Senior Frontend Engineer - Design Systems
Core
Building and maintaining the foundational components, patterns, and tools (tokens, type, color, layout) that power Mercury's product, with a focus on accessibility, performance, and integrating AI into the design system workflow.
Role type
Senior Frontend Engineer (Design Systems)
Builds
Design system components, shared libraries, and AI-integrated prototyping tools for Mercury's product teams.
Domain
Fintech / Web Development / Design Systems
Deliverable
production ML models | product features
Required skills
React, TypeScript, modern web technologies, design system architecture, build systems, CI/CD, testing, accessibility, performance optimization, AI integration in software development
Preferred skills
First-principles systems thinking, product taste, mentorship, high agency, ambiguity navigation
Technologies
React, TypeScript, modern web technologies, AI tools
Responsibilities
Build and maintain design system components and foundations; collaborate with design partners to ship new UI patterns; lead projects solving pain points for product teams; develop AI-ready design systems; invest in prototyping experiences; mentor team members on craft and AI fluency.
Seniority
Senior, hands-on IC
