ThreeB IT | Blog

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


GitHub Foundations: certifying the place where our software actually gets built thumbnail

GitHub Foundations: certifying the place where our software actually gets built

By Thimo Buchheister · Sunday, June 15, 2025 · 0 comments

I earned GitHub Foundations (GH-900) in June 2025. Here's what the credential actually covers — Git and GitHub fundamentals, collaboration, Actions, Copilot, security, open source — and why a foundational GitHub certification matters when GitHub is the backbone of how we ship at ThreeBIT.

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From 'build it' to 'run it': why I earned the Azure Administrator Associate thumbnail

From 'build it' to 'run it': why I earned the Azure Administrator Associate

By Thimo Buchheister · Thursday, May 15, 2025 · 0 comments

I sat the AZ-104 exam and earned Microsoft Certified: Azure Administrator Associate in May 2025. Here's what the credential actually certifies — identity, storage, compute, networking, monitoring — and why an operations credential matters as much as developer skills when you run customer environments for a living.

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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

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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From describing AI to shipping it: Microsoft Certified: Azure AI Engineer Associate (AI-102) thumbnail

From describing AI to shipping it: Microsoft Certified: Azure AI Engineer Associate (AI-102)

By Thimo Buchheister · Wednesday, May 15, 2024 · 0 comments

I earned Microsoft Certified: Azure AI Engineer Associate (exam AI-102) in May 2024 — the hands-on counterpart to the AI-900 fundamentals. Here's what the credential actually certifies, from planning and securing Azure AI solutions to building generative AI with Azure OpenAI, RAG, computer vision and document intelligence, and how it shows up in production work for our regulated German customers.

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Why I sat the AI-900: Microsoft Certified: Azure AI Fundamentals thumbnail

Why I sat the AI-900: Microsoft Certified: Azure AI Fundamentals

By Thimo Buchheister · Thursday, February 15, 2024 · 0 comments

I earned Microsoft Certified: Azure AI Fundamentals (exam AI-900) in February 2024. Here's what the credential actually certifies — AI workloads and responsible AI, machine learning, computer vision, NLP and generative AI — and why a foundations credential matters when you build AI features for regulated customers.

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