Backend Software Engineer (Node.js) – Prague

About the role

Ubiquiti is looking for a Backend Software Engineer specialized in Node.js to join the UniFi OS team in Prague. You will help build and maintain the core platform that powers UniFi Cloud Gateways, NAS, and NVRs, supporting networking, surveillance, VoIP and access control solutions.

Key responsibilities

• Design, develop and maintain backend services using Node.js and TypeScript.
• Create secure, scalable APIs and service workflows.
• Participate in architecture and code‑design decisions across the team.
• Review code, enforce engineering standards and improve release quality.
• Investigate production issues, debug complex failures and deliver robust fixes.
• Collaborate with embedded, web, mobile, product and design teams to deliver platform capabilities.
• Enhance reliability, observability and developer experience of services.

Required profile

• 5+ years of professional experience with Node.js and TypeScript.
• 3+ years working with SQL databases, preferably PostgreSQL.
• Experience building software for connected devices or complex infrastructure environments.
• Strong understanding of web security (OWASP, OAuth) and defensive programming.
• Proficient debugging skills and experience with Git, Unix/Linux and Docker.
• Ability to work independently, take ownership and communicate effectively in English.

Required skills

• Node.js
• TypeScript
• PostgreSQL / SQL
• Web security (OWASP, OAuth)
• Git
• Unix/Linux
• Docker

What we offer

• Competitive salary
• 5 weeks of vacation per year
• Discretionary bonus