3+ years of experience with Node.js (Express/Nest.js).
Knowledge of SQL/NoSQL databases (PostgreSQL, MongoDB).
Experience with cloud environments (AWS/Google Cloud).
Understanding of authentication, security practices, microservices.
Build and maintain backend services and APIs.
Integrate databases and implement business logic.
Optimize systems for speed, reliability, and security.
Collaborate with front-end and product teams.
Improve CI/CD and deployment workflows.