Cor Bosman
... at Outer Networking
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolCor Bosman is a veteran technology leader and co-founder of Dutch ISP XS4ALL with three decades of hands-on experience spanning CTO, lead architect, senior staff engineer and CISO roles. He specializes in solving complex infrastructure and security problems, with recent focus on Kubernetes, CI/CD, Docker, virtualization and DevOps transformations while still coding as a proficient Laravel developer and senior system administrator. At XS4ALL he designed enterprise-grade systems—centralized IAM/SSO with YubiKey/OATH, an Elasticsearch logging backend for billions of log entries, and on-prem GitHub/Jenkins CI pipelines—that balanced operational rigor with developer productivity. He continues to innovate as owner of an IoT systems company delivering street-level sensor networks for multinational clients and contributes backend improvements to prominent open-source projects like Roundcube. Based in Amsterdam, he keeps a homelab and pursues diverse hobbies from underwater photography to training his dog, reflecting a pragmatic curiosity that drives both technical experimentation and mentorship.
14 years of coding experience
30 years of employment as a software developer
Waterlant CollegeComputer Science, Computer Science at University of Amsterdam
German, Dutch, English
Stackoverflow
336reputation
10kreached
10answers
8questions
Github Skills (14)
webmail10
hook10
php10
session-management10
redis9
jenkins6
database-management6
eager-loading6
authentication6
docker6
laravel6
laravel-middleware6
jenkins-pipeline6
docker-swarm6
Programming languages (17)
Github contributions (5)
roundcube/roundcubemail
Nov 2012 - Apr 2015
The Roundcube Webmail suite
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 commits, 6 PRs, 37 comments in 2 years 5 months
Contributions summary:Cor contributed to the core functionality of the Roundcube webmail suite. Their commits included allowing strings to be translated, refactoring session management, and adding a Redis driver. The user also introduced new hooks for plugin integration and improved session handling within the application. They made several modifications to PHP files to enable these changes.
roundcubewebmail
corbosman/message_highlight
Oct 2012 - Oct 2018
message_highlight roundcube plugin
Contributions:44 commits, 8 PRs, 17 pushes in 6 years 1 month
roundcubeplugin
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