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Senior Data Scientist - Fraud

Mercury builds the financial stack for startups and is hiring a Senior Data Scientist to join the Fraud & Limits team. The role focuses on detecting and preventing first-party fraud and account takeover by developing monitoring, analytics, and machine learning solutions that protect customers while preserving a seamless user experience.

Skills

  • 5+ years analyzing large datasets to drive impact; 1+ year in fraud or related domain preferred.
  • Proficiency in SQL for data exploration and handling imperfect data.
  • Proficiency in Python for statistical modeling and ML.
  • Experience deploying and monitoring ML models in production.
  • Experience building dashboards and operational monitoring.
  • Comfort working in fast-paced, ambiguous environments and balancing foundational work with high-leverage projects.

Responsibilities

  • Develop dashboards and monitoring systems to track fraud and account health metrics.
  • Conduct deep-dive analyses to identify fraud trends, behaviors, and root causes and translate findings into actionable recommendations.
  • Build, validate, and deploy machine learning models to detect and prevent fraud in real time.
  • Support ad hoc investigations and ensure data quality and reliability across pipelines and tools.
  • Collaborate with Risk Strategy and Engineering to optimize rules, scoring systems, and other fraud defenses.
  • Partner with cross-functional teams (Engineering, Product, Design, Operations) to operationalize data insights.

Education

  • Bachelor’s degree in a quantitative field (e.g., CS, Statistics, Math, Engineering) or equivalent practical experience.
  • Advanced degree (MS/PhD) in a relevant field is a plus but not required.

Benefits

  • Competitive base salary
  • Equity (stock options)
  • Comprehensive benefits package
  • Remote work options (US & Canada)
  • Opportunities to work on high-impact, cross-functional projects
  • Inclusive and equitable hiring practices with accommodations available
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

$187450 / YEARLY (est.)
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$166600K
$208300K

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BADGES
Badge ChangemakerBadge Family FriendlyBadge Future UnicornBadge Work&Life BalanceBadge Rapid Growth
CULTURE VALUES
Dare to be Different
Diversity of Opinions
Inclusive & Diverse
Empathetic
Take Risks
FUNDING
DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$166,600/yr - $208,300/yr
EMPLOYMENT TYPE
Full-time, hybrid
DATE POSTED
October 1, 2025
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