What are the responsibilities and job description for the Senior Frontend Engineer (Founding Team) | San Francisco position at C&D Talent Advisory - Academy?
About The Company
Our client is a San Francisco-based AI-native startup building a new generation of intelligent systems for knowledge workers.
Their product is designed to go beyond traditional AI tools — it understands user context, prioritizes workflows, and proactively supports decision-making, acting as a true collaborator rather than a reactive assistant.
Backed by leading investors and built by former founders and senior operators, the company is focused on redefining how humans interact with AI in daily work.
Location: San Francisco, CA (On-site)
Employment Type: Full-time
Salary: $180,000 – $240,000 Equity
Role Overview
This is a foundational frontend engineering role with full ownership of the product's user interface.
The position involves designing and building high-performance, intuitive, and scalable frontend systems for a complex AI-driven application. The role requires strong product thinking, as many features will be defined and executed without detailed specifications.
Key Responsibilities
Our client is a San Francisco-based AI-native startup building a new generation of intelligent systems for knowledge workers.
Their product is designed to go beyond traditional AI tools — it understands user context, prioritizes workflows, and proactively supports decision-making, acting as a true collaborator rather than a reactive assistant.
Backed by leading investors and built by former founders and senior operators, the company is focused on redefining how humans interact with AI in daily work.
Location: San Francisco, CA (On-site)
Employment Type: Full-time
Salary: $180,000 – $240,000 Equity
Role Overview
This is a foundational frontend engineering role with full ownership of the product's user interface.
The position involves designing and building high-performance, intuitive, and scalable frontend systems for a complex AI-driven application. The role requires strong product thinking, as many features will be defined and executed without detailed specifications.
Key Responsibilities
- Own and develop the frontend architecture end-to-end
- Build responsive, high-performance, and user-centric interfaces
- Translate product ideas into functional and intuitive user experiences
- Make independent product and design decisions in an ambiguous environment
- Optimize performance, data flow, and real-time interactions
- Collaborate closely with founders and engineering team on product direction
- 4 years of experience in Frontend Engineering
- Strong expertise in React and TypeScript
- Proven experience building complex, production-level web applications
- Deep understanding of state management and performance optimization
- Ability to work across the stack when needed
- Strong product mindset and design intuition
- Experience with real-time systems (e.g., CRDTs, multiplayer apps)
- Experience building interfaces for AI / LLM-based products
- Familiarity with local-first architectures (IndexedDB, service workers)
- Previous experience as an early-stage or founding engineer
- Strong visual or UX sensibility
- Fully on-site role in San Francisco (5 days/week)
- Candidates must be based in the Bay Area or willing to relocate prior to start
- US work authorization required or eligibility for O-1 visa
- Ownership of frontend for a category-defining AI product
- Direct collaboration with experienced founders and high-performing team
- Fast-paced, high-impact environment with real product influence
- Competitive compensation with meaningful equity upside
Salary : $180,000 - $240,000