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 integral 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 teamAt Preply, we're growing a talented Data Team 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 to see the tools and technologies we love using at PreplyOwn our Marketing Mix Model end to end: build it out, grow it from today's US model to a global, hierarchical setup, and turn it into an automated platform that steers budget allocation. Turn MMM outputs into decisions: partner with performance marketing and finance to fold results into the budget process and guide teams on what they mean for strategy.Steer the testing roadmap that feeds the MMM: use its signals to pick which channels and questions to test, then design and run incrementality tests (geo experiments and other causal inference methods) to measure incremental ROI.MMM for big budget calls, incrementality-adjusted attribution for channel splits.Drive cross-company initiatives that extend causal inference beyond marketing into our experimentation platform, and into

📌 Data Science the Senior Data Scientist (Barcelona)
🏢 Preply
📍 Barcelona