Top 24
Prep plan
Updated weekly · Last refresh Oct 17

OpenX QA Engineer Interview Questions

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

24questions
~4htotal time
Track your progressSign up free to work through all 24 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 5 questions · ~54 min
Compare Two JSON StructuresMedium
Practice

Determine whether two nested JSON values are structurally equal using recursive comparison of objects, arrays, and primitives.

OpenX
Dictionary Subset FunctionEasy
Practice

Check whether every key and value in an OpenX configuration override exists in a base configuration using hash map lookup.

OpenX
More Coding questions with a free account
2
Execution4 questions · ~43 min
Test Cases for Python and GCPMedium

Evaluates your QA test design skills and your familiarity with cloud services used in production systems.

pythonOpenX
Daily UNIX Command KnowledgeEasy

Evaluates practical command-line proficiency relevant to debugging and QA workflows.

OpenX
More Execution 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
3
SQL & Data Manipulation5 questions + 2 drills · ~74 min
Validate Ad Call Tracking PixelsMedium

Tests your ability to validate ad-call XML structure and tracking pixel correctness for OpenX delivery flows.

attention to detailOpenX
Find Publishers With Low CTRMedium
Practice

Identify publishers with CTR below half the eligible network benchmark over a fixed 24-hour reporting window.

Date FunctionsJoinsdata anomalyOpenX
Join and Time-Interval AggregationMedium
Practice
Practice drill

Join users and events to summarize behavior counts and duration for each user and hourly interval.

Date FunctionsJoinssql queriesOpenX
Pivot for Trend IdentificationMedium
Practice
Practice drill

Pivot monthly OpenX performance totals by channel and classify each channel's trend.

pivot tablesJoinsData AnalysisOpenX
More SQL & Data Manipulation questions with a free account
4
Behavioral & Leadership7 questions · ~75 min
More Behavioral & Leadership questions with a free account
5
More topics3 questions · ~32 min
Client vs Server Ad Call LatencyMedium

Tests your understanding of ad call paths and your ability to measure and validate latency behavior.

CommunicationOpenX
Verify Publisher Communication With OpenXMedium

Tests your ability to validate end-to-end connectivity and integration health for OpenX supply-side flows.

OpenX
More questions with a free account
The finish line: interview-readyComplete all 24 questions plus 2 hands-on drills to finish this plan.