Senior Data Scientist - Payments Operations
Core
Optimizing payment workflows, fraud management, and monetization strategy for a global online language learning marketplace.
Role type
Senior Data Scientist (Payments Operations & Fraud)
Builds
Payment ecosystem optimization, fraud detection systems, and monetization analytics for tutors and learners.
Domain
EdTech / Two-sided marketplace / Fintech
Deliverable
production ML models | dashboards & analysis
Required skills
Fraud management analytics, ML-based fraud systems, A/B test design, statistical modeling, predictive analytics, SQL, Python, conversion analysis, LTV modeling, cohort analysis, retention analysis, anomaly detection, rule optimization
Preferred skills
Two-sided marketplace experience, product analytics tools (Amplitude, Mixpanel, Heap), data visualization (Tableau, Looker, Power BI), mentoring
Technologies
SQL, Python, Amplitude, Mixpanel, Heap, Tableau, Looker, Power BI
Responsibilities
Analyze payment processes (pay-ins/pay-outs) to identify optimization opportunities; Monitor transactions to detect anomalies and fraud patterns; Lead systematic analysis of fraud and risk patterns; Design and execute large-scale experiments; Quantify impact of new product features; Define KPIs and tracking events.
Seniority
Senior, hands-on IC