Staff, Fraud Countermeasures
Core
Owns strategy and execution for preventing application, transaction, and account takeover fraud across Wealthsimple's card products to balance fraud losses with client friction.
Role type
Staff individual contributor (strategy & mentorship)
Builds
Card fraud detection controls and ML risk scoring systems
Domain
Fintech / Payments / Fraud Prevention
Deliverable
production ML models
Required skills
Card fraud strategy, Advanced SQL, Fraud rule design and backtesting, Cost-benefit analysis of fraud controls, AI tool usage, Cross-functional influence
Preferred skills
Visa/Mastercard network rules knowledge, Dispute process expertise
Technologies
SQL, AI tools
Responsibilities
Set direction for fraud prevention across card products; Manage fraud loss budget; Design and tune detection rules and ML thresholds; Partner with Product/Engineering on controls; Mentor data scientists and analytics developers