I will build nodejs nestjs rest apis with postgresql


About this gig
Need a reliable backend or REST API for your web application?
Im a Full-Stack Software Engineer with 6 years of commercial experience building and maintaining production web applications. I develop backend services using TypeScript, Node.js, NestJS and Express.js, with a focus on clean architecture, security, performance and maintainability.
What I can help you with:
- REST API development
- Node.js & NestJS backend development
- PostgreSQL, MySQL & MongoDB integration
- Database models and queries
- JWT & OAuth authentication
- User authentication & authorization
- Third-party API integrations
- Connecting your backend with React / Next.js applications
- Debugging & fixing existing backend issues
- Performance optimization
- Docker & deployment support
- Existing API improvements and maintenance
My backend stack:
TypeScript · JavaScript · Node.js · NestJS · Express.js · REST APIs · GraphQL · PostgreSQL · MySQL · MongoDB · JWT · OAuth · Docker · AWS
Whether you need a new API, additional backend functionality, database integration, or improvements to an existing Node.js application, I can help you build a clean and maintainable solution.
Please contact me before ordering so I can review your requirements
Get to know Sofiia K
FullStack Software Engineer
- FromUkraine
- Member sinceSep 2026
Languages
English
