Gusto is looking for a Sr Staff Frontend Engineer to be instrumental in defining the future of our product experience, shaping how it is built and used by hundreds of thousands of small business owners. This role operates at a high level of technical influence, driving major advancements in our core design system architecture, tooling, and practices.

What You'll Do

Partner with designers to build and maintain a system of reusable components and documentation that empowers all of Gusto.
Write documentation to enable self-serve education for our consumers.
Develop tools to ensure the quality, performance, and accessibility of Gusto’s reusable components continuously improve.
Develop tools to expand the pool of contributors and quality of contributions to Gusto’s frontend.
Coordinate across teams in building accessible, modular, performant frontend experiences.
Leverage AI to expand the scope and/or the quality of our design system and Gusto’s frontend.

What We're Looking For

10+ years of technical experience in a frontend engineering role.
High proficiency in HTML, CSS, JavaScript, React, and TypeScript.
Strong history of cross-functional collaboration with Design or other non-technical teams.
Experience building UI components that are modular, composable, flexible, maintainable, and well-documented.
Experience with a JavaScript testing library for unit, integration, and end-to-end validation.
Appreciation for a collaborative, test-driven environment.
Experience turning wireframes and mockups into responsive, accessible, tested code.
Passionate about creating inclusive, accessible experiences for everyone.
Familiarity with emerging trends in frontend development, including styling approaches (CSS Modules, CSS-in-JS, Sass), component libraries (Material UI, Carbon, Polaris, Lightning), accessibility tooling (axe), observability (RUM, Synthetic Testing), and AI (MCPs, prompting).

Technical Stack

JavaScript/TypeScript
React
CSS/Sass
HTML

Team & Environment

You will be joining the Design Systems team at Gusto.

Benefits & Compensation

Salary range: $225,000 to $275,000 per year.
Additional stock equity compensation.

Work Mode

This is a hybrid role open to candidates in Denver, CO; San Francisco, CA; New York City, NY; or Scottsdale, AZ.

Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic.