Paytm Interview Experience for iOS Developer | 2 Years Experienced
Paytm – iOS Developer
Round 1(Online Coding Round): 1 DSA question + 15 iOS basics questions
DSA Question –
- Find the Longest palindrome in the given string
iOS Questions –
- Queues, access specifiers, memory management, the output of the code, reference count ARC, closures, etc.
Round 2(DSA + iOS Intermediate):
- What is the auto layout, when should we use this, and make me implement auto layout in the storyboard?
- Basic array string questions
Round 3(iOS advance + Design Patterns):
- What is a singleton?
- When should we use this?
- Can we de-init a singleton object, if yes then give a real-life example where we need to de-init the singleton object?
- Design a custom UICollection view cell. Requirements were given by the interviewer.
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