Book Image

The Ultimate iOS Interview Playbook

By : Avi Tsadok
Book Image

The Ultimate iOS Interview Playbook

By: Avi Tsadok

Overview of this book

As an iOS developer, you must possess a diverse skill set encompassing Swift coding, design knowledge, and mastery of development tools. And while the demand for iOS developers remains high, the competition for landing your dream job has intensified in recent years. Being a skilled iOS developer is no longer enough — acing interviews is now just as essential as having technical expertise. In The Ultimate iOS Interview Playbook, you'll discover innovative ways to stand out as an iOS developer and pass every job interview. It will guide you to build your developer brand and present your skills to potential employers. This comprehensive guide covers over 100 interview questions, from Swift fundamentals and frameworks to complex design patterns and app architecture. You'll learn how to approach coding assessments like a pro and avoid red flags that could hinder your chances of success. Drawing from the author’s experience of interviewing hundreds of iOS developers and having been a candidate themself, this book addresses the challenges of showcasing your skills and knowledge within a limited timeframe. By the end of this book, you'll be ready to excel in any iOS interview, demonstrating your strengths and confidently tackling even the most challenging questions, ultimately paving the way to secure the job you've always wanted.
Table of Contents (20 chapters)
Part 1: Everything about Interviews
Part 2: Swift Language and Coding
Part 3: The Frameworks
Part 4: Design and Architecture

What this book covers

Chapter 1, Before the Interview, describes the actions we need to take before the interview itself, including company research, resume writing, and interview preparations.

Chapter 2, Going through the Interview Process, provides an overview of the interview process, including its different steps and their goals.

Chapter 3, Developer Branding, covers how to leverage our brand as developers, such as creating impressive GitHub and Stack Overflow accounts, working on personal projects, and authoring.

Chapter 4, Data Structures and Algorithms, explores the building blocks of Swift and coding in general. It delves into topics such as structs, classes, arrays, Codable, dictionaries, and sets. The chapter includes common interview questions and examples.

Chapter 5, The Swift Programming Language, provides an important overview of the Swift language fundamentals. It covers topics such as optionals, access control, closures, protocols, memory management, and generics. The chapter includes code examples and interview questions.

Chapter 6, Managing Your Code, covers a different aspect of being an iOS developer and helps to develop other important skills, such as planning, testing, debugging, and documentation.

Chapter 7, Building Great User Experiences with UIKit, examines one of the most important frameworks in iOS development – UIKit. It includes topics such as Auto Layout, UIView, UIViewController, UITableView, navigation, and animations. The chapter provides full explanations with code examples and interview questions.

Chapter 8, SwiftUI and Declarative Programming, explores the future of iOS development by focusing on SwiftUI and declarative programming. Even if you have no experience in this field, this chapter is crucial. It covers declarative programming, states and observable objects, navigation, SwiftUI life cycles, and Combine.

Chapter 9, Understanding Persistent Memory, covers a less common interview topic. It provides a glimpse into Core Data, UserDefaults, Keychain, and Files. The main goal of this chapter is to prepare us for advanced stages such as design and architecture interviews.

Chapter 10, Libraries Management, provides an overview of integrating third-party libraries into our projects (a critical skill for developers these days) and also modularizing our project. This chapter includes interview questions and code examples as well.

Chapter 11, Design Patterns to Solve Complex Questions, covers the toolsets needed to have an effective design in our projects. It provides an overview of the most common patterns in iOS development, such as MVC, MVVM, dependency injection, delegation, singleton, and concurrency.

Chapter 12, Drilling into App Architecture, explores what app architecture means and the basic concepts of building great architecture. It includes the separation of concerns principle, app layers, protocol usage, and networking.

Chapter 13, Acing the Coding Assessment, examines the coding part of the interview, including whiteboard and remote tasks. The chapter explains how to prioritize our work, approach a coding interview, and avoid exposing red flags.