I will be backend developer for web app and API using nestjs, expressjs, and nodejs


About this gig
Are you looking for a professional backend developer to create a fast, secure, and scalable backend for your web app or API?
You are in the right place!
I specialize in backend development using Node.js, NestJS, ExpressJS, and TypeScript to build reliable server-side applications, REST APIs, authentication systems, and database-driven platforms.
Whether you need a complete backend architecture or custom API endpoints, I will deliver clean, maintainable, and production-ready code.
What I Can Develop
- RESTful APIs
- Backend for Web Applications
- Authentication & Authorization (JWT/OAuth)
- CRUD Operations
- Database Design & Integration
- Admin Dashboards Backend
- Payment Gateway Integration
- API Integrations
- File Upload Systems
- Real-time Features with WebSockets
- Secure & Scalable Architecture
- Error Handling & Validation
- API Documentation (Swagger/Postman)
Technologies I Use
- Node.js
- NestJS
- ExpressJS
- TypeScript
- JavaScript
- MongoDB
- PostgreSQL
- MySQL
- Prisma ORM
- Sequelize
- JWT Authentication
- Socket.io
- Docker
- Firebase
- Redis
Why Choose Me?
- Clean and scalable code
- Fast delivery
- Secure backend architecture
- Professional communication
- API documentation included
- Responsive support
- 100% client satisfaction
Get to know lewis
Full Stack Developer AI and Automation Expert
- FromUnited States
- Member sinceMay 2026
- Avg. response time3 hours
Languages
English
Other Software Development Services I Offer
FAQ
Can you develop custom APIs?
Yes, I create fully customized REST APIs based on your project requirements.
Do you work with databases?
Yes. I work with MongoDB, PostgreSQL, MySQL, and Prisma ORM.
Will the code be scalable and clean?
Absolutely. I follow best practices and scalable backend architecture principles.
Can you deploy the backend?
Yes, deployment support can be included in Standard or Premium packages.
Do you provide API documentation?
Yes. I provide Swagger or Postman API documentation.
