Senior Frontend Engineer - Design Systems

Mercury
San Francisco, New York, Canada, United States
Workplace: HybridFull timeUSD 166,600 - 208,300 annuallyFunction: Software EngineeringExperience: 4+ yearsSkills: ["Mentorship","Ownership","Systems thinking","Product taste","Collaboration"]

Build and maintain Mercury’s design system foundations—components and patterns like tokens, type, color, and layout—while holding high standards for accessibility, performance, and pixel-level craft. Partner with design teams to take new patterns from concept to production, lead UI pattern initiatives that solve product team pain points, and evolve the prototyping experience. Help advance the design system for AI and mentor others through best practices.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Mercury
Mercury
1 month ago

Senior Frontend Engineer - Design Systems

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Build and maintain Mercury’s design system foundations—components and patterns like tokens, type, color, and layout—while holding high standards for accessibility, performance, and pixel-level craft. Partner with design teams to take new patterns from concept to production, lead UI pattern initiatives that solve product team pain points, and evolve the prototyping experience. Help advance the design system for AI and mentor others through best practices.
Location: San Francisco, New York, Canada, United States
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Build and maintain design system components, patterns, and foundations (tokens, type, color, layout) with strong accessibility, performance, and pixel-level craft.
  • •Collaborate with design partners to bring new patterns from concept to production, tightening ideation-to-shipping loops.
  • •Lead projects that ship new UI patterns to address product team pain points and enable faster delivery of better experiences.
  • •Develop and evolve a design system that’s ready for AI as well as people, applying AI to create leveraged outcomes.
  • •Invest in and shape the design system’s prototyping experience, enabling rapid iteration and exploration of new concepts.

Pay and Benefits

Salary: USD 166,600 - 208,300 annually
Equity and Bonus:Equity

Key Requirements

  • •4+ years of frontend development with deep experience in React and TypeScript.
  • •Experience building or maintaining a design system or shared component library.
  • •Strong knowledge of modern frontend tooling, including build systems, CI/CD, and testing.
  • •High agency and comfort operating in ambiguous spaces, taking ownership without waiting for a defined path.
  • •Hands-on fluency at the intersection of AI and software development, turning emerging paradigms into practical leverage.
Experience:4+ yearsSaaSFintech
Skills:MentorshipOwnershipSystems thinkingProduct tasteCollaboration
Tech Stack:ReactTypeScriptCI/CDTestingAI

Company Brief

Mercury
Provides banking and financial infrastructure for startups and small businesses, offering business checking accounts, payments, debit cards, venture debt integrations, and treasury services via a developer-friendly platform.
Industry: Fintech Infrastructure
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series C
Headquarters: San Francisco, United States
Founded: 2017
WebsiteLinkedIn