactor existing code, and optimize your current Node.js backend.

