IOS Developer Interview Questions

Interview Questions

• Q1. What is difference between class and struct?

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• Q2. coding to find correct or whats wrong

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• Q3. basic interview swift questions (medium to hard)

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• Q4. technical questions of different scenarios

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• Q5. what are optional?

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• Q6. Swift basic questions like quard if let optionals

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• Q7. Strong communication skills required

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• Q8. Difference between retain, copy and strong?

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• Q9. 1. Lazy property, stored properties, closures, API calls,delegates, protocol

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• Q10. What are types of memory management in iOS

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+5 interview questions

Interview Questions

• Q1. What is closure? Life cycle of escaping closure?

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• Q2. Write code to get distinct members in array with same sequence

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• Q3. What is multi threading?

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• Q4. asked basic iOS Developer interview questions

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• Q5. Define Operation queue

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• Q6. Define optionals in swift

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• Q7. Access specifiers

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• Q8. Swift Fundamentals

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• Q9. There was no technical round

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• Q10. What’s difference between class and structure

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Interview Questions

• Q1. what is GCD and Multitreadung

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• Q2. diff b/w diff and guard

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• Q3. About protocols, associated type, delegate examples

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• Q4. About singleton, is it thread safe ?

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• Q5. What is serialisation in API

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• Q6. What is MVVM architecture

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• Q7. Dependency injection and inversion

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• Q8. What is codable

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• Q9. When you can join

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• Q10. Coredata stack questions

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+8 interview questions

Interview Questions

• Q1. what are Access Controls/modifiers? public vs open?

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• Q2. How you use GIT, How to manage conflicts?

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• Q3. Code snippets for optional binding, find error ?

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• Q4. What is Weak & Unowned , ARC?

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• Q5. Basic questions related to Swift like closure, optionals, gcd, operations. Questions related to sdks like firebase, push notifications

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• Q6. What is Autoclosure?

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• Q7. Protocol vs Closures?

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• Q8. Multi threading and concurrecy

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• Q9. Swift Basics

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• Q10. Architectural patterns

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+2 interview questions

Interview Questions

• Q1. What's the difference between reference types and value types?

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• Q2. What is the difference between MVC and MVP?

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• Q3. What is the race condition and data race?

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• Q4. What types of property wrappers do you know?

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• Q5. What frameworks do you use in projects?

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• Q6. How ARC mechanism works in Swift?

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• Q7. What is MVC architecture?

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• Q8. What is retain cycle?

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• Q9. What is environmental objects?

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• Q10. What is SwiftUI?

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+3 interview questions

Interview Questions

• Q1. SwiftUI related, Combine Related, Decodable, Actor, Testing Related

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• Q2. Solid Principles, Inheritance and behavioral questions.

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• Q3. Difference between MVVM and MVC

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• Q4. App life cycle and app states?

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• Q5. 1.Difference between class and struct?

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• Q6. MultiThreading Related Questions

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• Q7. All basics of swift. Enums optionals closures protocols etc

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• Q8. Struct vs Class

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• Q9. Certificates information

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• Q10. App live all steps

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Interview Questions

• Q1. Generic question, how can you fixed any issue when no one available? How you can manage your work independently? How we can improve our product based on user experience.

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• Q2. What is the difference between frame and bounds?

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• Q3. This round is with team lead. Same hr type of question is there.

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• Q4. What is ARC in Swift?

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Interview Questions

• Q1. There questions from basic iOS concepts, design pattern, notifications, app publishing,Threading,GCD, Swift vs Objective C, creating framework, Jenkins,version control,git

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• Q2. There were two technical rounds followed by Managerial and HR Round.

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• Q3. In technical Rounds went for more than 1 hour.

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Interview Questions

• Q1. 1 - MVC PATTERN 2- CLOUSERS & it's type 3- Google SDK like Google maps 3- How u manage the constraints of any label , stick at every corner & center of view controller, when getting data from json.

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• Q2. Delegates & protocols, getting data back ward from 2- 1 view controller.

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Interview Questions

• Q1. It was a video call round with Sr. iOS Dev. Questions were more from the the side of implementation of mvvm Architecture. All the questions were around design pattern and architecture. Higher order function, reactive programing were also asked.

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• Q2. higher order function

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