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Junior Android Software Engineer Interview Questions

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6,300 junior android software engineer interview questions shared by candidates

One key thing they focused on was how I approach building scalable and maintainable Android architectures. They were particularly interested in understanding my decision-making process, how I structure projects, and how I ensure code quality and long-term maintainability in a fast-growing product environment.
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Senior Android Developer

Interviewed at Welltech

2.2★
Feb 21, 2026

One key thing they focused on was how I approach building scalable and maintainable Android architectures. They were particularly interested in understanding my decision-making process, how I structure projects, and how I ensure code quality and long-term maintainability in a fast-growing product environment.

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.

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