Senior UI Engineer
About this role
Tigera provides Calico, a unified network security and observability platform to prevent, detect and mitigate security breaches in Kubernetes clusters. Tigera’s open-source offering, Calico Open Source, is the most widely adopted container networking and security solution.
Powering more than 100M containers across 8M+ nodes in 166 countries, Calico software is supported across all major cloud providers and Kubernetes distributions, and is used by leading companies including Discover, Chipotle, NBCUniversal, HanseMerkur, Box, Siemens Healthineers, Playtech, Royal Bank of Canada, and Bell Canada.
As our team grows, we are looking for colleagues who not only share our passion for this work and growing our company, but who will also strengthen our company values and help ensure that Tigera remains a great place to work. At our core, our focus is on our customers, who are the heroes of our story; on aiming high and staying nimble in how we get there; on continuous learning to drive our success; and on respecting, collaborating, and supporting each other on a daily basis.
If you are looking to help make a substantial impact, and our values and products align with your vision of your career growth, we want to hear from you!
About Your Role
Tigera is seeking a Senior UI Engineer to join our existing team in Cork, building the frontend of our new SaaS product, Calico Cloud.
You Will
You will work closely with other software engineers, DevOps engineers, and product managers to deliver products and features on time and to quality while managing and communicating risks. To do this, you will design and build the user interface related to the Calico products.
Deliverables related to these activities will include code and UI artifacts, along with their associated automated tests, which constitute the Calico Cloud user interface. Depending on the feature being built, deliverables may also include wireframes and/or mockups to enable efficient design sessions with our Product Management team.
You Have
- 5+ years of product-oriented UI development experience (SaaS is a plus)
- Deep expertise in modern web application development, including:
- React and frameworks such as Next.js
- TypeScript / modern JavaScript (ES6+)
- Semantic HTML and modern CSS (including component-driven styling approaches)
- Strong experience building and maintaining scalable single-page applications (SPAs) and/or hybrid SSR applications
- Experience working with design systems and component libraries
- Experience with modern testing practices and tools such as:
- Cypress
- Playwright
- Jest / React Testing Library
- Experience mentoring developers, reviewing code, and improving engineering standards
- Experience collaborating with product managers and designers to scope, estimate, and deliver work
- Familiarity with design and prototyping tools (e.g. Figma)
Nice-to- Have
- Experience with technical leadership
- Experience working in an open source company with a focus on cloud, networking and/or network security
- Experience working with AI coding assistants such as:
- GitHub Copilot, Cursor, or Claude Code
With offices in San Francisco, San Jose, Vancouver (Canada), Cork (Ireland), and London (England), we have a thriving team of diverse individuals from all over the world. We believe in a collaborative, flexible work environment based on respect for, and commitment from, every employee. We also offer a competitive compensation package along with full health, vision, and dental benefits. These benefits, coupled with an amazing team of individuals who believe in our mission and value openness, collaboration, and teamwork, make Tigera an awesome place to work.
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