TypeScript, C# and Turbo Pascal with Anders Hejlsberg

TypeScript, C# and Turbo Pascal with Anders Hejlsberg

From The Pragmatic Engineer by Gergely Orosz

May 13, 2026 · 1h 15m

About this episode

Anders Hejlsberg discusses his influential career in programming language design and the evolution of software development.

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. Anders details how C# was designed by a small group of experienced language designers who met a few hours each week, and he explains why tooling was just as important as the language for TypeScript’s success, and what he has learned from building…

People in this episode

Host: Gergely Orosz

Guest: Anders Hejlsberg

Topics covered

  • programming languages
  • software development
  • TypeScript
  • C#
  • AI in development
  • Anders Hejlsberg

Keywords

  • programming languages
  • software engineering
  • TypeScript
  • C#
  • Turbo Pascal
  • Delphi
  • AI-assisted development

Sponsors

Antithesis, WorkOS, turbopuffer

Mentioned in this episode

Organizations: Microsoft, Borland

Products: Turbo Pascal, Delphi, TypeScript

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