Haroen Vermylen
Founder & CTO at Luzmo (formerly Cumul.io)
Leuven, Flemish Brabant, Belgium
Summary
👤
Senior🎓
Top SchoolHaroen Vermylen is a founder and CTO with 11 years of experience building data-driven products and leading engineering teams from Leuven, Belgium. He founded Luzmo (formerly Cumul.io), scaling the company to 250+ clients and a 53-person team while enabling SaaS vendors to embed analytics via SDKs and APIs. With a Master’s in Computer Science (AI) from KU Leuven and early BI roles in public and enterprise settings, he blends deep technical curiosity with practical productization of analytics. He has hands-on experience across data science, BI and platform engineering, and a track record of coaching and growing data teams. Notably, he pivoted a consultancy and BI background into a product-first company that turns complex visualization challenges into revenue-generating integrations.
11 years of coding experience
Master of Science Computer Science Engineering specialisation Artificial Intelligence, Master of Science Computer Science Engineering specialisation Artificial Intelligence at KU LeuvenATHENS course, ATHENS course at Télécom Paris
Dutch, English, French, French
Github Skills (21)
querying10
plugin9
sdk8
nodejs7
java7
command-line-tool7
api6
command-line6
monitoring6
clickhouse5
documentation5
csharp5
database5
load-balancer5
database-management5
Programming languages (5)
Github contributions (5)
luzmo-official/luzmo-sdk-php
Jun 2016 - Sep 2023
PHP SDK for connecting & querying Luzmo
Contributions:3 PRs, 9 pushes, 1 branch in 7 years 4 months
phpphp-sdksdkquerying
luzmo-official/cumul.io-plugin
Aug 2017 - Nov 2020
Cumul.io Plugin reference implementations
Contributions:5 commits, 4 pushes, 1 branch in 3 years 4 months
implementationsplugin
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.