Guido Van Steen
Senior Data Specialist
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolGuido Van Steen is a senior data specialist with 15+ years designing and delivering large-scale data and ML systems across industries from energy and aviation to retail and finance. He combines deep econometrics and machine-learning grounding with hands-on data engineering—migrating legacy estates to cloud platforms (GCP, Azure, AWS), building Databricks/pySpark pipelines, and implementing CI/CD and data quality frameworks. As a technical lead he’s built Kimball-style lakehouses, integration testing frameworks, and production ML infra for conversational platforms serving millions, always balancing detail-oriented implementation with stakeholder-facing clarity. He is an active open-source contributor, improving developer experience in popular ZSH tooling by adding multiline editing, edge-case fixes and performance optimizations. Known for pragmatic innovation, Guido moves fluidly between research-grade modeling and robust engineering, drawing on a background in environmental economics and information systems. Based in Amsterdam, he thrives on translating complex data problems into reliable, measurable outcomes.
15 years of coding experience
31 years of employment as a software developer
drs. / Master Information Systems (specialization information technology), drs. / Master Information Systems (specialization information technology) at Tilburg Universityir. / Master Environmental Economics, ir. / Master Environmental Economics at Wageningen University & Research
English, German, French
Stackoverflow
525reputation
70kreached
4answers
0questions
Github Skills (11)
zsh10
algorithms8
data-structures8
algorithm8
data-structure8
apache-spark6
pandas6
azure-functions6
python6
azuredatalakegen26
data-analysis6
Programming languages (3)
Github contributions (5)
zsh-users/zsh-history-substring-search
Jun 2011 - Jan 2023
🐠 ZSH port of Fish history search (up arrow)
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 release, 11 commits, 2 PRs in 11 years 9 months
Contributions summary:Guido primarily focused on enhancing the functionality of the ZSH history substring search plugin. They implemented multi-line buffer editing capabilities, optimized the code for better performance, and fixed issues related to cursor movement. The user also addressed highlighting problems and improved the overall user experience by refining search behavior, including fixes for edge cases in the search logic.
zsh-pluginsarrowhistory-searchfishfish-shell
zsh-users/fizsh
Jan 2011 - Jun 2019
Friendly Interactive ZSHell.
Contributions:1 release, 131 commits, 3 PRs in 8 years 6 months
zshell
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