Tech Mahindra IOS Developer Interview Questions and Answers

Easy aptitude english and logical reasoning.

Q1. Tell me About yourself
Ans. 
I am an experienced IOS Developer with a passion for creating innovative and user-friendly mobile applications.
• Over 5 years of experience in IOS app development

• Proficient in Swift and Objective-C programming languages

• Strong understanding of mobile UI/UX design principles

• Familiar with RESTful APIs and third-party libraries

• Developed and launched multiple successful apps on the App Store
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Q2. Swift advantages and disadvantages
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Swift is a powerful and modern programming language for iOS development, but it has its own set of advantages and disadvantages.
• Advantages: faster performance, safer code with optionals, easier to read and write code, interoperability with Objective-C

• Disadvantages: steep learning curve for beginners, limited community support compared to other languages like Java or Python
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Q1. Salary expectation and current salary
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Q1. Basic of swift and some questions related to your past work experience.
Ans. 
Questions about basic Swift knowledge and past work experience.
• Basic Swift concepts such as optionals, closures, and protocols may be asked.

• Questions about past projects and how you approached problem-solving may also be asked.

• Examples of past work experience and projects may be requested.

• Questions about Swift syntax and best practices may be asked as well.
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Q2. Clean coding principles
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Clean coding principles ensure code readability, maintainability, and scalability.
• Use meaningful variable and function names

• Keep functions short and focused

• Avoid code duplication

• Follow SOLID principles

• Write unit tests

• Refactor regularly
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Q3. They may ask your approaches to solve problems.
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Q1. Swift basic questions
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Q1. Multi threading
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Q2. Generic function
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Q3. Dependency injection
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Q4. Struct vs Class
Ans. 
Struct is a value type, Class is a reference type in Swift.
• Structs are passed by value, Classes are passed by reference.

• Structs are immutable by default, Classes are mutable.

• Use Structs for simple data types, Classes for more complex objects.
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Q5. Type inference, type casting
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Q1. Objective C vs swift
Ans. 
Objective-C is the older language used for iOS development, while Swift is the newer, more modern language.
• Objective-C is a superset of C with Smalltalk-style messaging syntax.

• Swift is more concise and easier to read than Objective-C.

• Swift is safer due to its optionals and type interference features.

• Objective-C has been around longer and has a larger codebase, but Swift is becoming more popular.

• Many developers prefer S...read more
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Q2. Autolayouts and content
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Q1. Basic of Swift and Objective C
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Q1. Pure Technical Asking about your Project
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Q1. Salary Descussion with HR and normal HR Question
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Remove duplicate elements from list.

Q1. What is the reason to change the job?
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Q2. I was exploring for growth opportunities and IBM is a good organization to grow looking at its ML technologies IBMWatson.
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Q1. Basic iOS Questions which you can find from the internet What is Class & Structure Optional, Tupple
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Q1. Tricky question based upon manager Team management Handling multiple junior developers under you.
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Q1. What are your salary expectations?
Ans. 
I expect a competitive salary based on my experience and skills.
• I have a strong background in iOS development and have successfully completed several projects.

• I am familiar with the latest technologies and frameworks in iOS development.

• I have a proven track record of delivering high-quality code on time and within budget.

• I am confident that my skills and experience make me a valuable asset to any team.

• I am open to disc...read more
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Q2. Share details of your previous job.
Ans. 
I worked as an iOS Developer at XYZ Company.
• Developed and maintained iOS applications using Swift and Objective-C.

• Collaborated with cross-functional teams to gather requirements and deliver high-quality products.

• Implemented new features and enhancements based on user feedback.

• Optimized app performance and resolved bugs and issues.

• Worked on integrating third-party libraries and APIs.

• Participated in code reviews and prov...read more
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Q3. Why are you looking for a change?
Ans. 
I am looking for a change to explore new opportunities and challenges in my career.
• Seeking growth and advancement in my professional journey

• Want to work on more challenging projects

• Desire to learn new technologies and expand my skillset

• Looking for a better work-life balance

• Seeking a company culture that aligns with my values and goals
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Q4. Tell me about yourself.
Ans. 
I am an experienced iOS developer with a passion for creating user-friendly and efficient applications.
• I have been developing iOS applications for over 5 years.

• I am proficient in Swift and Objective-C programming languages.

• I have experience working with various frameworks and libraries such as UIKit, Core Data, and Alamofire.

• I have a strong understanding of iOS design patterns and best practices.

• I have successfully del...read more
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