We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a category-defining company, we’re shaping what the future of learning looks like at general scale.Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day.At Preply, data is at the heart of every decision we make. We run hundreds of A/B tests to continually optimize our product, each with its own analytical and tracking challenges. As Senior Data Analyst - Fraud Prevention, you will be the analytical bridge between Product, Fraud Operations, and the Applied AI team. You will be the expert who turns model outputs and raw signals into actionable intelligence:
rules, alerts, forecasts, and metrics that keep Preply’s marketplace safe and trustworthy.Our Data Team is dedicated to empowering top-quality decision-making. Visit our Tech Radar to learn about the technologies we use at PreplyWhat you’ll be doingWork with outputs from ML models to maintain and improve fraud prevention decision, balancing detection coverage against false positive ratesOwn the fraud rule lifecycle - designing, testing, and maintaining prevention rules, with a clear view of coverage, false positive trade-offs, and when to retire what's no longer workingPartner with Fraud Operations to understand emerging abuse patterns and translate operational observations into analytical improvements.Design and maintain alerting systems that identify threats early, giving the team time to respond before incidents escalate.Forecast fraud losses and chargeback volumes, giving Finance and Ris
📌 Senior Data Analyst Python SQL (España)
🏢 Preply
📍 España