Senior UI Engineer, Design System

Equinix • Toronto, ON

2d • Onsite

About The Position

We're looking for an experienced engineer to help build the next iteration of our design system. Our system powers applications spanning consumer products, B2B offerings, and internal tools, enabling cohesive, accessible, and scalable components across all touch points. You'll bridge design and engineering, creating space to do great work supporting product teams, whether they need front-end expertise, accessibility knowledge, or help shipping features faster. You'll play a key role in evolving our design system to unlock the potential of AI, driving innovation and design coherence at scale.

Requirements

• Bachelor's degree, or higher, in Computer Science, Computer Engineering, or equivalent experience
• 5+ years of engineering experience, with at least 2 years developing distributed UIs, components, and patterns at scale
• Proficiency in TypeScript, JavaScript, CSS, and HTML
• Solid understanding of Tailwind CSS and utility-first CSS frameworks
• Deep background with React and familiarity with other modern frameworks
• Well versed in web accessibility basics and technologies such as WCAG 2.1 and WAI-ARIA
• Proven track record writing comprehensive test coverage that catches edge cases
• Solid understanding of the Node.js ecosystem and comfort extending or debugging tooling like Webpack, Vite, esbuild, and TypeScript Compiler (tsc)
• Knowledge of micro front-end (MFE) architecture and distributed system patterns
• Comfortable with API development and troubleshooting
• Understanding of repository management and workflow automation across external tools like Figma or Zeroheight
• Ability managing contribution pipelines and coordinating cross-team workflows
• Meaningful experience scaling design systems, ideally in a centralized capacity for large-scale consumer or enterprise products
• Strong understanding of design standards and principles, and a solid foundation in accessibility
• Proficiency with Figma and Storybook for design collaboration and component documentation
• High standard for quality and attention to detail
• Ability to influence and collaborate with stakeholders across design, engineering, and product
• Track record of identifying and communicating developer experience improvements that make teams more effective
• Experience conducting code reviews and providing technical mentorship to peers

Nice To Haves

• Experience integrating AI, automation, or machine learning into design systems or workflows

Responsibilities

• Contribute to architectural decisions on component design, modularity, scalability, and API patterns, following best practices for code quality, documentation, and testing
• Develop and ship high-quality components and tools that set the standard for performance, accessibility, and craft
• Stay current with industry trends and explore AI-driven capabilities like generative design, automation, and intelligent tooling that advance how teams use and contribute to the system
• Maintain and improve governance, documentation, and contribution models that keep the system scalable and accessible as it grows
• Work directly with designers and cross-functional partners to understand requirements, navigate trade-offs, and build consensus on solutions that shape our digital experiences
• Contribute to the vision and roadmap for our design system
• Drive technical execution for your areas of the design system
• Promote the design system through workshops, presentations, and documentation that helps product engineers ship features independently
• Establish strong relationships with engineering, design, and product to understand their challenges, deliver solutions that help, and be a reliable partner in shipping great products
• Guide teammates through pairing, code reviews, and technical guidance
• Foster a collaborative environment where knowledge sharing and healthy debate lead to better solutions
• Identify and solve complex technical challenges independently, knowing when to collaborate and when to drive forward with conviction

Benefits

• Employee Assistance Program
• Healthcare coverage that is designed to complement the provincial healthcare system
• Life, disability and optional benefit plans
• Defined Contribution Pension Plan (DCPP)
• Group Retirement Savings Plan (RRSP)
• Tax-Free Savings Plan (TSFA)
• Vacation and personal time
• Various paid holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 5,001-10,000 employees