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Sr Android Developer Interview Questions

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1,817 sr android developer interview questions shared by candidates

Wriiten test contains 25 questions Number of threads in AsynTask, time limit of ANR, Broadcast Receiver time limit, abbreviations of JNI,ADB, sticky intent, immutable object etc. Technical interview is taken by senior person. He asked some questions in wriiten and basics of Java, Android.
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Senior Android Developer

Interviewed at Fiserv

3★
Oct 23, 2017

Wriiten test contains 25 questions Number of threads in AsynTask, time limit of ANR, Broadcast Receiver time limit, abbreviations of JNI,ADB, sticky intent, immutable object etc. Technical interview is taken by senior person. He asked some questions in wriiten and basics of Java, Android.

During the interview, only a few basic questions were asked, mainly around Android and Kotlin coroutines: What is a coroutine in Kotlin and why is it used? What is the difference between launch and async? What are different coroutine dispatchers (Main, IO, Default)? What is the role of suspend functions? Basic understanding of MVVM architecture What is Retrofit and how do you use it in Android? Difference between var and val in Kotlin
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Senior Android Developer

Interviewed at Tech Mahindra

3.4★
Apr 1, 2026

During the interview, only a few basic questions were asked, mainly around Android and Kotlin coroutines: What is a coroutine in Kotlin and why is it used? What is the difference between launch and async? What are different coroutine dispatchers (Main, IO, Default)? What is the role of suspend functions? Basic understanding of MVVM architecture What is Retrofit and how do you use it in Android? Difference between var and val in Kotlin

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