Dataford
Top 29
Prep plan
Updated weekly · Last refresh Aug 30

Alten Mobile Engineer Interview Questions

The questions to prepare for a Alten Mobile Engineer interview. Questions from real interview reports rank first. Updated weekly.

29questions
~6htotal time
Track your progressSign up free to work through all 29 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 22 questions · ~286 min
Check Binary Tree BalanceEasy
Practice

Use postorder recursion to determine whether a binary tree is height-balanced in O(n) time.

RecursionSearchingTreesAlten
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersAlten
Valid Anagram String CheckEasy
Practice

Check whether two strings are anagrams using character counting or sorting.

StringsAlten
Reverse a Singly Linked ListEasy
Practice

Problem Given the head of a singly linked list, reverse the list, and return the new head node. The linked list is defined as follows: python class ListNo...

RecursionStackDynamic ProgrammingAlten
First Non-Repeating CharacterEasy
Practice

Find the first character in a string that appears exactly once using a hash table in linear time.

Hash TablesMathArraysAlten
Check Height-Balanced Binary TreeEasy
Practice

Problem Given the root of a binary tree, return True if the tree is height-balanced and False otherwise. A binary tree is height-balanced if, for every no...

RecursionTreesAlten
Two Sum in Unsorted ArrayEasy
Practice

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

Hash TablesArraysStringsAlten
More Coding questions with a free account

Sign up to see every question

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

Get my prep plan
2
Behavioral & Leadership7 questions · ~91 min
Owning a Production Memory LeakMedium

Tests ownership and communication in diagnosing and fixing a mobile memory leak with clear technical investigation and measurable impact.

technical problem-solvingmemory leakDiagnosisAlten
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 29 questions to finish this plan.