Lead Frontend Engineer

Zyphra Technologies Inc

• $150K — $180K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Strong frontend engineering skills with expertise in HTML, CSS, and JavaScript/TypeScript
  • Experience with modern frontend frameworks like React
  • Proven attention to UI detail and a user-centric approach
  • Ability to prototype and iterate quickly using design tools such as Figma
  • Experience creating responsive and accessible high-performance interfaces
  • Solid understanding of HCI principles and visual clarity
  • Excellent communication skills for effective collaboration with diverse teams

Responsibilities

  • Lead the design and development of user-facing AI interfaces
  • Build and maintain component libraries and styling systems
  • Research and refine user flows based on real usage feedback
  • Prototype and implement UI features in coordination with ML, backend, and systems teams
  • Simplify complex AI products to empower broad user bases

Benefits

  • 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 and Thursday Happy Hours
  • Collaborative, high-energy work environment in San Francisco
Full Job Description
The Role:

As a Lead Frontend Engineer, 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.

You'll Work Across:
  • 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


What We're Looking For / 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


Qualifications / Additional Skills:
  • 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


Benefits and Perks:
  • 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

Similar Jobs

More Jobs at Zyphra Technologies Inc

  • Lead Frontend Engineer
    $150K — $180K *
    San Francisco, CA 94112 (San Francisco County)
    Consumer Technology
    In-Person
  • Full-Stack Software Engineer
    $125K — $150K *
    San Francisco, CA 94112 (San Francisco County)
    Information Technology
    In-Person
  • Principal Solutions Architect
    $160K — $200K *
    San Francisco, CA 94112 (San Francisco County)
    Enterprise Technology
    In-Person

More Consumer Technology Jobs

Find similar Lead Frontend Engineer jobs: