Lead Frontend Engineer
Zyphra · San Francisco
CHECKED 8H AGO
Frontier labonsitelead
At a glance
Highlights
- Lead the user-facing side of an agentic AI system across desktop and browser.
- Shape how users interact with AI across desktop, browser, and filesystem.
- Bring intelligent agents to life in a beautifully simple, empowering way.
What they offer
- 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
Ideal candidate
A user-obsessed frontend leader with a sharp eye for elegant, accessible design. You love making complex AI feel simple and delight in iterating quickly with engineers and researchers.
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
- remote policy
- In-person in San Francisco
- visa sponsorship
- Immigration support on a case-by-case basis
Lab profile
About Zyphra
San Francisco AI lab building open language and audio models and autonomous desktop agents.
What they build
- Desktop and browser-based autonomous agents
- Open language models
- Open-source audio models (ASR, TTS, speech-to-speech)
Known for
- Agentic systems and human-AI interaction
- Reinforcement learning, post-training and preference learning
- Large-scale language model pre-training
- Novel model architectures and training methods
Key facts
- Headquartered in San Francisco, California