Swift by Sundell

Swift by Sundell

www.swiftbysundell.com/podcast
Answering your questions about Swift development and beyond.


62: “Backend-driven UIs”, with special guest Kate Castellano
Dec 5 • 65 min
Kate Castellano joins John to discuss how views and UIs can be made more dynamic and data-driven, and how that could even enable certain views to get their entire layout configuration from the server. Also, view models, handling loading states, and much…
61: “End-to-end Swift”, with special guest Tim Condon
Nov 22 • 71 min
Tim Condon, server-side Swift developer, writer and conference organizer, joins John to talk about all things networking. From organizing and abstracting networking code on the client-side, to using Swift on the server, and how to combine the two in order…
60: “Deploying SwiftUI in production”, with special guest David Smith
Nov 7 • 83 min
Indie iOS and watchOS developer “Underscore” David Smith joins John to discuss the current state of Apple Watch app development, and how SwiftUI is changing how watchOS apps are built. Also, managing and prioritizing multiple projects, Swift vs…
59: “A major step forward”, a SwiftUI special with Josh Shaffer
Oct 22 • 52 min
Josh Shaffer, engineering director with the UIKit and SwiftUI team at Apple, joins John to go on a deep dive into SwiftUI. What inspired the creation and design of SwiftUI, how does it impact the way apps are developed and architected, how is Apple using…
58: “Swift for Machine Learning”, with special guests Paige Bailey and Brennan Saeta
Oct 8 • 51 min
John is joined by Paige Bailey and Brennan Saeta from the Swift for TensorFlow team at Google, to talk about the work they’re doing adopting and adapting Swift for Machine Learning. What makes Swift a good fit for this task, how might the language need to…
57: “Audio and Swift”, with special guest Adam Bell
Sep 24 • 82 min
Adam Bell joins John to talk about audio programming in Swift, and how SwiftUI makes rendering visual representations of audio and other custom shapes easier than ever before. Also, reverse engineering, mixing SwiftUI with UIKit and other view frameworks,…
56: “The power of software”, with special guest Ish ShaBazz
Sep 13 • 68 min
Ish ShaBazz joins John to talk about indie app development, planning and productivity, deciding which system features to adopt and what trends to follow, what’s new in Xcode 11 and Swift 5.1, and much more.
55: “A whole new world”, with special guest Marin Todorov
Aug 30 • 80 min
Marin Todorov joins John to talk about bridging the gap between UIKit, Combine and SwiftUI, how to design intuitive and robust APIs, and how the developer community can augment Apple’s SDKs through open source.
54: “Swift 5.1, iOS 13 and iPadOS”, with special guests Benedikt Terhechte and Bas Broek
Aug 13 • 84 min
Benedikt Terhechte and Bas Broek join John to dive into iOS 13 and iPadOS, as well as Swift 5.1 — how it powers SwiftUI, and if it would be possible to backport parts of SwiftUI to earlier iOS versions. Also, text editors, new iPhone and iPad UI…
53: “The Swift Apple”, with special guest Brent Simmons
Aug 1 • 75 min
Longtime Apple platforms developer Brent Simmons joins John to discuss how SwiftUI is ushering in a new era for Apple’s developer tools, and how we as third party developers can prepare for it. Also, Mac development, lots of tips for writing efficient…
52: “Diving into Combine”, with special guest Casey Liss
Jul 18 • 88 min
Casey Liss joins John to talk about Apple’s newly announced Combine framework for reactive programming, how it compares to existing tools like RxSwift, and different strategies for adopting it. Also, unit testing, life as an indie developer, and much more.
51: “Accessibility is for everyone”, with special guest Kaya Thomas
Jul 4 • 64 min
Kaya Thomas joins John to talk about Apple’s various accessibility technologies and how SwiftUI is taking things to a whole new level. Also, how UI testing and accessibility are closely related, and what makes declarative UI development so powerful.
50: “Swift’s past, present and future”, with special guest Chris Lattner
Jun 20 • 81 min
Chris Lattner, creator of Swift, joins John on this 50th episode of the show — to discuss the current state of Swift and how it came to be, as well as to speculate about what the future of the language and its ecosystem might look like.
49: “A big buffet of frameworks”, with special guest James Thomson
Jun 6 • 83 min
It’s time for the 2019 Swift by Sundell WWDC special, featuring PCalc creator James Thomson — who, with his over 25 years of experience developing apps for Apple’s platforms, joins John to discuss SwiftUI, Catalyst, and the other exciting tools and…
48: “Automate all the things”, with special guest Simon Støvring
May 21 • 73 min
Automation enthusiast and Scriptable developer Simon Støvring joins John to discuss automation, scripting, and building tools. Also, app modularity, frameworks, and what it would take to bring automation on Apple’s platforms to the next level.
47: “Your North Star”, with special guest Mayuko Inoue
May 9 • 75 min
iOS developer and YouTuber Mayuko Inoue joins John to discuss team work and how a solid code structure can make teams more productive. Other topics include goal setting, how to grow as an engineer, and contributing to open source.
46: “A desire for simplicity and performance”, with special guest Michael Ilseman
Apr 23 • 43 min
Michael Ilseman, developer on the Swift team at Apple, joins John to go on a deep dive into the String type, its implementation, and its related APIs. Topics range from the way Swift’s String API is designed, to its underlying complexities, and practical…
45: “That’s why we refactor”, with special guests Chris Eidhof and Matt Gallagher
Apr 9 • 94 min
Chris Eidhof and Matt Gallagher join John to discuss app architecture, RxSwift and Functional Reactive Programming, and how to decide what patterns, frameworks, and concepts to adopt when architecting and building an app.
44: “Pull up the time profiler”, with special guest Janina Kutyn
Mar 29 • 69 min
Janina Kutyn, former Apple Music developer and now an iOS developer in Amsterdam, joins John for a UI development special! Topics include various techniques for building UIs and layouts, measuring and fixing performance problems, and supporting different…
43: “The temporal axis of space-time”, with special guest Dave DeLong
Mar 14 • 85 min
Dave DeLong, former Apple developer evangelist and now iOS architect and instructor, joins John to talk about handling dates in code, MVC & app architecture, Mac development, and to tell stories of how WWDC is put together.
42: “Pragmatic priorities”, with special guest Ted Kremenek
Feb 26 • 49 min
Ted Kremenek, manager of the Languages and Runtimes team at Apple, joins John to talk about Swift 5 — focusing on ABI stability and what it means for the future of the language, how the underpinnings of String have been improved in this release, how Apple…
41: “The ultimate small company”, with special guest Dave Verwer
Feb 14 • 82 min
Dave Verwer joins John to take a look behind the scenes of the iOS Dev Weekly newsletter, to talk about working as an indie and how to increase your chances of success as an indie creator or developer, juggling multiple projects, as well as iOS…
40: “Throwing a JPEG over a wall”, with special guest Ben Sandofsky
Jan 29 • 94 min
Ben Sandofsky, the developer behind the camera app Halide, joins John for this season 3 premiere of the show — to talk about designer/developer collaboration, what goes into building a camera app, iOS app architecture, handling dependencies, minimizing an…
39: “Sundell by Unwrapped”, a Holiday Special featuring JP Simard and Jesse Squires
Dec 20, 2018 • 82 min
JP Simard and Jesse Squires, the hosts of Swift Unwrapped, join John for this year’s Holiday Special. Topics include ways that Swift has evolved during the year, what’s coming up in Swift 5, maintaining open source projects, and continuing the tradition…
38: “Delete derived data in our sleep”, with special guest Kristina Fox
Dec 6, 2018 • 71 min
Kristina Fox, iOS and watchOS developer at Intuit, joins John to talk about Apple Watch development, building UI using storyboards vs in code, growing into a senior developer, and how to use change as a learning opportunity.
37: “The test of time”, with special guest Ellen Shapiro
Nov 21, 2018 • 93 min
Ellen Shapiro joins John to talk about all sorts of automated testing — unit tests, integration tests, UI test, you name it! The two also discuss Ellen’s recent adventures into Kotlin and whether Kotlin Native could become a nice cross-platform solution…
36: “Promises everywhere”, with special guest Max Howell
Nov 8, 2018 • 80 min
Max Howell, creator of Homebrew and PromiseKit, joins John to talk about package manager design, asynchronous programming, interview processes, and also to tell some stories of how the Swift Package Manager was born.
35: “Onion architecture”, with special guest Rahul Malik
Oct 24, 2018 • 75 min
Rahul Malik of Pinterest joins John to talk about working on a large-scale iOS app, using third party build systems, client/server networking architectures and much more.
34: “Pure functions”, with special guests Brandon Williams and Stephen Celis
Oct 12, 2018 • 82 min
Brandon Williams and Stephen Celis, formerly iOS developers at Kickstarter and now hosts of Point-Free, join John to talk about functional programming in Swift, and how it can be used to build apps, websites, and even control the world.
33: “Everything is an animation”, with special guest Nick Lockwood
Sep 27, 2018 • 83 min
Nick Lockwood, Core Animation veteran and creator of tools like SwiftFormat, joins John to talk about animations, layout, building parsers & compilers in Swift, declarative UI patterns and much more.
32: “Rapid fire interviews”, with special guests Alek, Anastasiia, Janina & JP
Sep 18, 2018 • 50 min
John heads to the Swift & Fika conference in Stockholm and, equipped with his portable recorder, speaks to four special guests about topics ranging from security to rendering performance to static analysis.
31: “Code signing, but for APIs”, with special guest Felix Krause
Aug 29, 2018 • 81 min
Felix Krause, creator of fastlane, joins John to talk about building developer tools, scaling open source projects, automation, code signing, how fastlane came to be, and how to take the perfect Twitter profile picture.
30: “Do you wanna be my mentee?”, with special guest Sean Allen
Aug 18, 2018 • 70 min
Sean Allen, YouTuber and host of Swift News, joins John to talk about sharing, creating content for the Swift community, mentoring and giving feedback, teaching new technologies, interviewing and much more.
29: “Flexing your learning muscle”, with special guest Niels van Hoorn
Aug 3, 2018 • 58 min
Niels van Hoorn of Framer joins John to talk about prototyping, experimentation and learning new technologies. When and how to use prototypes, trying out new frameworks and techniques, the value of building your own tools and much more.
28: “Long-term code evolution”, with special guest Peter Steinberger
Jul 19, 2018 • 81 min
Peter Steinberger, creator and CEO of PSPDFKit, joins John to talk about building and maintaining a large framework project, how PSPDFKit came to be, how his team works with Radar, and all the challenges and excitement that comes with running a business…
27: “Exponential open source effect”, with special guest Ryan Nystrom
Jul 4, 2018 • 73 min
Ryan Nystrom of Instagram joins John to talk about data-driven UI development, working on open source, how to optimize performance, becoming an engineering manager and much more.
26: “Bootstrap our way there”, with special guest David Hart
Jun 22, 2018 • 60 min
David Hart, regular contributor to the Swift Package Manager, joins John to discuss the present and future of the SwiftPM project - how to get started both using and contributing to it, and how it lets the community build tools on top of it.
25: “Segue into Marzipan”, with special guest Ben Scheirman
Jun 7, 2018 • 73 min
Ben Scheirman, creator of NSScreencast, joins John for a special WWDC episode of the show — to talk about the cool new things that Apple announced at the conference. iOS 12’s focus on performance, UIKit apps on the Mac, what’s new in Xcode and Swift 4.2,…
24: “The definition of debugging”, with special guest Carola Nitz
May 23, 2018 • 53 min
Carola Nitz joins John to talk about LLDB and debugging, her work on the open source VLC app, how she got her previous job at Apple, and much more.
23: “Epic compiler quest”, with special guests Harlan Haskins and Robert Widmann
May 10, 2018 • 62 min
Harlan Haskins and Robert Widmann, who are both regular contributors to the Swift compiler, join John to take a deep dive into the internals of Swift, its type system, the compilation process and how they used LLVM to build their own programming language.
22: “A path for learning”, with special guest Meghan Kane
Apr 25, 2018 • 59 min
Meghan Kane joins John for a special Machine Learning episode of the show — talking about how to get started with tools like CoreML and TensorFlow, what they can be used for, deciphering the terminology, how Swift might be used for ML tooling in the…
21: “The sweeter Mac app”, with special guest Benedikt Terhechte
Apr 10, 2018 • 58 min
Benedikt Terhechte joins John to talk about Mac development, working as an indie developer, code sharing between Apple’s platforms, extending the standard library, system packages, and much more.
20: “A dependency injection kind of guy”, with special guest Radek Pietruszewski
Apr 2, 2018 • 56 min
Radek Pietruszewski, software writer at Nozbe and creator of SwiftyUserDefaults, joins John to talk about developer seniority, being inspired by the React paradigm, singletons & dependency injection, micro features and much more.
19: “Proposal tour”, with special guest Erica Sadun
Mar 19, 2018 • 54 min
Erica Sadun joins John to talk about Swift Evolution and its proposal process, civility in the community, the state of Apple’s developer tools, protocol extensions, Swift Foundation vs Objective-C Foundation and much more.
18: “It’s like The Matrix”, with special guest Tanner Nelson
Mar 13, 2018 • 54 min
Tanner Nelson, creator of the Vapor web framework, joins John to talk about the present & future of server-side Swift, designing Vapor’s API, Apple’s new SwiftNIO project, marrying the concepts of Swift with the web, and much more.
17: “Squirrel Syndrome”, with special guest Janie Clayton
Mar 2, 2018 • 47 min
Janie Clayton, author of the Metal Programming Guide, joins John to talk about Metal, GPU & graphics programming, shaders, when to dive into lower levels of abstraction, and much more.
16: “Better than accessible”, with special guest Sommer Panage
Feb 1, 2018 • 50 min
Sommer Panage joins John to talk about all things accessibility, adaptive UIs, learning new APIs, UI testing, her secret (well, not so secret) life as a circus artist, and much more.
15: “My interpretation of functional programming”, with special guest Chris Eidhof
Jan 22, 2018 • 52 min
Chris Eidhof, founder of objc.io and co-host of Swift Talk, joins John to talk about app architecture, functional programming, the “rockstar developer culture”, picking database solutions and much more.
14: “Holiday Special”, with special guests Tobias Due Munk, Nataliya Patsovska & Patrick Balestra
Dec 22, 2017 • 54 min
Tobias Due Munk, creator of Slør, Nataliya Patsovska from iZettle and Patrick Balestra, co-organizer of the Swift Alps & AppBuilders conferences, join John on this special holiday episode of the show! Personal stories about learning new technologies,…
13: “My DNA is on GitHub”, with special guest Orta Therox
Dec 13, 2017 • 50 min
Orta Therox from Artsy joins John to talk about building developer tools, working on and maintaining open source projects, React Native, balancing coding time with personal time and much more.
12: “A pretty good job for a view controller”, with special guest Matthias Tretter
Nov 28, 2017 • 47 min
Matthias Tretter of MindNode joins John to talk about Auto Layout, working on the iPad, refactoring Massive View Controllers, dealing with old code and much more.
11: “Don’t use this for evil”, with special guest Mike Ash
Nov 14, 2017 • 47 min
Mike Ash joins John to talk about reference counting, learning new APIs, Swift tooling vs new language features, what if Swift would’ve been Objective-C 3.0, and much more.
10: “Boy, I have a lot of thoughts on this”, with special guest Soroush Khanlou
Nov 7, 2017 • 48 min
Soroush Khanlou joins John to talk about blogging, MVVM and other iOS architecture patterns, unit testing, new features in iOS 11 & Xcode 9 and much more.
9: “The answer is YES”, with special guest Paul Hudson
Oct 31, 2017 • 46 min
Paul Hudson of Hacking with Swift joins John to talk about learning & teaching Swift, Storyboards vs XIBs vs code, game development, Swift on the server and much more.
8: “Time traveling is always cool”, with special guests Marin Todorov and Florent Pillet
Oct 19, 2017 • 49 min
Marin Todorov and Florent Pillet, two of the four authors of Ray Wenderlich’s RxSwift book, join John to talk about Rx, reactive programming, debugging, learning new technologies and much more.
7: “Spelunking the firmware”, with special guest Gui Rambo
Sep 29, 2017 • 48 min
Gui Rambo joins John to talk about reverse engineering, finding product details in leaked Apple firmware & SDKs, getting started with Mac development & open source, and much more.
6: “Somewhere between the view and the model”, with special guest Agnes Vasarhelyi
Sep 22, 2017 • 48 min
Agnes Vasarhelyi of Topology Eyewear joins John to talk about moving to San Francisco, AR, architecture, getting started with iOS development and much more.
5: “Escape into the open source world”, with special guest Louis D’hauwe
Sep 7, 2017 • 47 min
Louis D’hauwe joins John to answer questions about architecture, UI design, compilers, creating a programming language and much more.
4: “Fake Canadian”, with special guest Ash Furrow
Aug 30, 2017 • 48 min
Ash Furrow from Artsy joins John to answer questions about being inspired by other languages, asynchronous programming, doing test-driven development and much more.
3: “Talking with the server it’s supposed to”, with special guests Anastasiia Voitova and Marcin Krzyzanowski
Aug 18, 2017 • 47 min
Anastasiia Voitova and Marcin Krzyzanowski join John to answer questions about security and encryption in Swift. Topics range from cryptography frameworks and algorithms to how to protect keys and user data and avoiding problems with SSL pinning.
2: “It’s a lot like cleaning your house”, with special guest Roy Marmelstein
Aug 8, 2017 • 40 min
Roy Marmelstein from Spotify joins John to answer questions about getting started with open source, expressive code, working in a large development team, using RxSwift at scale and more. He also speaks about his first 6 months at Spotify and his work…
1: “Hello world”,
Aug 2, 2017 • 36 min
In this first episode of the Swift by Sundell podcast — John gives an introduction to the show’s concept and answers the first set of questions, submitted by members of the Swift community.