Top 7 Lead front end developer Jobs in San Francisco Ca

Lead Frontend Engineer
Zyphra —San Francisco, CA
- Full-time
- Office
- APIs
- Senior level
- Health insurance
- Dental insurance
Technical Lead, Frontend
Onyx —San Francisco, CA
- $200,000 - $400,000 a year
- Full-time
- Computer science
- Computer Science
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
Lead Product Engineer
Reducto —San Francisco, CA
- $200,000 - $300,000 a year
- Full-time
- Management
- 5 years
- Office
- Health insurance
- Dental insurance
Lead UI Software Engineer (Java)
KnowledgeLoop —San Mateo, CA
- Linux
- Senior level
- HTML
Android Lead - San Francisco, CA
Photon —San Francisco, CA
- $48,000 - $168,000 a year
- Mentoring
- Senior level
- Leadership
- Paid holidays
- Health insurance
Lead UI Engineer
31st Union —San Mateo, CA
- $133,900 - $198,160 a year
- Full-time
- Hybrid work
- 7 years
- System design
- C++
- Paid parental leave
- Employee stock purchase plan
Lead UI Engineer
2K —San Mateo, CA
- $133,900 - $198,160 a year
- Full-time
- Hybrid work
- 7 years
- System design
- C++
- Paid parental leave
- Employee stock purchase plan
Quick Apply

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Lead Frontend Engineer

Zyphra
San Francisco, CA

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Job Details

Full-time

Benefits

Health insurance
Unlimited paid time off
Dental insurance
401(k)
Flexible spending account
Snacks provided
Vision insurance

Qualifications

Rapid prototyping
Responsive design
CSS
JavaScript frameworks
Collaboration with product development teams
Prototype creation
UI implementation
Front-end component implementation
Accessibility in interaction design
TypeScript
Prototypes
HTML

Full Job Description

Zyphra is an artificial intelligence company based in San Francisco, California.

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

Why Work at Zyphra:

Our research methodology is grounded in methodical, step-by-step approaches to ambitious goals. Both deep research and engineering excellence are equally valued
We strongly value new and crazy ideas and are very willing to bet big on new ideas
We move as quickly as we can; we aim to minimize the bar to impact as low as possible
We all enjoy what we do and love discussing AI

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

Apply Now

Refine Your Search

lead front end developer jobs in san francisco ca

Lead Frontend Engineer

Technical Lead, Frontend

Lead Product Engineer

Lead UI Software Engineer (Java)

Android Lead - San Francisco, CA

Lead UI Engineer