Top 37
Prep plan
Updated weekly · Last refresh Aug 30

OpenX Software Engineer Interview Questions

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

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1
CodingStart here. 21 questions · ~197 min
Find Target Sum PairsEasy
Practice

Return all unique integer pairs that sum to a target using sorting or a hash-based approach.

Hash TablesArraysTwo PointersOpenX
Merge Overlapping IntervalsEasy
Practice

Merge overlapping intervals by sorting start times and greedily extending the current range.

CodingtechnicalProgrammingOpenX
Kth Largest in Unsorted ArrayMedium
Practice

Use Quickselect to find the kth largest value in an unsorted OpenX bid array without fully sorting it.

ArraysSearchingHeapOpenX
Chess Game Class DesignMedium

Tests OOP design skills, encapsulation, and API clarity for a non-trivial domain model.

abstractionoopFrameworksOpenX
90-Minute HackerRank Problem SetHard

Tests speed, problem decomposition, and sustained coding accuracy under time pressure.

time complexityArraysStringsOpenX
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2
Behavioral & Leadership14 questions · ~131 min
MVC in a Backend ServiceMedium

Tests understanding of separation of concerns and practical backend architecture decisions.

Communicationtechnical experienceFrameworksOpenX
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3
More topics2 questions · ~19 min
Real-Time Cluster Config UpdatesHard

Tests distributed systems design for consistency, propagation, and reliability at scale.

Trade-offsExecutionScope ManagementOpenX
CI and Infrastructure as CodeMedium

Tests delivery pipeline maturity and ability to automate infrastructure reliably across environments.

InfrastructureToolsAutomationOpenX

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