Creator of TypeScript: 10x Faster Typescript, Why AI Won't Replace SWEs | Anders Hejlsberg

Anders Hejlsberg is the creator of TypeScript and C#, and I asked him about how the TypeScript compiler got 10x faster through a rewrite in Go and his thoughts on how AI has impacted software engineering. • My ergonomic keyboard project I mentioned, you can follow along here: https://read.compose.llc/ • The Kickstarter page for it: https://www.kickstarter.com/projects/... 𝗣𝗼𝗱𝗰𝗮𝘀𝘁 𝗹𝗶𝗻𝗸𝘀: • Spotify: https://open.spotify.com/episode/1thv... • Apple: https://podcasts.apple.com/us/podcast... • Transcript: https://www.developing.dev/p/creator-... 𝗧𝗵𝗮𝗻𝗸 𝘆𝗼𝘂 𝘁𝗼 𝘁𝗵𝗶𝘀 𝗲𝗽𝗶𝘀𝗼𝗱𝗲'𝘀 𝘀𝗽𝗼𝗻𝘀𝗼𝗿𝘀 𝗳𝗼𝗿 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝗺𝘆 𝘄𝗼𝗿𝗸: • WorkOS: makes your app Enterprise Ready with easy to use APIs to add SSO, SCIM, RBAC, and more in just a few lines of code, check them out at https://workos.com/ • Jira by Atlassian: Get more work done with your favorite agents and models all in one place, check them out at https://jira.dev/ 𝗧𝗶𝗺𝗲𝘀𝘁𝗮𝗺𝗽𝘀: 00:00 Intro 00:48 Why write a compiler in JavaScript 07:29 Why rewrite the compiler in Go 14:49 LLMs for large migrations 20:12 Why Javascript is so popular 26:32 Why ever use Javascript on the backend 32:59 What it takes to build a programming language 37:06 Will there be fewer languages in 10 years 42:57 Hands on engineering vs delegation 49:14 Why fast tooling matters more now 51:16 AI software engineering predictions 58:52 The most technically challenging work 01:02:04 Top book recommendation 01:03:50 Advice for his younger self 01:05:00 Outro 𝗪𝗵𝗲𝗿𝗲 𝘁𝗼 𝗳𝗶𝗻𝗱 𝗔𝗻𝗱𝗲𝗿𝘀: • GitHub: https://github.com/ahejlsberg • X/Twitter: https://x.com/ahejlsberg • Wikipedia: https://en.wikipedia.org/wiki/Anders_... • LinkedIn:   / ahejlsberg   𝗪𝗵𝗲𝗿𝗲 𝘁𝗼 𝗳𝗶𝗻𝗱 𝗥𝘆𝗮𝗻: • Newsletter: https://www.developing.dev/ • X/Twitter: https://x.com/ryanlpeterman • LinkedIn:   / ryanlpeterman   • Threads: https://www.threads.com/@ryanlpeterman • Instagram:   / ryanlpeterman   • TikTok:   / ryanlpeterman   𝗥𝗲𝗳𝗲𝗿𝗲𝗻𝗰𝗲𝗱 𝗶𝗻 𝘁𝗵𝗶𝘀 𝗲𝗽𝗶𝘀𝗼𝗱𝗲: • Flow type checker repository: https://github.com/facebook/flow • TypeScript compiler repository: https://github.com/microsoft/TypeScript • Algorithms + Data Structures = Programs (book): https://en.wikipedia.org/wiki/Algorit... • TypeScript native rewrite: https://devblogs.microsoft.com/typesc...