I will build nodejs nestjs rest apis with postgresql

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Sofiia K
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Over deze dienst

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

Maak kennis met Sofiia K

Sofiia K

FullStack Software Engineer

  • Afkomstig uitOekraïne
  • Lid sindssep 2026
  • Talen

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I am a Full-Stack Software Engineer with 6 years of commercial experience building and maintaining production web applications. I have strong expertise in TypeScript, React, Node.js, and cloud deployments. I specialize in developing scalable digital platforms and integrating AI/LLM capabilities into modern web solutions.

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