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AssembledAssembledSan Francisco, CA

Software Engineer, Design Systems

Software Engineer owning the technical vision and architecture of Assembled's new design system. Lead component APIs, token architecture, AI-assisted UI generation workflows, frontend modernization, and best practices across teams. Requires 3+ years frontend experience with design system ownership.

160k – 270k
On-site3+ YOEFrontend Engineering

About the role

What you'll do

  • Own the technical direction of our design system, from token architecture and components to tooling, testing, and adoption
  • Shape how AI coding agents build UI, through component APIs, documentation, guardrails, and developer workflows
  • Modernize our frontend foundations, including component architecture, tooling, and development patterns
  • Raise the bar for frontend quality, including performance, accessibility, responsiveness, and interaction detail
  • Build the infrastructure that keeps the system reliable at scale, including testing, visual regression, CI/CD, and versioned releases
  • Establish frontend best practices across teams, helping engineers build more consistent, maintainable, and high-quality user experiences
  • Influence product decisions early, surfacing technical constraints, tradeoffs, and opportunities throughout the design process

Requirements

  • 3+ years of experience building frontend products, with meaningful ownership over architecture and technical direction
  • Has owned or significantly evolved a design system used across multiple teams or products
  • Deep frontend expertise, including TypeScript, component architecture, and modern frontend tooling
  • Has raised the quality bar of a product, improving performance, accessibility, usability, and interaction design
  • Strong product and design instincts, with a sharp eye for craft and user experience
  • Communicates clearly and collaborates effectively, especially across engineering and design
  • Excited about AI-assisted development workflows, and how design systems can help guide and accelerate AI-generated code

Nice-to-haves

  • Experience with our full stack: React, Storybook, and data visualization libraries such as visx, D3, or Chart.js
  • Experience building B2B SaaS or highly interactive, data-rich applications

Compensation

  • Estimated base salary range: $160,000 - $270,000 per year
  • Stock options are provided as part of the compensation package, in addition to a full range of medical, financial, and/or other benefits

Skills

TypeScriptReactStorybookVisxD3Chart.JsComponent ArchitectureDesign SystemsFrontend ToolingCI/CDAccessibilityPerformance Optimization
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