Staff Card Fraud Strategy Lead
9 hours ago
Winnipeg, Manitoba, Canada
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Full-time
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Lead card fraud strategy at Wealthsimple using advanced SQL and machine learning risk scores. This Staff role is open across Canadian time zones.
As a Staff individual contributor, you will own application, transaction, and account takeover fraud strategy across card products. You will work independently with manager-level impact, guiding data scientists and analytics developers through expertise and influence. The role balances fraud losses, operational costs, and client experience.
Key Responsibilities:
Own fraud strategy across Wealthsimple card products Manage card fraud loss budgets as volumes grow Design, backtest, ship, and tune detection rules Set thresholds for machine learning risk scores Partner with Product and Engineering on fraud controls Requirements:
6+ years of fraud prevention experience 3+ years directly working on card fraud Advanced SQL for transaction-level data Experience building and tuning fraud rules Ability to influence without direct authority Bring card fraud strategy, advanced SQL, and influence to protect Wealthsimple clients while minimizing unnecessary friction.
Own fraud strategy across Wealthsimple card products Manage card fraud loss budgets as volumes grow Design, backtest, ship, and tune detection rules Set thresholds for machine learning risk scores Partner with Product and Engineering on fraud controls Requirements:
6+ years of fraud prevention experience 3+ years directly working on card fraud Advanced SQL for transaction-level data Experience building and tuning fraud rules Ability to influence without direct authority Bring card fraud strategy, advanced SQL, and influence to protect Wealthsimple clients while minimizing unnecessary friction.