Dataford
Dataford
Top 34
Prep plan
Updated weekly · Last refresh Oct 17

Persistent Systems Mobile Engineer Interview Questions

The questions to prepare for a Persistent Systems Mobile Engineer interview. Questions from real interview reports rank first. Updated daily.

34questions
~6htotal time
Track your progressSign up free to work through all 34 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 27 questions · ~295 min
Reverse Linked ListEasy
Practice

Reverse a singly linked list iteratively and recursively in Python.

RecursionLinked ListsbasicsPersistent Systems
Find Pair Summing to TargetEasy
Practice

Find two indices in an unsorted array whose values sum to a target using a hash map in O(n) time.

Hash TablesArraysTwo PointersPersistent Systems
Maximum Depth of Binary TreeEasy
Practice

Problem Given the root of a binary tree, return its maximum depth as an integer. The maximum depth is the number of nodes along the longest path from the ...

RecursionQueueTreesPersistent Systems
First Non-Repeating CharacterEasy
Practice

Find the first non-repeating character in a string using frequency counting and a second pass in O(n) time.

Hash TablesStringsSearchingPersistent Systems
More Coding questions with a free account
2
Behavioral & Leadership4 questions · ~44 min
Choosing Mobile State ManagementMedium

Tests technical decision-making, influence without authority, and ownership when selecting a mobile state management approach.

state managementtechnical experiencearchitecturePersistent Systems
More Behavioral & Leadership questions with a free account
3
More topics3 questions · ~33 min
Justify an Alternative ArchitectureHard

Tests your ability to negotiate architecture decisions using evidence and trade-offs.

Influence Without AuthorityConflict ResolutionCommunicationPersistent Systems
Debug Main Thread FreezesMedium

Tests your troubleshooting approach for UI responsiveness issues on iOS.

CommunicationOwnershipDealing With AmbiguityPersistent Systems
iOS Performance Profiling for JankHard

Tests your ability to use profiling tools and performance reasoning to improve user-perceived latency.

CommunicationOwnershipDealing With AmbiguityPersistent Systems

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
The finish line: interview-readyComplete all 34 questions to finish this plan.