Walter Hoekstra
Data Scientist
Leiden, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolWalter Hoekstra is a data scientist with nine years of hands-on experience building ML-driven customer profiling and personalization systems at scale, currently shaping legally compliant profiles and MLOps best practices at bol.com. He combines a strong academic background in economic and consumer psychology with practical expertise in Python/R, BigQuery, TensorFlow, Airflow, dbt, and cloud-native deployment (GCP, Docker, Kubernetes) to move models from ideation to production. Previously he led analytics and deep-learning projects at Newzoo, working across structured and unstructured data streams and supervising MSc research in NLP and text categorization. Known for mentoring peers and contributing to data science governance, he sits on bol’s Data Science Golden Path Committee to drive reproducible, enterprise-grade ML. An analytical thinker with a psychology lens, he uniquely melds behavioral insight with technical rigor to deliver customer-focused AI solutions.
9 years of coding experience
6 years of employment as a software developer
Master of Science (M.Sc.), Psychologie, Master of Science (M.Sc.), Psychologie at Leiden UniversityStedelijk Gymnasium LeidenMaster of Science (MSc), Psychologie, Master of Science (MSc), Psychologie at Economic and Consumer Psychology, University of Leiden
English, Dutch
Github Skills (26)
data-science9
apache9
monitor9
scheduler9
python9
machine-learning9
automation9
anaconda9
orchestration9
data-integration8
data-pipelines8
mlops8
pyqt8
spyder8
etl8
Programming languages (1)
Github contributions (5)
walternewzoo/guillotine
Jan 2018 - Jan 2018
Contributions:6 PRs, 12 pushes, 2 branches in 1 day
newzoo-nexus/demographic-statistics
May 2017 - May 2017
Contributions:8 pushes, 1 branch, 4 issues in 4 days
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