Data Analyst

Preply is an online language learning platform that connects tutors with learners worldwide through a human-led, AI-enhanced marketplace. The company focuses on transforming education by providing personalized learning experiences and has scaled its operations to support over 100,000 tutors teaching 90+ languages across 180 countries.

• Work with ML model outputs to maintain and improve fraud prevention decisions, balancing detection coverage against false positive rates;
• Own the fraud rule lifecycle, including designing, testing, and maintaining prevention rules;
• Partner with Fraud Operations to understand emerging abuse patterns and translate observations into analytical improvements;
• Design and maintain alerting systems to identify threats early;
• Forecast fraud losses and chargeback volumes to provide visibility into projected exposure;
• Define and own north star metrics and KPIs for fraud prevention for executive-level reporting;
• Act as a data bridge between Product and the Applied AI team to provide performance feedback;
• Support the evaluation of third-party fraud prevention providers;
• Collaborate with Data and Analytics Engineering to ensure fraud-related data is tracked and governed in line with PII requirements;
• Mentor junior and mid-level analysts to develop their technical skills and analytical judgment.

• 4+ Years of experience in fraud analytics, risk analysis, or a payments/trust & safety domain;
• Strong SQL and Python proficiency for querying large transactional datasets and applying statistical techniques;
• Experience designing and maintaining dashboards or alerting systems with signal-to-noise discipline;
• Strong analytical communication skills to translate ambiguous signals into actionable narratives;
• Experience collaborating with cross-functional teams including Operations, Engineering, and Product;
• Ability to leverage AI tools as a force multiplier while maintaining critical thinking to own conclusions;
• Nice to have: Prior experience in a marketplace or two-sided platform, experience with payment processing concepts (chargebacks, dispute flows, authorization rates, PSP dynamics), exposure to compliance or regulatory frameworks (PSD2/3, AML, KYC).

• Competitive financial package with equity;
• Leave allowance and health insurance;
• Generous monthly allowance for lessons on Preply.com;
• Learning & Development budget and time off for self-development;
• Access to free mental health support platforms.