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Lead Frontend Engineer

Zyphra· Product
Apply on company site
San FranciscoFull-timePosted 11mo ago

About the role

Lead the design and development of the user-facing side of Zyphra's agentic system, shaping how users interact with AI across desktop, browser, and filesystem. Collaborate across interface design, component libraries, and frontend infrastructure to deliver accessible, intuitive experiences, working with engineers, ML researchers, and backend teams.

Responsibilities

  • Design and development of browser-based and desktop interfaces
  • Building and maintaining component libraries and styling systems
  • Researching and refining user flows based on real-world usage and feedback
  • Prototyping and implementing UI features in collaboration with ML, backend, and systems teams
  • Making a complex AI product feel simple, accessible, and empowering for a wide range of users

Qualifications

  • Strong frontend engineering skills with fluency in HTML, CSS, and JavaScript/TypeScript
  • Experience with modern frontend frameworks such as React
  • Demonstrated attention to UI detail and usability, with a user-first mindset
  • Ability to prototype and iterate quickly, both in code and with design tools like Figma
  • Experience designing and developing responsive, accessible, and high-performance interfaces
  • Strong intuition for HCI principles, accessibility, and visual clarity
  • Excellent collaboration and communication skills—especially with engineers, designers, and ML researchers

Skills

Required:Frontend development (HTML, CSS, JavaScript/TypeScript)ReactUI/UX design collaboration

Benefits

  • Comprehensive medical, dental, vision, and FSA plans
  • Competitive compensation and 401(k) plan
  • Relocation and immigration support on a case-by-case basis
  • In-office snacks and meals provided
  • Unlimited PTO and company holidays
  • In-person team in San Francisco with a collaborative, high-energy environment
Last updated Aug 6, 2026. Interested? Apply on the company site.

About Zyphra

Zyphra Technologies Inc.

Company profileWebsite

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