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Updated weekly · Last refresh Aug 30

OpenTable Mobile Engineer Interview Questions

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

37questions
~7htotal time
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1
CodingStart here. 18 questions · ~202 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsOpenTable
Reverse String In PlaceEasy
Practice

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

CodingStringsProgrammingOpenTable
Palindrome Linked List CodingEasy
Practice

Determine whether a singly linked telemetry list is a palindrome using midpoint detection and in-place reversal.

RecursionCodingLinked ListsOpenTable
Linked List Palindrome CheckEasy
Practice

Determine whether a singly linked list is a palindrome using midpoint detection and in-place list reversal.

StackLinked ListsTwo PointersOpenTable
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2
Product Sense6 questions · ~67 min
Improve User Retention in OpenTableMedium

Tests your product sense for OpenTable’s marketplace and your ability to propose retention experiments.

Feature PrioritizationUser NeedsProduct VisionOpenTable
Gather User Feedback for a New FeatureEasy

Tests your approach to validating ideas with users and turning feedback into actionable improvements.

User ResearchUser NeedsMVPOpenTable
Retention Prioritization With ConstraintsHard

Tests your tradeoff reasoning and ability to choose retention-driving work under engineering constraints.

Trade-offsFeature PrioritizationRetentionOpenTable
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3
Behavioral & Leadership13 questions · ~146 min
Influencing Without Formal AuthorityEasy

Tests influence without authority: aligning stakeholders through data, empathy, and ownership to drive a decision and measurable outcome.

Influence Without AuthorityStakeholder ManagementCommunicationOpenTable
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The finish line: interview-readyComplete all 37 questions to finish this plan.