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Stripe

Data Scientist, Fraud

Stripe
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senior full-time Toronto, ON

First indexed 7 Aug 2026

Description

Job Description

We're looking for a Data Scientist to join the Fraud Data Science team at Stripe. In this role, you'll build and improve the models that power Stripe's fraud detection and loss management systems.

Responsibilities

  • Build and improve models for fraud detection and loss management
  • Work closely with Fraud Engineering and Risk Operations to move models from research to production
  • Use data to surface insights that shape fraud strategy across the business
  • Apply supervised and unsupervised machine learning, statistical modeling, causal inference, optimization, and experimentation to risk problems

Requirements

  • PhD with 1-3 years, MS or MA with 2-6 years, or BS or BA with 4-8 years of data science or quantitative modeling experience
  • Experience with Fraud, Risk or Financial Crimes
  • Proficiency in SQL and a computing language such as Python or R
  • Experience working with cross-functional teams to deliver results
  • Ability to communicate results clearly and a focus on driving impact
  • Demonstrated ability to manage and deliver on multiple projects with high attention to detail
  • Strong business acumen and experience in synthesizing complex analyses into actionable recommendations
  • Proficiency with AI tools to accelerate model development, analysis, and coding

Preferred Qualifications

  • Strong knowledge and hands-on experience in several of the following areas: machine learning, statistics, optimization, causal inference, and experimentation
  • Experience deploying models in production and adjusting model thresholds to improve performance
  • Experience designing, running, and analyzing complex experiments or leveraging causal inference designs
  • A builder's mindset with a willingness to question assumptions and conventional wisdom
  • Experience with distributed tools such as Spark, Hadoop, etc.
  • A PhD or MS in a quantitative field (e.g., Statistics, Engineering, Mathematics, Economics, Quantitative Finance, Sciences, Operations Research)
This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/stripe/jobs/8113100