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Advanced .NET topics — performance, internals, and modern patterns.

Why I certified in GitHub Actions: the plumbing that ships our software thumbnail

Why I certified in GitHub Actions: the plumbing that ships our software

By Thimo Buchheister · Thursday, May 15, 2025 · 0 comments
Certification GitHub DevOps CI/CD GitHub Actions Automation
.NET

I earned the GitHub Actions certification (GH-200) in May 2025. Here's what the credential actually covers — workflows, actions, runners, security at scale — and why a CI/CD-automation cert matters for the daily plumbing that builds, tests and deploys everything we make at ThreeBIT.

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Microsoft Certified: DevOps Engineer Expert — the capstone I built one exam at a time thumbnail

Microsoft Certified: DevOps Engineer Expert — the capstone I built one exam at a time

By Thimo Buchheister · Friday, July 15, 2022 · 0 comments
Microsoft Certified Certification DevOps DevOps Engineer Expert AZ-400 CI/CD
.NET

AZ-400 earned me Microsoft Certified: DevOps Engineer Expert in July 2022 — my only expert-level Microsoft cert, built on the Azure Developer Associate I'd earned in January 2021. It's less about CI/CD scripts than about people, process, and the discipline of shipping value continuously.

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