ivy Software Engineer Interview Questions, Process, and Tips

Q1. View life cycle
Ans. 
View life cycle refers to the process of creating, updating, and destroying views in an Android application.
• View life cycle includes methods like onCreate, onStart, onResume, onPause, onStop, and onDestroy.

• These methods are called at different stages of a view's life cycle, allowing developers to perform actions like initializing UI components, saving instance state, and releasing resources.

• For example, onCreate is cal...read more
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Q2. App life cycle with the explanation on App delegate method.
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App life cycle involves various stages like launch, background, inactive, active, and termination. App delegate methods manage these stages.
• App delegate methods are used to respond to important events in the app's life cycle, such as app launch, backgrounding, foregrounding, and termination.

• Some of the key methods in the app delegate include application(_:didFinishLaunchingWithOptions:), applicationDidEnterBackground(_...read more
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Q3. APNS architecutre.
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Q4. Higher order functions.
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Q5. URL Session using completions.
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URL Session using completions is a way to handle network requests in iOS development.
• URL Session is a class in iOS used for making network requests.

• Completions are closures that are called when a network request completes.

• Using completions allows for handling the response data or errors after a network request.

• Example: URLSession.shared.dataTask(with: url) { (data, response, error) in }
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Q6. Swift basic questions referring to mainly the keywords
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It was coding McWilliams test of 20 questions with 2 coding questions

General group discussion questions

Q1. Don’t remember the question
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Q1. Standard behavioural questions
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Q1. How do. you optimise a complex api what stratgies would you recommend
Ans. 
To optimize a complex API, consider reducing unnecessary data transfer, caching frequently accessed data, using efficient data structures, and implementing proper error handling.
• Identify and remove unnecessary data transfer to reduce latency

• Implement caching mechanisms for frequently accessed data to improve performance

• Use efficient data structures and algorithms to optimize processing speed

• Implement proper error handl...read more
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Q2. What are the cachine techniques you used in your previous project
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I used various caching techniques such as in-memory caching and database caching in my previous project.
• Implemented in-memory caching using Redis to store frequently accessed data

• Utilized database caching by storing query results in memory to reduce database load

• Used HTTP caching to cache responses at the client or server side for faster retrieval
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Round 1 : Two DSA questions on arrays and strings that went on for 45 mins.

Q1. Maximum Sum Subarray
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Q2. Anagram related string question
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Asked to implement code for linked list based quetions quetions will be on collections

Manager round asked about collections and java 8 features