Zoltan Papp
Data Scientist II
Haarlem, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolZoltan Papp is a data scientist who thrives at the intersection of data engineering and product analytics, currently leading multi-touch attribution pipelines at Booking.com in Haarlem. With nine years of experience, he designs scalable data architectures, develops monitoring and data quality as a first-class citizen, and mentors fellow data scientists and engineers through cloud migrations and large-scale Spark workflows. His work spans CPC bidding, visitor analytics, online performance marketing, and the design of randomized controlled trials and A/B tests to uncover measurable value. He blends a sociology background and quantitative methods to translate complex data into actionable business insights, communicating effectively with stakeholders to prioritize and deliver impactful solutions. Proficient across Python, R, SQL, Spark/Hive/Oozie, BigQuery/DataProc, Snowflake and dbt, he emphasizes cost-efficient analytics—optimizing big data jobs while maintaining performance. An active bridge between research and product, he thrives on turning disparate data sources into coherent, decision-ready storytelling.
9 years of coding experience
4 years of employment as a software developer
Business Administration and Management, Business Administration and Management at Budapesti Gazdasági FőiskolaMaster's degree, Sociology, good, Master's degree, Sociology, good at Pázmány Péter Katolikus EgyetemSzent Margit Gimnázium
Hungarian, English
Github Skills (1)
trend8
Github contributions (3)
pmarquees/git-training
Apr 2017 - Apr 2017
Contributions:1 push in 1 day
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