React Front End Web Developer

Location: San Jose, CA (Onsite)

About the role

We are seeking 3-4 Senior Front End Web Developers and one Junior Developer for a critical 6-month engagement starting September 1st. The project focuses on developing an agent-readable design system using the "Cow" stack to provide high-fidelity component references for AI models. This work is specifically for prototyping purposes and does not target production traffic. The team is preferred to be on-site in the San Bruno/Mountain View area (San Jose is also considered).

Onboarding includes a mandatory 2-week ramp-up period to become proficient with Google internal systems and the Google 3 codebase.

Requirements

• 8-10 years of professional experience in front-end development (for senior roles)
• Expert-level proficiency in React, HTML, CSS, and TypeScript
• Strong focus on component creation with a heavy emphasis on the CSS layer to ensure pixel-perfect fidelity in component replicas
• Must be available to work on-site in California (San Bruno or Mountain View area)
• Figma knowledge

Responsibilities

• Build and refine web components within the Cow stack for prototyping
• Collaborate closely with AI/Agent engineering teams to provide "goldens" for component interpretation
• Fork and extend production components to capture multi-platform (Android/iOS) specifications