Quantitative Researcher

Quantitative Researcher – Detection & Machine Learning

Location: On Site 5 days per week- San Francisco, California

Job Type: Full-Time

About the Role

We are seeking a Quantitative Researcher to lead the core detection research and machine learning models powering our security platform. You will take full end-to-end ownership of designing, training, and deploying models that identify complex threat vectors in real time, directly driving our product’s competitive edge.

What You’ll Do

• Design & Deploy Core Models: Architect, train, and ship production ML models that detect account compromise and adversarial activity at scale.
• Bridge Research & Production: Transition quantitative models from notebook experimentation to live, high-throughput streaming systems under real-world attack conditions.
• Architect for Scale: Build resilient data and feature architecture capable of supporting 10–100x traffic growth.
• Technical Ownership: Work closely with founding leadership to discover novel signals, set engineering standards, and elevate technical quality across the organization.

Requirements

• 4+ years of experience in quantitative or ML research, with a proven track record of shipping production models at scale.
• BS, MS or PhD in Computer Science,​ Statistics,​ Math,​ or quantitative field from top US program
• Quantitative Mastery: Deep foundation in probability, statistics, linear algebra, linear/non-linear modeling, and NLP.
• Production ML & Engineering Skills: Expert at selecting model architectures and navigating trade-offs. Writes clean, production-grade code (Python, TypeScript/Node stack) and owns systems end-to-end.
• Data Systems Infrastructure: Practical experience with real-time/streaming pipelines, feature stores, high-performance databases, and distributed systems.
• High Agency & Output: Self-directed operator who identifies problems, executes solutions rapidly, and thrives in an autonomous, small-team environment.
• Plus: Domain background in quantitative finance, fraud detection, or cybersecurity.

What We Offer

• Competitive compensation (Base Salary + Equity) - $200k-250k base (negotiable for more experienced candidates)
• Comprehensive medical, dental, and vision coverage
• Visa Sponsorship available (H1b, OPT, TN)
• Relocation assistance available

Pay: $200,000.00 - $250,000.00 per year

Benefits:

• Dental insurance
• Health insurance
• Paid time off
• Relocation assistance
• Wellness program

Work Location: In person