Senior Staff Frontend Engineer (Design Systems)

TL;DR

Senior Staff Frontend Engineer (Design Systems): Leading the development and evolution of hirify.global’s core design system and frontend architecture with an accent on reusable component libraries, accessibility, and AI integration. Focus on driving technical influence, improving developer efficiency, and building modular, performant frontend experiences across a large engineering organization.

Location: San Francisco, Denver, or New York with hybrid work requiring 2-3 days per week onsite

Salary: $225,000–$275,000 per year

Company

hirify.global supports over 400,000 small businesses in the US by providing payroll, health insurance, 401(k), and HR solutions.

What you will do

• Partner with designers to build and maintain reusable UI components using JavaScript/TypeScript, React, CSS/Sass, and HTML
• Write documentation to enable self-serve education for internal consumers
• Develop tools to improve quality, performance, and accessibility of frontend components
• Expand contributor pool and improve frontend code quality through tooling
• Coordinate cross-team efforts to build accessible, modular, and performant frontend experiences
• Leverage AI to enhance design system capabilities and frontend quality

Requirements

• Must have 10+ years of frontend engineering experience
• Proficiency in HTML, CSS, JavaScript, React, and TypeScript
• Experience building modular, composable, and well-documented UI components
• Experience with JavaScript testing libraries for unit, integration, and end-to-end tests
• Passion for creating inclusive and accessible user experiences
• Strong cross-functional collaboration skills with design and non-technical teams

Nice to have

• Familiarity with frontend styling approaches (CSS Modules, CSS-in-JS, Sass)
• Experience with component libraries like Material UI, Carbon, Polaris, Lightning
• Knowledge of accessibility tooling (axe) and observability (RUM, Synthetic Testing)
• Experience with AI technologies such as MCPs and prompting

Culture & Benefits

• Hybrid work model with office presence expected 2-3 days per week in San Francisco, Denver, or New York
• Supportive and inclusive workplace valuing diversity and equal opportunity
• Additional stock equity compensation beyond base salary
• Focus on work-life balance and employee well-being