Yellowpedal Technologies Mobile Application Developer Interview Questions and Answers

Aptitude round contains basic aptitude questions

In coding round string operation are important

Q1. It is all about your skills mentioned in the resume
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Q1. Asked about react native concepts like state, props, class and functional components, pure components, HOC, redux, Axios, responsive UI, security(handling token)
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Q1. About git, own libraries those u have written
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Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and requirements of the position.
• I am flexible and open to negotiation.

• I would like to be compensated fairly for my skills and experience.

• I am interested in discussing the overall compensation package, including benefits and opportunities for growth.

• I am confident that we can come to a mutually beneficial agreement.
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Q2. What is your family background?
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My family background is diverse and multicultural, with members from different professions and backgrounds.
• My father is a software engineer and my mother is a teacher.

• I have two siblings, one is studying medicine and the other is pursuing a career in finance.

• We have relatives living in different countries, which has exposed me to various cultures and perspectives.
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Q3. Share details of your previous job.
Ans. 
I worked as a Mobile Application Developer at XYZ Company.
• Developed and maintained mobile applications for iOS and Android platforms.

• Collaborated with cross-functional teams to gather requirements and design user-friendly interfaces.

• Implemented new features and enhancements to existing applications.

• Performed code reviews and debugging to ensure high-quality and bug-free applications.

• Optimized mobile applications for pe...read more
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Q4. Why are you looking for a change?
Ans. 
Looking for new challenges and growth opportunities in mobile app development.
• Seeking a more challenging role to enhance my skills and knowledge in mobile app development.

• Interested in exploring new technologies and trends in the mobile app industry.

• Want to work in a dynamic and innovative environment that fosters creativity and learning.

• Seeking better career prospects and growth opportunities.

• Looking for a company wit...read more
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Q5. Tell me about yourself.
Ans. 
I am a mobile application developer with 5 years of experience in developing iOS and Android applications.
• 5 years of experience in mobile application development

• Proficient in iOS and Android development

• Strong knowledge of programming languages such as Swift, Java, and Kotlin

• Experience in developing user-friendly and intuitive mobile interfaces

• Familiarity with mobile app testing and debugging processes

• Ability to work in
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Q1. What is mvvm in swift?
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MVVM (Model-View-ViewModel) is a design pattern used in Swift to separate the user interface logic from the business logic.
• MVVM divides the code into three main components: Model, View, and ViewModel.

• Model represents the data and business logic of the application.

• View displays the data and interacts with the user.

• ViewModel acts as a mediator between the Model and View, handling the logic for the View.

• MVVM helps in maki...read more
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Q2. What is multithreading
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Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness in applications.
• Multithreading allows multiple tasks to be executed simultaneously on a single CPU core.

• It can improve performance by utilizing idle CPU time for other tasks.

• Examples include running background tasks while the main thread handles user interactions in an iOS app.
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Q1. Data class in kotlin
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Data class in Kotlin is used to represent a simple data container with automatically generated methods like equals(), hashCode(), toString(), and copy().
• Data classes are declared using the 'data' keyword before the class keyword.

• Properties of data classes are automatically generated component functions for destructuring declarations.

• Data classes cannot be abstract, open, sealed, or inner.

• Example: data class User(val na
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Q2. Scope functions
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Q3. Explain viewmodel and mvvm
Ans. 
ViewModel is a class that stores and manages UI-related data in a lifecycle-conscious way. MVVM is an architectural pattern that separates the UI from the business logic.
• ViewModel is part of the Android Architecture Components and is used to store and manage UI-related data in a lifecycle-conscious way.

• ViewModel survives configuration changes such as screen rotations and retains its data.

• MVVM stands for Model-View-View...read more
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Q4. Higher order functions
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Q1. All technical Jetpack concept no DSA questions and asked all theoretical questions
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Q2. What are coroutine, how to secure ur app data, network call in android , ssl pinning, notification's implementation through FCM, android basic questions
Ans. 
Coroutines are a way to perform asynchronous operations in Android, securing app data involves encryption, SSL pinning enhances security, FCM for notifications.
• Coroutines are used for managing asynchronous operations in Android, allowing for efficient and non-blocking code execution.

• Securing app data involves using encryption techniques such as AES to protect sensitive information from unauthorized access.

• SSL pinning i...read more
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Q1. Basic questions from Swift
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