Ruben Stolk
Rotterdam, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolRuben Stolk is a seasoned founder and CTO with 15+ years building products that help organizations capture operational data and drive QHSE compliance, most notably as co-founder and technical lead of VC-backed Capptions. He blends hands-on engineering (including front-end contributions to drawing libraries) with product-led growth, having launched multiple startups and led an India office while scaling mobile-first EHS software that works online and offline. Comfortable across the stack, Ruben focuses on pragmatic integrations, reporting and usability to turn field data into actionable insight. He also advises reliability and observability startups, bringing practical experience in distributed systems and real-world SRE challenges. Based in Rotterdam, his multidisciplinary background in computer science and business informatics fuels a founder’s instinct for shipping useful, improvement-driven tools.
15 years of coding experience
14 years of employment as a software developer
BSc Computer Science, BSc Computer Science at University of TwenteBSc Economics, BSc Economics at Université de Fribourg - Universität FreiburgMSc Business Informatics, MSc Business Informatics at Erasmus University RotterdamGymnasium Degree Dutch English French Latin Physics Math Chemistry, Gymnasium Degree Dutch English French Latin Physics Math Chemistry at Marnix Gymnasium
Dutch, English, French, German, Turkish, Hindi
Github Skills (7)
javascript10
canvas2d10
event-handling10
canvasjs10
drawing10
canvas10
user-interface9
Programming languages (18)
Github contributions (5)
jakubfiala/atrament
Sep 2016 - Dec 2016
A small JS library for beautiful drawing and handwriting on the HTML Canvas.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 commits, 4 PRs, 3 comments in 3 months
Contributions summary:Ruben primarily contributed to the `atrament` library by fixing issues related to drawing offsets and implementing features like a "dirty" property and event, and a destroy helper function. Their work involved modifications to the JavaScript code, specifically focusing on the drawing functionalities and event handling within the library. The user's commits demonstrate an understanding of the library's core drawing logic and the UI interaction aspects.
js-librarynode-canvascanvasjavascripthandwriting
capptions/sc-autolinker
Sep 2015 - Nov 2020
Contributions:19 pushes, 1 branch, 1 tag in 5 years 2 months
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