Senior Data Scientist
Preply · London
About this role
WE POWER PEOPLE’S PROGRESS. At Preply, we’re all about creating life-changing learning experiences. 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. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global 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. MEET THE TEAM At Preply, we're growing a talented Data Team https://www.linkedin.com/posts/preply_data-team-uncovered-activity-7232342101730971652-3ate?utm_source=share&utm_medium=member_desktop to empower top-notch decision-making across our organization. Our team collaborates closely with various other chapters - including product, business, and platform - leveraging analysis, experimentation, causal inference, and machine learning. You’ll be embedded in cross-functional teams, partnering with our MarTech Product Manager, Marketeers, Tech Leads, and the Data Strategy team. Check out our Tech Radar https://tech-radar.preply.com/ to see the tools and technologies we love using at Preply! WHAT YOU’LL BE DOING - Collaborate with performance marketing teams in coming up with data solutions to support the optimization of marketing campaigns, budgets and results; - Roll out Marketing Mix Modeling (MMM) to more countries and help build an automated MMM budget platform using advanced Bayesian statistics; - Design and analyze incrementality tests to measure marketing effectiveness, applying adva
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