# John Sundell

> John Sundell is a Swift and Rust developer, writer and podcaster who runs Swift by Sundell, a weekly publication of articles, tips, podcasts and videos read in well over a hundred countries. A former lead iOS developer at Spotify, he went indie to build apps, games and a stack of widely used open-source developer tools - including the static site generator Publish, the type-safe HTML DSL Plot, the Markdown parser Ink and the syntax highlighter Splash. He is based in Gdansk, Poland.

- **Role:** Creator and maintainer at Swift by Sundell
- **Organizations:** Swift by Sundell, Sundell sp. z o.o., Spotify (former), Hyper (former), Volvo (former)
- **Nationality:** Swedish
- **Known for:** Built Swift by Sundell into one of the most-read independent Swift publications, reaching readers in 177+ countries, Led iOS development at Spotify and shipped internal frameworks including the Hub Framework, Created and maintains widely used open-source Swift tools: Publish, Plot, Ink, Splash, Files, ShellOut and Codextended

## Career timeline

- **2013** — Joined Spotify on May 1st, eventually leading iOS development
- **2016** — Left Spotify after 3.5 years to go freelance and moved to Poland
- **2017** — Launched Swift by Sundell with a challenge to publish a new article every week
- **2017** — Started the Swift by Sundell podcast and co-hosted the Stacktrace podcast
- **2018** — Speaking at developer conferences globally
- **2019** — Released open-source tools Publish, Plot, Ink and Splash
- **2025** — Relaunched Swift by Sundell after a hiatus, now also working with Rust

## Achievements

- Built Swift by Sundell into one of the most-read independent Swift publications, reaching readers in 177+ countries
- Led iOS development at Spotify and shipped internal frameworks including the Hub Framework
- Created and maintains widely used open-source Swift tools: Publish, Plot, Ink, Splash, Files, ShellOut and Codextended
- Co-hosted the Stacktrace podcast and hosts the Swift by Sundell podcast
- Amassed 7.5k+ GitHub followers and tens of thousands of stars across his repositories

## Latest updates

- **2025-03** — Relaunched Swift by Sundell after a hiatus, with new articles and videos
- **2025** — Describing himself as a freelance Swift and Rust software developer

## Links

- Website: https://www.swiftbysundell.com
- LinkedIn: https://www.linkedin.com/in/johnsundell
- Twitter/X: https://twitter.com/johnsundell
- GitHub: https://github.com/JohnSundell
- YouTube: https://www.youtube.com/@johnsundell1741
- Bluesky: https://bsky.app/profile/johnsundell.bsky.social

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Profile page: https://yespress.io/john-sundell
Published by YesPress — https://yespress.io
Last updated: 2026-06-03