#iOSInterview
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alaxhenry0121.bsky.social
I just published GCD, OperationQueue, Swift Concurrency. medium.com/p/gcd-operat...
#iOS #Swift #GCD #iOSDev #SwiftConcurrency #DispatchQueue #OperationQueue #iOSInterview #Actor #AsyncAwait #MainActor #Sendable #TechInterview #MobileDevelopment #SoftwareEngineering
GCD, OperationQueue, Swift Concurrency.
iOS concurrency interviews span 15 years of APIs — from raw threads to GCD queues, OperationQueue dependencies, and Swift’s structured…
medium.com
March 24, 2026 at 2:19 AM
alaxhenry0121.bsky.social
I just published They Asked Me ‘How Do You Abstract Your Data Layer?’ medium.com/p/they-asked...
#iOSDevelopment #Swift #CleanArchitecture #RepositoryPattern #iOSInterview #MVVM #SwiftUI #Combine #SwiftConcurrency #MobileDevelopment #SoftwareArchitecture #TechInterview #iOSDev #CoreData #URLSession
They Asked Me “How Do You Abstract Your Data Layer?”
The Repository Pattern in Swift: clean architecture, real code, and the interview answers that separate mid-level developers from seniors
medium.com
February 24, 2026 at 12:45 AM
alaxhenry0121.bsky.social
I just published RxSwift or Combine?
The Question That Exposes Whether You Actually Understand Reactive Programming medium.com/p/rxswift-or...
#iOS #Swift #RxSwift #Combine #ReactiveProgramming #iOSInterview #SwiftUI #SwiftConcurrency #MobileDevelopment #TechInterview #iOSDev #AsyncAwait
RxSwift or Combine? The Question That Exposes Whether You Actually Understand Reactive Programming
Senior iOS interviews don’t just ask you to name operators. They ask you to explain backpressure, retention cycles, scheduler switching…
medium.com
March 10, 2026 at 2:45 AM
alaxhenry0121.bsky.social
I just published iOS Native Build Systems and Dependency Management: Interview Questions That Will Test Your… medium.com/p/ios-native... #iOSDevelopment #Swift #Xcode #SwiftPackageManager #CocoaPods #iOSInterview #TechInterview #AppleDevelopment #MobileDevelopment #BuildSystems #DependencyManagement
iOS Native Build Systems and Dependency Management: Interview Questions That Will Test Your…
Essential iOS interview Q&A on Xcode build system, SPM, CocoaPods, and dependency management. Real questions with expert answers.
medium.com
February 4, 2026 at 11:54 PM
alaxhenry0121.bsky.social
I just published Clean Architecture in iOS: Understanding Layers and Responsibilities for Junior Developers medium.com/p/clean-arch...
#iOS #CleanArchitecture #iOSDevelopment #Swift #SwiftUI #SoftwareArchitecture #iOSInterview #CodingInterview #MobileDevelopment #SoftwareEngineering #iOSTips
Clean Architecture in iOS: Understanding Layers and Responsibilities for Junior Developers
Master the fundamental principles of Clean Architecture with practical Swift examples, common interview questions, and proven answers that…
medium.com
February 9, 2026 at 4:58 AM
alaxhenry0121.bsky.social
I just published Stop Winging It: iOS State Management Strategies Interviewers Actually Ask About medium.com/p/stop-wingi...
#iOSDevelopment #Swift #StateManagement #SwiftUI #MVVM #TCA #iOSInterview #MobileEngineering #Combine #SwiftConcurrency #SoftwareArchitecture #iOSArchitecture
Stop Winging It: iOS State Management Strategies Interviewers Actually Ask About
Real Q&A, working Swift code, and the mental models that separate senior engineers from the rest — all in one deep dive.
medium.com
March 3, 2026 at 1:00 AM
alaxhenry0121.bsky.social
I just published Stop Hardcoding Your Dependencies: The iOS Developer’s Complete Guide to Dependency Injection medium.com/p/stop-hardc...
#iOS #iOSDevelopment #Swift #DependencyInjection #SwiftUI #iOSInterview #CleanArchitecture #SOLID #ProtocolOrientedProgramming #MobileDevelopment #Swinject
Stop Hardcoding Your Dependencies: The iOS Developer’s Complete Guide to Dependency Injection
Every senior iOS engineer gets asked this in interviews. Here’s exactly what to say — and the Swift code to back it up.
medium.com
February 19, 2026 at 12:36 AM
alaxhenry0121.bsky.social
I just published Mastering iOS Performance Monitoring: FPS and Memory Usage Interview Questions Answered medium.com/p/mastering-...
#iOS #iOSDev #Swift #PerformanceOptimization #TechnicalInterview #iOSInterview #MemoryManagement #ARC #Instruments #Xcode #MobileDevelopment #AppleDeveloper #SwiftUI
Mastering iOS Performance Monitoring: FPS and Memory Usage Interview Questions Answered
Master iOS interview questions on FPS monitoring, memory profiling, and performance optimization with expert answers and practical examples.
medium.com
February 6, 2026 at 1:26 AM
alaxhenry0121.bsky.social
I just published App Permissions and Security Basics: Essential iOS Interview Questions with Expert Answers medium.com/p/app-permis...
#iOS #iOSDeveloper #Swift #iOSSecurity #AppSecurity #MobileSecurity #iOSInterview #TechInterview #AppleDeveloper #Keychain #Biometrics #SwiftUI #iOSDevelopment
App Permissions and Security Basics: Essential iOS Interview Questions with Expert Answers
Nail your iOS interview with expert answers on permissions, Keychain, App Transport Security, and iOS security best practices.
medium.com
February 3, 2026 at 3:14 AM
alaxhenry0121.bsky.social
I just published iOS Interview Guide: Testing Fundamentals — Unit Tests vs UI Tests medium.com/p/ios-interv...
#iOS #iOSDevelopment #XCTest #XCUITest #UnitTesting #UITesting #Swift #iOSInterview #MobileDevelopment #TestDrivenDevelopment #iOSTips #CodingInterview #SoftwareTesting #AppleDeveloper
iOS Interview Guide: Testing Fundamentals — Unit Tests vs UI Tests
Learn iOS testing fundamentals with expert sample answers for unit tests vs UI tests interview questions.
medium.com
February 2, 2026 at 12:08 AM