Senior UI Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior UI Engineer based in Canada.

• This is a hands-on frontend engineering role focused on creating the next generation of user experiences for complex web applications.
• You will design scalable interfaces and reusable component systems that support intuitive, high-performance experiences across desktop and mobile.
• Working closely with product, design, and backend engineering teams, you will contribute to features throughout the full development lifecycle.
• The role offers the opportunity to build AI-powered and agent-driven workflows while applying modern engineering practices.
• You will help shape frontend architecture, improve performance and accessibility, and establish standards that support long-term product quality.
• The environment encourages rapid iteration, technical collaboration, and the use of AI-assisted development tools to increase engineering effectiveness.
• As a senior contributor, you will have meaningful influence on both product direction and the evolution of the user experience.