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The Pragmatic Engineer

TypeScript, C# and Turbo Pascal with Anders Hejlsberg

The Pragmatic Engineer · 2026-05-13 · 1h 15m

Episode notes

Brought to You By: • Antithesis - verify your system’s correctness without human review or traditional integration tests - and avoid bugs or outages. • WorkOS - Everything you need to make your app enterprise ready. • turbopuffer - a vector and full-text search engine built on object storage. It’s fast, cheap, and extremely scalable. - Anders Hejlsberg is a living legend and one of the most influential programming language designers of all time. He created Turbo Pascal, Delphi, C#, and also TypeScript. As well as that, he spent nearly a decade at the pioneering dev tools company, Borland, and is now in his 30th year of working at Microsoft, where he’s a Technical Fellow. In this episode, we discuss what it takes to build programming languages that developers love to use, and trace his career from writing his first compiler to creating Turbo Pascal and Delphi, and helping to pioneer modern software development through C# and TypeScript.

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