preply - Senior Data Scientist - Paid Marketing Optimization

• Collaborate with performance marketing teams in coming up with data solutions to support the optimization of marketing campaigns, budgets and results • Use recommendation systems and clustering to uncover the most effective combinations of search terms, keywords, ad copies, and landing pages that maximize effectiveness of our paid search channel; • Scale new channels and improve targeting and bidding strategies by using regression models to assign predictive weights to funnel events; • Lead the rollout of LTV models and use early insights to guide marketing investments, product decisions, and uncover high-leverage opportunities across the business - including CRM, Customer Support, Refer-a-Friend, and more - while proactively sharing learnings to inform cross-functional strategy and prioritization. • Design and analyze A/B tests to measure marketing effectiveness, applying advanced methods like causal inference to quantify incremental ROI • Work closely with the Data Engineering team in the creation of scalable data pipelines while guaranteeing an optimal evolution of our ETL processes, as well on the adoption of new tools and frameworks; • Contribute to cross-company initiatives in alignment with our data organization’s vision • Support proactively the application of predictive models in performance marketing channels;