about 1 year ago Syntax Podcast
Extreme Native Perf on the Web with Superhuman
Wes and Scott talk with Loïc Houssier about how Superhuman builds lightning-fast, delightfully-designed email software. They dig into engineering philosophy, offline-first architecture, local databases, AI-powered productivity, and what it takes to create tools that people love.
Show Notes
- 00:00 Welcome to Syntax!
- 03:05 Inside Superhuman and Loïc’s role
- 06:49 Is Superhuman native? What’s the tech stack?
- 08:16 How Superhuman approaches product design and speed
- 12:17 Local-first architecture – Sync, storage, and performance
- 13:46 Vector search, AI, and privacy considerations
- 18:12 How the team ships fast and stays focused
- 21:27 Rethinking email for the future
- 26:54 Brought to you by Sentry.io
- 27:19 How calendar integration and smart features work
- 29:54 Where new ideas come from
- 31:54 Will there ever be a true dark mode?
- 33:02 Are people actually using keyboard shortcuts?
- 36:42 How shortcuts work and the role of the command palette
- 41:28 Engineering for speed – Costs and trade-offs
- 43:32 How Superhuman's sync engine works
- 46:09 What code runs locally and what runs on the server?
- 46:51 How Superhuman handled the Google and Cloudflare outage
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