Section 24 – About the Author

Jani Järvinen is a Finnish software developer, architect, and educator with over thirty years of experience in software development and information technology.

His work has spanned desktop and web applications, system design, enterprise software, system integration, consulting and professional training. For more than fifteen years, he has led independent software development, IT consulting and training companies, working with organizations of varying sizes and domains.

Järvinen has written multiple books and numerous professional articles on software development and computing and has taught and spoken extensively on topics related to software architecture, developer practice, communication and system design. He has been recognized multiple times for his contributions to the C# and .NET ecosystems.

He is the author of the Human Code Principles, a framework that emphasizes human-centered design, craftsmanship, and ethical responsibility in software systems. JanOS builds on these principles, reflecting long-term observation of how technical systems shape human work over time.

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