Senior Data Scientist - Marketing at Preply
Netherlands
Posted
on-site · full_time · Visa sponsorship
Responsibilities:
- Partner with performance marketing to design data solutions that optimize campaigns, budgets and channel mix.
- Roll out and automate Marketing Mix Modeling (MMM) across countries using Bayesian methods.
- Design and analyze incrementality/experimentation tests and apply causal inference to measure true incremental ROI.
- Create a unified system to combine MMM outputs with incrementality results for consistent decision-making.
- Build creative analytics (e.g., creative fatigue metrics) and predictive models to improve targeting and bidding.
- Collaborate with Applied AI and Data Engineering teams to deploy models, build scalable ETL pipelines and monitor impact.
Requirements:
- Strong SQL and Python skills with proven experience in marketing analytics or performance marketing.
- Experience with MMM, Bayesian statistics, causal inference and experimentation design.
- Hands-on background deploying models and working with data pipelines (ETL, Databricks/Snowflake/dbt or similar).
- Ability to translate data insights into actionable recommendations and influence stakeholders across teams.
- Pragmatic, AI-enabled mindset: comfortable automating workflows and using AI to scale analysis.
- Experience in B2C or large-scale performance marketing environments is preferred.