I will build a backend API with nodejs, nestjs, and postgresql


About this gig
Need a reliable backend for your web or mobile app? I build production-ready APIs with Node.js, NestJS, and PostgreSQL.
Fullstack developer with 8+ years of experience. I've built backends for SaaS platforms, marketplaces, dashboards, and mobile apps.
What I build:
- REST APIs with full CRUD operations
- GraphQL APIs
- WebSocket real-time features (chat, notifications, live updates)
- User auth with JWT, OAuth, and role-based permissions
- File upload and storage (S3, local)
- Background jobs and scheduled tasks
- Third-party API integrations (Stripe, SendGrid, Twilio, etc.)
- Database design and migrations
Tech stack:
- Node.js, NestJS, Express
- PostgreSQL, MySQL, MongoDB, Prisma, TypeORM
- Redis for caching and queues
- Docker for deployment
- Swagger/OpenAPI for documentation
- Jest for testing
What you get:
- Clean, modular codebase following best practices
- API documentation (Swagger)
- Database schema and migrations
- Environment setup guide
- Postman collection for testing
Written communication only with detailed async updates. Message me before ordering so I can scope your project properly.
Get to know Nurpais O
Fullstack Web and Blockchain Developer
- FromKyrgyzstan
- Member sinceOct 2019
- Avg. response time1 hour
- Last delivery6 years
Languages
English, Russian
My Portfolio
FAQ
Can you integrate with my existing frontend?
Yes. I build APIs that work with any frontend - React, Next.js, Vue, mobile apps, or any HTTP client.
Do you set up authentication?
Yes. JWT auth, OAuth social login, role-based permissions, and session management.
Can you add real-time features?
Yes. WebSocket with Socket.IO or native WS for chat, notifications, and live updates.
Do you write tests?
Standard and Premium packages include unit and integration tests with Jest.
Do you handle deployment?
Premium includes Docker setup and deployment guide for AWS, DigitalOcean, or your server.

