Expression of Interest
7 months ago- Role family
- Other
- Location
- San Francisco
- Comp
- -
Explore Fulcrum careers: 3 open roles hiring now. Find jobs at Fulcrum with direct links to apply. Funding stage: Pre-Seed. Headcount: 1-10. Fulcrum builds an agentic debugger for AI systems, with red-teaming agents that plug into environments, agent traces, and source code to diagnose why AI agents fail. It uncovers reinforcement learning environment bugs, detects reward hacking and catastrophic failures, and generates explorable diagnostic reports.
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Fulcrum is a Pre-Seed stage AI startup, founded in 2025. It currently lists 3 open roles across San Francisco. Source: Fast AI Jobs company dataset, updated Sep 2026.
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San Francisco · Technical Staff · FullTime
San Francisco · Technical Staff · FullTime
San Francisco · Technical Staff · FullTime
Company profile last updated on Sep 13, 2026.
Fulcrum jobs and careers: 3 open roles currently listed here. Review hiring details and apply via the official career page. Official careers page
Fulcrum is an developer tools company. Fulcrum builds an agentic debugger for AI systems, with red-teaming agents that plug into environments, agent traces, and source code to diagnose why AI agents fail. It uncovers reinforcement learning environment bugs, detects reward hacking and catastrophic failures, and generates explorable diagnostic reports.
Open positions
3 jobs · Newest first
Candidate questions
Fulcrum builds an agentic debugger for AI systems, with red-teaming agents that plug into environments, agent traces, and source code to diagnose why AI agents fail. It uncovers reinforcement learning environment bugs, detects reward hacking and catastrophic failures, and generates explorable diagnostic reports.
Yes. Fulcrum is hiring and currently has 3 open roles listed on Fast AI Startup Jobs, each with a direct link to the official application page.
Fulcrum is currently hiring for roles such as Member of Technical Staff, Generalist, Expression of Interest. See the full list of jobs at Fulcrum above.
Fulcrum is hiring across San Francisco, and other locations based on its currently open roles.
Fulcrum reports an employee count of 1-10.
Fulcrum was founded in 2025.
Company context
Fulcrum is a Pre-Seed stage AI startup, founded in 2025. It currently lists 3 open roles across San Francisco. Source: Fast AI Jobs company dataset, updated Sep 2026.