Nathan Van Der Lei - Data Engineer

Nathan Van Der Lei

Data Engineer

Amsterdam, North Holland, Netherlands

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Summary

👤

Senior

🎓

Top School

Nathan Van Der Lei is a Data Engineer based in Amsterdam with 11 years of hands-on experience building data-driven systems, migrating legacy analytics tools to production-grade Python, and deploying explainable federated ML in Dutch hospitals. He blends academic rigor from a Computational Science master's with practical product delivery across healthcare, finance, and government, having worked as a machine learning engineer, business engineer, and Python developer. An active contributor to open-source—cleaning and refactoring core OctoberCMS backend code—he focuses on maintainability and pragmatic optimizations rather than flashy features. Nathan is currently hiring for machine learning engineering and frontend roles, signaling a growing team remit while continuing to bridge algorithmic transparency and scalable data infrastructure.

11 years of coding experience

6 years of employment as a software developer

BSc Econometrics and Operations Research, BSc Econometrics and Operations Research at Vrije Universiteit Amsterdam (VU Amsterdam)

Master's degree Computational science, Master's degree Computational science at University of Amsterdam

Bilingual 'VWO' academic profile 'Natuur en Techniek, Bilingual 'VWO' academic profile 'Natuur en Techniek at Hermann Wesselink College

Github Skills (12)

octobercms10

code-optimization10

cms10

php10

refactoring10

backend10

laravel10

laravel-mix10

application-framework9

app-framework9

web-framework9

database-design8

Programming languages (4)

ShellMakefilePHPBlade

Github contributions (5)

octobercms/october

Aug 2018 - Jan 2019

Self-hosted CMS platform based on the Laravel PHP Framework.

Role in this project:

Backend Developer

Contributions:1 review, 28 commits, 10 PRs in 5 months

Contributions summary:Nathan's contributions primarily focused on removing unused imports across various files within the OctoberCMS framework. These changes spanned multiple modules, including CMS, system, and backend components. The modifications indicate a focus on code cleanup and optimization by eliminating unnecessary dependencies, improving code maintainability.

cmsphp-laravelhostedphpcmf

octobercms/library

Aug 2018 - Feb 2019

October Rain Library

Role in this project:

Back-end Developer

Contributions:20 commits, 3 PRs, 4 comments in 6 months

Contributions summary:Nathan primarily focused on code cleanup, optimization, and refactoring within the October CMS library. Their commits involved removing redundant code, simplifying conditions, and eliminating unnecessary parentheses and assignments. The user demonstrated a focus on improving code maintainability and readability through these changes across various core files, including configuration, application, database, and authentication components. Further contributions included fixing typos and merging constructs.

rainoctober

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