Marek De Heus
Co-Founder at Tilted: we design, build and host web apps
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolMarek De Heus is a seasoned co-founder and software engineer with 17 years building web and mobile platforms for clients ranging from telecoms to education and government. He combines hands-on Ruby on Rails expertise with deep experience in large-scale systems, cryptography, cloud and DevOps, and a strong belief in TDD that shapes reliable delivery. Marek has launched multiple SaaS products (Bordfolio, DiverData, CampaignCoach) and led secure, audited projects like a TLS certificate web store and SAML SSO integrations. Starting as a C64 game author and mainframe developer, he still enjoys writing code that makes people happy and mentoring junior engineers. An Advent of Code top finisher, he brings both playful curiosity and production-grade discipline to product-driven engineering.
17 years of coding experience
14 years of employment as a software developer
Bachelor of Science - BS, Mechanical Engineering, Bachelor of Science - BS, Mechanical Engineering at Haagse Hogeschool/TH Rijswijk
Github Skills (81)
mvc10
ruby10
activerecord10
ruby-on-rails10
html10
rails10
pdfkit9
heading9
uploads9
wkhtmltopdf9
html-to-pdf9
thumbnails9
lightbox9
location8
uploading8
Programming languages (4)
Github contributions (5)
mdh/rails
Oct 2022 - Feb 2025
Ruby on Rails
Contributions:31 pushes, 6 branches in 2 years 4 months
ruby-on-railsrailsruby-onruby
mdh/jstz-rails
Jun 2015 - May 2020
jstz.js GEMified for the Rails >= 3.1 asset pipeline
Contributions:1 push, 1 branch in 5 years
pipelinerailsrubyassetasset-pipeline
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