Top 28
Prep plan
Updated weekly · Last refresh Aug 30

DraftKings Mobile Engineer Interview Questions

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

28questions
~5htotal time
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1
CodingStart here. 13 questions · ~127 min
Reverse String In PlaceEasy
Practice

Reverse a string using a two-pointer approach by converting it to a mutable character list in Python.

CodingStringsProgrammingDraftKings
Queue Using Two StacksEasy
Practice

Simulate FIFO queue operations using two LIFO stacks with amortized O(1) processing.

StackQueueDraftKings
Swift vs Objective-C DifferencesEasy

Compare Swift and Objective-C across syntax, safety, interoperability, and runtime behavior.

RecursionHash TablesArraysDraftKings
Data Structures ExperienceEasy

Tests your familiarity with common data structures and how you apply them to solve problems.

Hash TablesLinked ListsArraysDraftKings
Memory Management in iOSMedium

Tests your understanding of iOS memory management and how you prevent leaks and crashes.

RecursionLinked ListsTreesDraftKings
Explain RecursionEasy

Tests your understanding of recursion concepts and when to apply them.

RecursionDynamic ProgrammingTreesDraftKings
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2
Behavioral & Leadership14 questions · ~137 min
Resolving Conflicting Stakeholder PrioritiesMedium

Tests conflict resolution across stakeholders, including prioritization, influence without authority, and outcome ownership.

cross-functionalConflict ResolutionStakeholder ManagementDraftKings
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3
More topics1 question · ~10 min
The finish line: interview-readyComplete all 28 questions to finish this plan.