Michael Holm
Founder at OptikPartner
Cham, Zug, Switzerland
Summary
👤
Senior🎓
Top SchoolMichael Holm is a founder and senior technologist with 15 years of experience building resilient web and cloud systems from Switzerland. He has founded multiple companies including OptikPartner and ClubMaster, delivering SaaS for membership, booking and billing workflows while also engineering scalable crawlers and autoscaling mailing platforms. Hands-on across the stack, Michael blends system administration and DevOps expertise with backend PHP/Laravel development, Dockerized deployments and integrations with payment, warehouse and accounting systems. An open-source contributor, he enhanced the sabre-io/vobject PHP library to add robust hourly recurrence handling and test coverage for complex calendar rules. Known for turning complex, high-traffic infrastructures into calm, maintainable platforms, he pairs entrepreneurial instincts with practical engineering discipline. He trained in full-stack web development via freeCodeCamp and has a long track record of shipping production systems that integrate many moving parts.
15 years of coding experience
8 years of employment as a software developer
Aalborg Technical GymnasiumFull Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at freeCodeCamp
Danish, English, German
Github Skills (5)
unit-testing10
php10
vcd10
hcard10
icalendar10
Programming languages (2)
Github contributions (5)
sabre-io/vobject
Oct 2012 - Oct 2012
:date: The VObject library for PHP allows you to easily parse and manipulate iCalendar and vCard objects
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits in 4 days
Contributions summary:Michael focused on enhancing the `vobject` library's recurrence functionalities. Their contributions primarily involved adding support for hourly recurring events, including implementing logic for handling `BYHOUR` and `UNTIL` rules. They refined the code through iterative changes, addressing format issues, and ensuring compatibility with daily and weekly recurrence patterns. The user also added tests to validate the correctness of the new hourly recurrence features.
vcardmauticicalendarswapphp
clubmaster/clubmaster
Mar 2011 - Aug 2014
Membership management system written in Symfony2
Contributions:3728 commits in 3 years 5 months
management-systemphpsymfony-bundlesymfony2symfony
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