Mark Theunissen
Engineer at MinIO
Western Cape, South Africa
Summary
🤩
Rockstar🎓
Top SchoolMark Theunissen is an experienced software engineer with 14 years building backend systems, DevOps tooling, and team leadership across startups and product companies, currently contributing at MinIO from South Africa's Western Cape. He brings deep practical experience from roles at Pantheon—where he enhanced the widely used Terminus CLI with deployment, SSH key, and code-management features and tests—to senior engineering and principal positions at Kablamo, mx51, and Local Measure. Comfortable shipping production-grade infrastructure, Mark combines hands-on refactoring and automation skills with leadership in distributed teams and a background in systems architecture dating back to The Economist and Four Kitchens. He studied computer science at the University of KwaZulu-Natal and maintains a public project portfolio at marktheunissen.com, reflecting a long-running interest in improving developer tooling and deployment workflows.
14 years of coding experience
17 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at University of KwaZulu-Natal
Github Skills (10)
php10
terminusdb10
terminal-app10
cli10
devops9
unit-testing9
git8
drush8
phpunit7
mysql6
Programming languages (15)
Github contributions (5)
pantheon-systems/terminus
Sep 2016 - Oct 2020
The Pantheon CLI — a standalone utility for performing operations on the Pantheon Platform
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:32 commits, 32 PRs, 86 pushes in 4 years 2 months
Contributions summary:Mark contributed to the Pantheon Terminus CLI by refactoring code, removing the ability to set the Drush version and using `pantheon.yml` instead. They also worked on cleaning up SSH keys, adding a new command for deploying environments, and writing unit tests for the deployment command. Furthermore, the user implemented commands for code logging and committing, enhancing the tool's capabilities related to code management and deployment.
terminuswp-clidrushphpstandalone
DoSomething/server-playbooks
Jun 2012 - Feb 2013
Contributions:47 commits in 8 months
playbooksansibleansible-playbookssetting
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