1. Only Reverse string without reverse the integer number in between. 2. What is iOS. How iOS ecosystem works.
Mobile Applications Developer Interview Questions
468 mobile applications developer interview questions shared by candidates
What book would you recommend to the Buffer team and why?
Tell us about a time you couldn't find a solution to a problem online, and how did you handle that problem?
Concepts of the basic programming language that i used as a programmer
Sorry, can't share that as I signed an NDA. However, I could share that there was an unexpected amount of emphasis on behavioral questions with convoluted interrogation as if I was a suspect.
Android Activity Lifecycle, Services, IntentService in detail, etc
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.
Normal stuff - Projects, Background information, Educational details, etc.
Latest and advanced features of Mobile App development(React Native).
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