Backend Developer (Node.js / NestJS)

Smart-UI - full-stack development company 0 is looking for a Backend Developer (Node.js) to join our team and work on long-term projects (including e-commerce and marketplace platforms).

What you’ll be working on

Development of backend services using Node.js / NestJS Building APIs and integrations Working with databases and high-load systems Payment system integrations (Stripe, PayPal) Participation in architecture decisions and system design

Tech Stack

Node.js (NestJS preferred) PostgreSQL Redis

Requirements

Strong experience with Node.js Experience with NestJS (or similar frameworks) Solid knowledge of REST API design Experience with PostgreSQL Understanding of Clean Architecture / DDD (big plus)

Nice to have

Experience with Stripe / PayPal integrations Experience with e-commerce or marketplace projects Experience with WebSockets / real-time systems Experience with deployment (Docker, CI/CD, cloud) Experience working with scalable/high-load systems

What we offer

Long-term projects (not short freelance tasks) Stable workload Opportunity to grow into a senior/lead role Flexible working format (remote)

Important

We’re looking for someone who:

can take ownership understands architecture, not just coding can work in a team and communicate clearly