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Lead Frontend Engineer - Agentic Interfaces

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Zyphra

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Location:
United States , Palo Alto

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

As a Lead Frontend Engineer - Agentic Interfaces, you’ll lead the design and development of the user-facing side of our agentic system, shaping how users interact with AI across their desktop, browser, and filesystem. You’ll work across interface design, component libraries, and frontend infrastructure to craft seamless, accessible, and intuitive user experiences. You’ll work closely with engineers, ML researchers, and backend teams to bring intelligent agents to life in a way that’s beautifully simple and deeply useful.

Job Responsibility:

  • Lead the design and development of the user-facing side of our agentic system, shaping how users interact with AI across their desktop, browser, and filesystem
  • Work across interface design, component libraries, and frontend infrastructure to craft seamless, accessible, and intuitive user experiences
  • Work closely with engineers, ML researchers, and backend teams to bring intelligent agents to life
  • 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

Requirements:

  • 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

Nice to have:

  • Experience designing or building browser extensions or desktop applications (e.g., Electron, Tauri)
  • Experience with mobile platforms and responsive design (not required but helpful)
  • Prior work on products involving complex workflows, automation, or agentic behavior
  • Interest or experience in backend development, APIs, or AI systems to better interface with the full stack
  • Familiarity with accessibility standards and inclusive design best practices
  • A track record of launching polished and user-loved products
  • Passion for systems-level thinking: building reusable design systems, libraries, and scalable patterns
  • A clear, opinionated eye for elegant design and user delight
What we offer:
  • Comprehensive medical, dental, vision, and FSA plans
  • Competitive compensation and 401(k)
  • Relocation and immigration support on a case-by-case basis
  • On-site meals prepared by a dedicated culinary team
  • Thursday Happy Hours
  • In-person team in Palo Alto, CA, with a collaborative, high-energy environment

Additional Information:

Job Posted:
January 13, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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