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Lead Frontend Engineer - Agentic Interfaces

ZyphraSan Francisco
On-site Full-time

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Experience Level

Manager

Qualifications

Desired Qualifications:Strong frontend engineering skills with fluency in HTML, CSS, and JavaScript/TypeScriptExperience with modern frontend frameworks such as ReactDemonstrated attention to UI detail and usability, with a user-first mindsetAbility to prototype and iterate quickly, both in code and with design tools like FigmaExperience designing and developing responsive, accessible, and high-performance interfacesStrong intuition for HCI principles, accessibility, and visual clarityExcellent collaboration and communication skills—especially with engineers, designers, and ML researchers

About the job

Zyphra is a cutting-edge artificial intelligence company located in the heart of San Francisco, California.

About the Position:

As our Lead Frontend Engineer - Agentic Interfaces, you will spearhead the design and development of the user-facing elements of our agentic systems. Your expertise will shape the way users engage with AI technology across various platforms, including desktop applications and web browsers. You will collaborate closely with engineers, machine learning researchers, and backend teams to create user experiences that are not only functional but also intuitively accessible.

Your Responsibilities Include:

  • Crafting and developing user interfaces for both browser and desktop applications

  • Creating and maintaining comprehensive component libraries and styling systems

  • Analyzing user interactions and refining user flows based on feedback and usage data

  • Prototyping and implementing UI features in conjunction with machine learning and backend teams

  • Simplifying the complexities of AI products to ensure they are accessible and empowering for a diverse user base

Qualifications:

  • Proficient in frontend technologies, with a strong command of HTML, CSS, and JavaScript/TypeScript

  • Hands-on experience with modern frameworks, particularly React

  • A keen eye for UI detail and usability, maintaining a user-centric approach

  • Ability to rapidly prototype and iterate designs using tools like Figma

  • Experience in designing responsive, accessible, and high-performance user interfaces

  • Strong understanding of human-computer interaction principles, accessibility, and visual design

  • Excellent communication and collaboration skills to work effectively with engineers, designers, and researchers

Preferred Qualifications:

  • Experience in designing or developing browser extensions or desktop applications (e.g., Electron, Tauri)

  • Familiarity with mobile platforms and responsive design is a plus

  • Prior involvement in products featuring complex workflows, automation, or agentic behaviors

  • Interest or experience in backend development, APIs, or AI systems

About Zyphra

Zyphra is an innovative artificial intelligence company dedicated to transforming user experiences through advanced agentic systems, located in the vibrant tech community of San Francisco.

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