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Backend Software Engineer (Node.js) at Ubiquiti · Katori

About Ubiquiti

At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity.

Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Backend Software Engineer (Node.js) to join our team in Prague.

Candidates should be prepared to work from our Prague office at least two times per week.

Team:
You will join the UniFi OS team, which develops and maintains the core operating system powering UniFi Cloud Gateways, NAS, and NVRs. The team provides the secure and stable platform that UniFi applications depend on across networking, camera surveillance, VoIP, and access control.
This role is well suited to an engineer who enjoys solving complex product and platform problems, improving reliability, and working across backend, embedded, cloud, and application boundaries.

Responsibilities:

Design, build, and maintain backend services in Node.js and TypeScript.
Develop secure, scalable, and maintainable APIs and service workflows.
Contribute to architecture and code design decisions across the team.
Review code and help maintain strong engineering standards, release quality, and development workflows.
Investigate production issues, debug complex failures, and ship robust fixes.
Work closely with embedded, web, mobile, product, and design teams to deliver platform capabilities used across the UniFi ecosystem.
Improve the reliability, observability, and developer experience of the services you work on.

Requirements:

5+ years of professional experience with Node.js and TypeScript
3+ years of experience working with SQL databases such as PostgreSQL
Experience building software for connected devices, infrastructure products, networking systems, or similarly complex environments
Good understanding of web security, including OWASP, browser security fundamentals, and OAuth
Strong debugging skills and experience with defensive programming
Professional experience with Git, Unix/Linux, and Docker-based environments
Ability to work independently and take ownership of technical work
Strong written and verbal communication skills
High proficiency in English, both written and spoken

Nice to have:

Experience with Rust or Go
Experience with gRPC
Experience with WebRTC
Experience with DevOps, CI/CD, and build pipelines
Practical experience using AI tools and LLMs to improve engineering productivity and quality
Czech language

Benefits:

Competitive salary and 5 weeks of vacation per year
Discretionary bonuses based on individual performance
Flexible working hours, home office
Access to all the latest Ubiquiti products and prototypes for home use and tests
Top floor office near Andel with terrace and amazing view of Prague
Kitchen packed with food, snacks & sodas, meal allowance, breakfast on Monday & Wednesday
A collective of developers who want to make the best product. Maximum effort to keep processes to a minimum, no complex reporting and similar habits

Backend Software Engineer (Node.js)

Backend Software Engineer (Node.js)

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