Jelmer Borst
Product Engineer at Monumental
Haarlem, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJelmer Borst is a product-focused engineer with 11 years of experience building data-driven platforms and developer tooling, currently working as a Product Engineer in Haarlem. He has led large cross-functional efforts at Picnic—scaling platform and infrastructure teams to ten squads and later heading Analytics & AI—combining product ownership with hands-on engineering and data science. His background spans aerospace forecasting, fintech payments, and growth analytics, giving him a rare mix of systems thinking and user-centered product delivery. An active contributor to open-source tooling, he added rich API documentation support and iPython notebook syntax highlighting to the popular devdocs project, reflecting a pragmatic interest in developer experience. He pairs an MSc in Air Transport and Aerospace Operations with entrepreneurial early-stage experience as a web co-founder, often translating complex technical problems into clear operational outcomes.
11 years of coding experience
9 years of employment as a software developer
Various courses Data science, Various courses Data science at UdacityInternational Baccalaureate English A2 Higher, International Baccalaureate English A2 Higher at Wolfert van Borselen, RotterdamNature Guide lv. 1 Wildlife, Nature Guide lv. 1 Wildlife at Field Guide Association of Southern AfricaMaster of Science (MSc) Air Transport and Aerospace Operations, Master of Science (MSc) Air Transport and Aerospace Operations at Delft University of Technology
Dutch, English, French, German, Afrikaans, Spanish
Stackoverflow
45reputation
1kreached
3answers
4questions
Github Skills (17)
python10
sphinx10
matplotlib10
scikit10
pandas10
api-documentation10
statsmodels10
scikit-learn10
javascript7
mouse-events6
html6
rows6
decimal6
php6
css6
Programming languages (17)
Github contributions (5)
freeCodeCamp/devdocs
Sep 2016 - Dec 2016
API Documentation Browser
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 8 PRs, 13 comments in 3 months
Contributions summary:Jelmer contributed significantly to the project by adding support for various API documentation, including Pandas, Scikit-learn, Statsmodels, and Matplotlib toolkits. This involved creating new scraper and filter files, modifying existing ones, and updating code to ensure compatibility with the target documentation systems. The user also implemented features such as iPython+notebook syntax highlighting.
apibrowserdocumentation-toolapi-documentationdeveloper-tools
japborst/dart_stemmer
Jul 2019 - Jun 2021
A NLTK-port to do stemming in Dart / Flutter.
Contributions:2 reviews, 7 commits, 1 PR in 1 year 11 months
to-dodartnltkstemmingflutter
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