Mobile Application Developer Interview Questions

510 mobile application developer interview questions shared by candidates

The process was pretty complex and it was simplified a bit since then, and it was pretty impressing. They don't do any silly gotcha coding questions. They do test basic CS fundamentals pretty heavily, but they are smart about it. Mobile platform questions. Simple coding question in Java, Objective-C and C++, questions about platform API (basics to check if you really code in it), and multithreading concepts. Take home assignment - optimization problem (I believe they don't do it any more) with elements of OOD. On-site coding round (leetcode style puzzles, basic CS concepts, data structures, threading, memory management, code review). On-site design round. Designing complete mobile app, frontend and backend (architecture, no visuals). Discussing various constraints, changing requirements as you go, to check if your design is adaptable. On-site company culture fit round with manager. HR round with compensation expectations. On-site team culture fit round with direct team lead.
Dec 21, 2021

The process was pretty complex and it was simplified a bit since then, and it was pretty impressing. They don't do any silly gotcha coding questions. They do test basic CS fundamentals pretty heavily, but they are smart about it. Mobile platform questions. Simple coding question in Java, Objective-C and C++, questions about platform API (basics to check if you really code in it), and multithreading concepts. Take home assignment - optimization problem (I believe they don't do it any more) with elements of OOD. On-site coding round (leetcode style puzzles, basic CS concepts, data structures, threading, memory management, code review). On-site design round. Designing complete mobile app, frontend and backend (architecture, no visuals). Discussing various constraints, changing requirements as you go, to check if your design is adaptable. On-site company culture fit round with manager. HR round with compensation expectations. On-site team culture fit round with direct team lead.

Logical reasoning questions in the assessment. Android/Kotlin core concepts (Lifecycle, Coroutines, Jetpack Compose). Past project discussions (how I solved ANRs, architecture choices). Behavioral questions about working in teams and handling challenges. HR questions about notice period, CTC, and career goals.
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Mobile Applications Developer

Interviewed at Fincart

3.9
Sep 3, 2025

Logical reasoning questions in the assessment. Android/Kotlin core concepts (Lifecycle, Coroutines, Jetpack Compose). Past project discussions (how I solved ANRs, architecture choices). Behavioral questions about working in teams and handling challenges. HR questions about notice period, CTC, and career goals.

Very easy interview process. The people who take interview think that they are Steve jobs, big attitude and ego kind of technical panel. They keep asking invalid kind of questions and approach to solve them, then you cant convince them its not valid statement.
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Mobile Applications Developer

Interviewed at HCLTech

3.5
Jul 17, 2015

Very easy interview process. The people who take interview think that they are Steve jobs, big attitude and ego kind of technical panel. They keep asking invalid kind of questions and approach to solve them, then you cant convince them its not valid statement.

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