Round - 1 Basic's of Object Oriented Programming, Analytical, Sorting Algorithms and Data Structures. Round - 2 Basics of Swift Programming language Round -3 Organisational, Behavioural and Project Management questions. Team Management Strategies, Conflict Resolution, Stress management and the Productivity yield.
Struct vs class difference, retain cycle.
Explain memory management in swift
Basic iOS questions only.
SOLID principles
Tech interview (iOS interview) mainly asks about the pass experience with iOS. Secondly is app architectures and architectures in comparison. Toss use RxSwift a lot so they ask about RxSwift too. Beside of that, there are some questions on iOS CocoaTouch framework. Such as UIViewController life-cycle, animation, ... The hardest part of Toss interview is the culture interview, which contains a lot of behavior questions on teamwork, planning, work methodology, etc...
Add features to interview-example project
Can you tell us about your past experiences and the technologies you use?
Standard questions: Reference vs. value types, generics, types of initializers etc.
The usual questions regarding experiences and reasons for wanting to work at DuckDuckGo.
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