Principal Design Engineer

League
Canada
Workplace: RemoteFull timeCAD 140,000 - 182,200 annuallyFunction: Design (Product/UX/UI/Visual)Skills: ["Craftsmanship","Communication","High agency","Documentation","Quality judgment"]

Own and evolve a cross-platform design system (web, iOS, and Android) end to end—component authoring, theming architecture, parity with shipped code, and accessibility by default. Build the tooling that keeps design and code in sync (token pipelines, plugins, automated drift checks). Create infrastructure that lets AI agents use the design system correctly, including skills, reference docs, and evaluations, while shipping production code and driving key architectural decisions.

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FursaFursa
League
League
1 day ago

Principal Design Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Own and evolve a cross-platform design system (web, iOS, and Android) end to end—component authoring, theming architecture, parity with shipped code, and accessibility by default. Build the tooling that keeps design and code in sync (token pipelines, plugins, automated drift checks). Create infrastructure that lets AI agents use the design system correctly, including skills, reference docs, and evaluations, while shipping production code and driving key architectural decisions.
Location: Canada
Workplace: Remote
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Mid level

Key Responsibilities

  • •Own and evolve the design system, including component authoring and theming architecture, ensuring parity between the design library and code.
  • •Build tooling between design and code—token pipelines, plugins, and automated checks that catch drift.
  • •Create infrastructure for AI agents to use the design system correctly, including agent skills, reference documentation, and evals.
  • •Ship production code that feeds into the design system and the surfaces that consume it.
  • •Maintain cross-platform constraints across web, iOS, and Android, and set an accessibility bar that teams inherit by default.

Pay and Benefits

Salary: CAD 140,000 - 182,200 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVisionPaid LeaveEquitySpending AccountsWellness Stipend

Key Requirements

  • •6+ years in a hybrid design/frontend role, frontend engineering, product design, or design engineering.
  • •A portfolio showing shipped work where you both designed and built it.
  • •Experience authoring a design system, including explaining the decisions you owned.
  • •Fluency in React and TypeScript with strong judgment on component API design, plus deep Figma authoring (variables, modes, component properties, design-to-code mapping).
  • •Hands-on daily use of Claude Code (or equivalent) to build agent skills and wire up MCP servers, with benchmarking/evals experience a plus.
Experience:HealthcareRegulated industry
Skills:CraftsmanshipCommunicationHigh agencyDocumentationQuality judgment
Languages:English
Tech Stack:ReactTypeScriptFigmaClaude CodeMCP serversNodeCI automationToken pipelines

Company Brief

League
Provides a digital health and benefits platform that connects employers, employees, and healthcare providers to manage benefits, wellness, and virtual care through an integrated consumer-facing experience.
Industry: HealthTech
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: Toronto, Canada
Founded: 2014
WebsiteLinkedIn