F2 Ai

Staff Software Engineer

Who can apply: US-based role. The employer has not said which states are eligible — confirm before applying.
Location as listed by the employer: “San Francisco”
Apply on F2 Ai's site ↗

Opens the employer's official application page.

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About this role

F2 Ai is hiring for a Staff Software Engineer role (full-time). See the official posting for full details.

Requirements

  • Hands-on technical leadership. 7+ years building and scaling mission-critical software, with demonstrated experience architecting products and systems from the ground up.
  • Full-stack fluency. Production experience across modern web frontends (React/Next.js or equivalent) and backend services (Python and/or Node.js), including API design, data modeling, and building for performance and rel…
  • Systems and data expertise. Comfort operating Postgres at scale (RDS, Supabase, or self-managed), Redis, and workflow/message systems (Temporal, SQS, Kafka), and ideally vector databases or LLM serving infrastructure.
  • Product and AI sensibility. Familiarity building AI-powered features — LLM integration, retrieval, agents, or streaming interfaces — with a focus on real user value.
  • Security-first mindset. Practical experience building within SOC 2 (or similar) compliance programs, including access control, secrets handling, and multi-tenant data isolation.
  • Execution-driven mindset. You thrive in environments where you own systems end-to-end, iterate rapidly, and deliver production-ready solutions; and you measure success in shipped impact, reliability, and user outcomes.
  • Passionate builder who enjoys solving complex, ambiguous problems across the stack and iterating toward clear, impactful goals.

Summarized from the employer's posting — check the full posting for every requirement.