The Mobile Engineer

The Mobile Engineer

Home
Archive
About
[Book Update] How does Thread class work in Swift?
Threads are, for the most part, not used directly for app development on iOS anymore. But, sometimes, it comes up as a question on iOS interviews. This…
Sep 8 • Alex Bush
4
Bumping RIBs dependencies and migrating issues from the old repo
Last week, I submitted a PR for RIBs to bump the minimum iOS requirement to iOS 15 and the RxSwift version to 6.9.0. I also started moving all the iOS…
Sep 2 • Alex Bush
1
[Book Update] What is Actor and Sendable in Swift?
These days Swift Concurrency is all the rage and you'd definitely get asked about it on iOS dev interviews. This is an excerpt from The iOS Interview…
Aug 25 • Alex Bush
3
I am officially the primary maintainer of Uber’s RIBs iOS GitHub Repository
I’m excited to help maintain and support this wonderful architecture!
Aug 11 • Alex Bush
5
Mobile Architecture at UpKeep Part 1: KMP & Clean Architecture
Mobile app architecture (iOS/Android) at UpKeep - Kotlin Multiplatform for code reusability + RIBs (Router Interactor Builder) for scalability. Part 1…
Jul 21 • Alex Bush
10
2
Semantic Versioning Dilemma
It is not straightforward, at first glance, which semantic version number of your library you should bump when you're updating its dependencies. Is it…
Jun 25 • Alex Bush
3
1
Swift 6.2 Default Concurrency Isolation and @concurrent
Apple is finally listening to feedback and simplifying asynchronous behavior in Swift Concurrency.
Jun 20 • Alex Bush
6
[WWDC 2025] Platforms State of The Union First Impressions.
My hot takes from WWDC 2025 so far.
Jun 10 • Alex Bush
9
Recommendations
Captain SwiftUI
Captain SwiftUI
Danny Bolella
Curated iOS
Curated iOS
Artjoms Vorona
Jacob’s Tech Tavern
Jacob’s Tech Tavern
Jacob Bartlett
Books & Courses
The iOS Interview Guide Book
iOS System Design Interview Course
Inside iOS Dev
Inside iOS Dev YouTube
Inside iOS Dev Podcast

The Mobile Engineer

AboutArchiveRecommendationsSitemap
© 2025 Alex Bush
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture