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Junior Android Engineer Interview Questions

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4,316 junior android engineer interview questions shared by candidates

Few Questions on Java were asked which are as below- 1. Oops Concepts. 2. Print Prime Number 3. Array with vowels. 4. Fibo Program 5. Reverse a String Few Questions on Android were asked which are as below- 1.Activity and lifecycle of activity. 2.Fragment and lifecycle of Fragment. 3. Difference between two of them. 4. SharedPreferences. 5. Web Services (REST Api,SOAP).
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Android Developer

Interviewed at Fintoo

3.9★
Apr 18, 2019

Few Questions on Java were asked which are as below- 1. Oops Concepts. 2. Print Prime Number 3. Array with vowels. 4. Fibo Program 5. Reverse a String Few Questions on Android were asked which are as below- 1.Activity and lifecycle of activity. 2.Fragment and lifecycle of Fragment. 3. Difference between two of them. 4. SharedPreferences. 5. Web Services (REST Api,SOAP).

1st round will have 12 MCQ of android and kotlin related questions. 2nd round will be technical interview with same Java/Kotlin android questions. maybe a simple ds question (hashmap based) Topics Rxjava operators, dalvik art. 3rd round was an app assignment. 4th round was another technical interview mostly android and maybe another ds question (matrix based). some topics : activity, fragment lifecycle, viewmodel implementation, work manager. 5th round was managerial round where they will ask about your current company and frame scenarios of the negative things you'll tell them about your current company. They generally want a long term employee mindset. 6th round will be taken some IT head which will be a general discussion about you goals and targets and achievements, hobbies, etc.
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Android Developer

Interviewed at Decathlon

4★
Apr 20, 2022

1st round will have 12 MCQ of android and kotlin related questions. 2nd round will be technical interview with same Java/Kotlin android questions. maybe a simple ds question (hashmap based) Topics Rxjava operators, dalvik art. 3rd round was an app assignment. 4th round was another technical interview mostly android and maybe another ds question (matrix based). some topics : activity, fragment lifecycle, viewmodel implementation, work manager. 5th round was managerial round where they will ask about your current company and frame scenarios of the negative things you'll tell them about your current company. They generally want a long term employee mindset. 6th round will be taken some IT head which will be a general discussion about you goals and targets and achievements, hobbies, etc.

Round 1: Initial HR screening. Introduction and discussion on current CTC and salary expectations. Round 2: Proficiency test. A 40-60 min C1 level English assessment covering standard grammar and comprehension. Assignment: Build a functional Android app within 3 days. Requirements included demonstrating knowledge of Jetpack Compose, Room DB, Networking, and Clean Architecture. Round 3: Technical Panel. A deep dive into Android architecture, specifically data flow across layers (ViewModels, Repositories, and API services). This included a live code audit where I had to fork a repository, identify anti-patterns, and suggest improvements.
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Senior Android Developer

Interviewed at Full Creative

3.8★
Feb 27, 2026

Round 1: Initial HR screening. Introduction and discussion on current CTC and salary expectations. Round 2: Proficiency test. A 40-60 min C1 level English assessment covering standard grammar and comprehension. Assignment: Build a functional Android app within 3 days. Requirements included demonstrating knowledge of Jetpack Compose, Room DB, Networking, and Clean Architecture. Round 3: Technical Panel. A deep dive into Android architecture, specifically data flow across layers (ViewModels, Repositories, and API services). This included a live code audit where I had to fork a repository, identify anti-patterns, and suggest improvements.

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