Sebastian Daza
Senior Data Scientist
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolSebastian Daza is a Senior Data Scientist and technical lead with 11 years of experience applying PySpark, Databricks, experimentation, and causal inference to drive data-informed decisions across health tech, e-commerce, and academia. He holds a PhD in Sociology and Demography and combines rigorous statistical thinking with production-grade ML pipelines—building LTV and multi-touch attribution models, LLM extraction tools, and scalable PySpark packages. Sebastian has led incrementality geo-experiments, complex A/B testing, and hybrid recommendation systems built on hundreds of millions of feedback points, translating research-grade methods into business impact. Based in Barcelona, he’s taught computational social science and led multidisciplinary teams, bridging academic rigor and product delivery while also designing simulation and variance-decomposition analyses that reveal non-obvious drivers of growth and health outcomes.
11 years of coding experience
16 years of employment as a software developer
Doctor of Philosophy (PhD) Sociology, Doctor of Philosophy (PhD) Sociology at University of Wisconsin-MadisonThe Data IncubatorMaster's degree Sociology, Master's degree Sociology at Pontificia Universidad Católica de Chile
Spanish, English
Stackoverflow
1,042reputation
62kreached
16answers
35questions
Github Skills (200)
windows10
texreg10
linux10
imputation10
keyboard10
latex10
missing-data10
macos-sierra10
karabiner10
raycast10
github-pages10
responsive10
jekyll10
jekyll-theme10
acs9
Programming languages (11)
Github contributions (5)
sdaza/survey-methods
May 2022 - Feb 2023
Contributions:90 commits, 75 pushes, 1 branch in 8 months
sdaza/experiment-utils
Nov 2024 - Feb 2025
Methods for experiment analysis and design
Contributions:64 PRs, 145 pushes, 2 branches in 2 months
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