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Senior Ios Engineer Interview Questions
2,083 senior ios engineer interview questions shared by candidates
What have you been working on lately?
Verbatim from the non-English engineer: "OS reads 4KB of data, the file can be 1KB but OS stores in 4K. It has this function: int read4K(buffer). Can you write function int read(buffer, int) that uses read4K(buffer) so apps can call it?"
How do you approach unit testing private methods in a codebase?
Add a feature from a provided Figma design, into a project on GitHub.
given an N-ary tree, print the boundary nodes in anti-clockwise order. • In a Binary Search Tree, find the value closest to a given double (recursively). • Implement a rate limiting API algorithm; extend the discussion into iOS-related implementation details. • System design: build a dating app like Tinder, focusing on scalability, user matching, and real-time performance.
Interview mainly wanted to do a test project of a modified Fibonacci sequence algorithm.
Given a skeleton project, how would you implement a grid view with X behavior?
Mutations and how it work with struct and class
Interview started with an odd situation. Interviewer told me, my name is very funny....Then Ha Ha Ha Ha !!!! What???? He stoped his webcam, But As my webcam is on, I saw myself and answering his question by watching myself. There is no eye contact and watching youself on your computer and answering question is a bit tricky. On the other hand, his toddler son is disturbing him while he was asking questions to me. I requested 3/4 times that I didn't understand you question, because of his son's screaming loudly. Overall, a very bad experiance to me.
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