Senior Full-Stack Engineer San Francisco, CA Onsite -w2/full time (no-sponsorship) $190,000 - $220,000 We are hiring a Senior Full-Stack Engineer (backend-leaning) to join our client in person in SF. building a personal AI assistant for knowledge workers - something closer to “Cursor for knowledge work” than a chatbot.
You will:
- Own features from conception → architecture → implementation → shipping → iteration
- Handle backend-heavy work with some infrastructure/DevOps responsibility
- Implement basic frontend functionality when needed
- Work directly with users (engineers onboard users themselves)
- Translate user feedback into experiments and shipped improvements
- Operate in an ambiguity-tolerant, fast-moving environment
- This is not a ticket-taking role. Feature requests are assigned to individuals, and you own them fully.
Tech Stack TypeScript React Next.js Node.js PostgreSQL Cloudflare AWS + additional infrastructure providers AI model integrations (multiple providers)
You must:
- Understand AI applications and agentic workflows
- Have experience with agent loops and model interaction patterns
- Be able to ramp quickly on AI-heavy systems
- You do not need deep ML engineering expertise - but you cannot be starting from zero.
- In-person only (San Francisco office)
- Must be US-based or willing to relocate