The Vital Guide to iOS Interviewing

True iOS expertise extends far beyond coding knowledge. Highly experienced iOS developers will have a thorough understanding of the iOS platform, its idiosyncrasies, and the relative merits and pitfalls of the various implementation options available. This guide offers a sampling of effective questions to help evaluate the breadth and depth of a candidate's mastery of the iOS platform.

Find the right Swift interview questions

Read a list of great community-driven Swift interview questions.

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Jon FabrisUnited States
Jon is a freelance front-end developer with extensive experience developing applications on desktop, web, and mobile platforms. His products include eLearning, web apps, games, and mobile (Android and iOS) applications, and his team experience includes architecture as well as leadership.
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SwiftJavaJavaScriptiOS SDKAdobe PhotoshopAdobe Creative SuiteXcodeApple XcodeAdobe PremiereAgile Software DevelopmentUser Interface DesigniOSWindows
Nick KanellopoulosGreece
Nick excels as a general problem solver in heterogeneous environments. His current focus is on native mobile apps for iOS. He feels comfortable architecting C# web services on Windows, programming an iPhone application on his Mac to consume these web services, or developing a Ruby on Rails application on Linux. He also loves using classic Unix tools to solve problems quickly.
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SwiftC#Objective-CCocoa TouchRuby on RailsiOS SDKiOS
Marco MustapicBelgium
Marco is a Senior iOS developer specializing in game development with a particular affinity for coding conceptually original apps. He has coded extensively using Objective-C, and is proficient in designing architecture, algorithmic and performance problems, and slick UI effects and customization.
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SwiftObjective-CCocoa TouchXcodeAgile Software DevelopmentiOSUI KitGame Development
Daniel MunozBolivia
Daniel has over 7 years of experience developing mobile apps. He has built everything from sales apps to medical apps. He is a developer with a passion for developing engaging, state-of-the-art apps that push the limits of technological capabilities.
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SwiftObjective-CSwift 2iOS SDKCocoa TouchXcodeiOSMac OS X
Antonio BelloPoland
Antonio is an experienced, self-motivated, result-driven, flexible freelance professional who specializes in turning business ideas into software solutions. He covers the entire software development life cycle, from concept to final product, using the best technologies.
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SwiftSQLJavaScriptC/C++Objective-CC#JavaiOS SDKASP.NET.NETNode.jsGitiOS

Swift is the new programming language for iOS and OS X development. It borrows from languages such as C, Objective-C, and other modern programming languages. A proficient Swift developer is usually someone who is already good with Objective-C. However, the programming language being used is just part of what builds a great application. If you are looking for an iOS developer specifically, please refer to our iOS Developer Job Description Template

Writing a good job description and advertisement for a Swift developer requires an emphasis to be placed on the specific technologies necessary for the project. When you are looking for an advanced Swift developer to fill a specific niche, posting a generic Swift developer description in your job ad will bring numerous applications from people who are unfamiliar with the required technologies or have very limited knowledge of the platform as a whole.

This article will provide you with a sample Swift developer job description that will help you write a perfect job ad, and assure that you easily find and hire the person that matches your specific criteria.

Swift Developer - Job Description and Ad Template

Company Introduction

{{Write a short and catchy paragraph about your company. Make sure to provide information about the company’s culture, perks, and benefits. Mention office hours, remote working possibilities, and everything else you think of that makes your company interesting.}}

Job Description

We are looking for a Swift developer responsible for the development and maintenance of applications aimed towards iOS and OS X, including mobile phones, tablets, and full-fledged computers. Your primary focus will be the development of such applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.


  • Design and build applications for iOS and OS X
  • Ensure the performance, quality, and responsiveness of applications
  • Collaborate with a team to define, design, and ship new features
  • Identify and correct bottlenecks and fix bugs
  • Help maintain code quality, organization and automatization
  • {{Add other responsibilities here that are relevant}}


  • Proficient in Swift, with a good knowledge of its ecosystems
  • Solid understanding of object-oriented programming
  • Experience with Cocoa APIs on OS X
  • Good knowledge of performance limits and characteristics
  • Knowledge of memory management and multi-threading
  • Experience with embedded databases and other system datastores
  • Familiarity with RESTful APIs to connect to back-end services
  • Good sense of UI design and a user-oriented focus
  • Knowledge of low-level C-based libraries is a plus
  • Implementation of automated testing platforms and unit tests
  • Knack for benchmarking and optimization
  • Understanding of Apple’s design principles and interface guidelines
  • Proficient understanding of code versioning tools {{e.g. Git, Mercurial or SVN}}
  • Familiarity with continuous integration
  • {{Make sure to mention any frameworks, libraries, or any other technology relevant to your project}}
  • {{List education level or certification you require}}
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