Drimva

Mercury

Senior Data Scientist - Risk ML

$167K–$251K

San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States +1 · Remote · Senior · Full-time · Posted Sep 2, 2026

Location
San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States
Any Office or Remote
Experience
5+ years working with and analyzing large datasets, including 3+ years of ML experience; ideally 1+ years of relevant risk experience.

About the job

Build and operate machine learning systems that detect and prevent fraud and support risk monitoring at Mercury.

What you'll do

  • Build, validate, and deploy real-time fraud detection models; document, test, and monitor them for robustness and reproducibility.
  • Ensure data quality and reliability across pipelines and tools.
  • Collaborate with Risk Strategy and Engineering on model inputs, applications, deployment, and observability.

What they ask for

  • 5+ years working with and analyzing large datasets to solve problems and drive impact, including 3+ years of ML experience.
  • Proficiency in SQL and experience using it to understand and manage imperfect data.
  • Proficiency in Python and experience with statistical modeling and machine learning.
  • Experience deploying and monitoring machine learning models in production.

Nice to have

  • 1+ years of relevant risk experience.
  • Familiarity with LLMs or other GenAI and their application to risk or fraud detection; modern data tools such as dbt; model governance in regulated industries; or building zero-to-one solutions in ambiguous or greenfield spaces.

Pay

$166,600 — $250,900 USD (base salary); $157,400 — $237,100 CAD (base salary)

Tools

SQL, Python, LLMs, GenAI, dbt

AI focus

Build and deploy machine learning models for real-time fraud detection and prevention; familiarity with LLMs or other GenAI for risk or fraud detection is a nice-to-have.

Model-written summary · the original posting is authoritative

First seen Oct 10, 2026 · Last verified Nov 4, 2026 (UTC)