Anika Rosenzuaig
Senior Marketing Experimentation Analyst @Kleinanzeigen
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WORK HISTORY
Senior Marketing Experimentation Analyst @Kleinanzeigen
Berlin, DE
Training CausalImpact models, bayesian structural time series forecasting and building geo-testing models Building experimental foundations ROI models Incrementality Quasi- exprimentationBudget allocation optimization
EDUCATION
Instituto Tecnológico de Buenos Aires
Master of Science - MS, Petroleum Engineer
ABOUT ANIKA ROSENZUAIG
Data & Analytics Leader with 8+ years of experience designing scalable data systems, analytics platforms, and machine learning solutions for organizations like eBay, OLX. Bridging data engineering, analytics, and AI, I focus on building reliable data infrastructure and applying ML & GenAI (RAG, LLMs) to deliver measurable business value.Core strengths:• Data Platforms (Python, SQL, dbt, Airflow, Snowflake, GCP, AWS)• Data Science & ML (Predictive modeling, causal inference, experimentation)• Analytics & Product Insights (A/B testing, segmentation, executive dashboards)Currently, I dedicate my spare time to Apex Data-Labs, an initiative focused on researching and writing about modern analytics and AI-ready data stacks. I am passionate about sharing technical insights on how to combine technical depth with strategic data leadership.Based in Berlin.
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