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Paytm Mobile Engineer Interview Questions

The questions to prepare for a Paytm Mobile Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Running Median From StreamMedium

Assesses data structure and algorithm design for maintaining a median over time.

Stream ProcessingAlgorithms
Paytm
iOS GCD vs SingletonMedium

Evaluates understanding of concurrency primitives and design patterns in iOS.

Paytm
Kotlin Null Safety and Safe Calls
Medium

Evaluates Kotlin language understanding and safe handling of nullable types.

programming concepts
Paytm
Max Meetings Attendee Count
Medium

Tests interval scheduling optimization for maximizing attended events.

SchedulingGreedyAlgorithms
Paytm
ViewModel in MVVM
Medium

Assesses MVVM fundamentals and correct separation of concerns in Android apps.

androidmvvmarchitecture
Paytm
Role of Android Broadcast Receiver
Medium

Assesses Android component knowledge and event-driven communication patterns.

androidarchitecture
Paytm
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Strategies for Code Quality
Medium

Tests testing, review, and maintainability practices that support reliable delivery at scale.

best practicescode quality
Paytm
Strengths in DSA
Easy

Assesses depth of knowledge in core DSA concepts and problem-solving.

Data StructuresAlgorithms
Paytm