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Senior Quantitative Researcher (AI Cybersecurity)

benchstack ai • United State
Visa Sponsorship
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Build and deploy advanced ML models for detecting account compromise attacks with near-perfect precision and recall. Own the full data pipeline—from raw data extraction to production-ready model deployment—while leveraging quant research expertise in a high-growth AI cybersecurity startup. Requires 4+ years in quant research, strong statistical foundations, and hands-on ML production experience.

Key Highlights
Build and improve ML models for account compromise detection targeting 100% recall and near-100% precision
Own the full data pipeline: data extraction, cleaning, feature engineering, modeling, and production deployment
Work in a high-signal quant research environment with a team of ex-Bridgewater, Palo Alto Networks, and Abnormal Security professionals
Key Responsibilities
Develop and refine ML models for detecting account compromise attacks with 100% recall and near-100% precision
Solve forensic problems by distinguishing attacker activity from legitimate user behavior
Own the full data pipeline, including data extraction, cleaning, feature engineering, modeling, and production deployment
Choose and implement model architectures optimized for production latency
Ship and maintain production-ready code for deployed models
Technical Skills Required
Python SQL Machine Learning
Benefits & Perks
$210,000 to $270,000 base salary
Seed stage equity
H1B and OPT transfers considered; new sponsorship for exceptional candidates
Nice to Have
Experience with mid-frequency alt data research in equities markets
BS or higher in Computer Science, Mathematics, Statistics, or related quantitative fields from a top program (MS or PhD preferred)

Job Description

I’m hiring a Quantitative Researcher for a seed stage AI cybersecurity company in San Francisco. They stop account takeover attacks for over 2.5 million users across 10,000+ businesses, and they already have very low churn and a packed inbound pipeline.

The founders come from Bridgewater, Palo Alto Networks and Abnormal Security. The team includes quants from SIG and Point72.

The work

This is quant research with a far better signal to noise ratio than markets. It feels like mid frequency alt data research, but you can use sophisticated methods without worrying about overfitting.

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