Senior Full-Stack Engineer (Backend-Leaning) | San Francisco, USA

Confidential • Toronto, Ontario • Posted March 23, 2026

About the Role

  • On-site | San Francisco, USA
  • $200,000 – $240,000 Base + Equity
  • AI Product | High-Agency Startup | 0-to-1 product build

Snapshot

Join a high-agency, AI-native startup (12–14 team members, ex-founders & CTOs) building what could become the Claude for complex jobs — a personal AI chief of staff designed for knowledge workers.

This is a senior, product-first engineering role with end-to-end ownership, where engineers don't just code — they shape the product, interact with users, and drive outcomes.

If you're looking for structured environments, tickets, or low ownership — this is not the role.

What You'll Do

  • Own product features end-to-end (no ticket-taking culture)

  • ...