Machine Learning Engineer, Safety
fal.ai· Engineering
San Francisco$180k - $250k + equityFull-timePosted 3w ago
About the role
Machine Learning Engineer to own ML and ML infrastructure powering safety systems end-to-end on a fast-growing platform, focusing on detection of harmful content and abuse, with scale and reliability in production.
Responsibilities
- Design, build, and maintain the ML models and the ML infrastructure behind fal's safety and abuse-detection systems, end-to-end
- Improve the accuracy, coverage, latency, and scalability of detection pipelines across the platform
- Partner with Security and Infrastructure Engineering to integrate safety systems deeply into core platform infrastructure
- Evaluate and integrate third-party safety tooling and vendor models where it makes sense
- Stay current with the ML safety/detection landscape and bring new techniques and infrastructure patterns into fal's stack
- You will have access to our massive GPU cluster for inference and evaluation
- You'll work alongside a team dedicated to quickly iterating on and deploying new AI breakthroughs — your job is to make sure that speed never comes at the cost of safety
Qualifications
- Prior hands-on experience in trust & safety, content moderation, or abuse/detection systems — required
- Strong end-to-end engineering fundamentals — comfortable owning both the ML and the infrastructure that serves it in production
- Comfortable owning ambiguous, high-stakes problems with limited precedent
- Based in San Francisco; fal works in-person, 5 days a week
Skills
Required:ML and ML infrastructure for safety systemsDetection pipeline optimization
Nice to have:Security and infrastructure collaborationEvaluation of third-party safety toolingStaying current with ML safety/detection landscape
Benefits
- Interesting and challenging work
- Competitive salary and equity
- A lot of learning and growth opportunities
- We offer relocation assistance to San Francisco.
- Health, dental, and vision insurance (US)
- Regular team events and offsite
Last updated Oct 17, 2026. Interested? Apply on the company site.
About fal.ai
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