Top 16
Prep plan
Updated weekly · Last refresh Oct 17

Commonwealth Bank of Australia QA Engineer Interview Questions

The questions to prepare for a Commonwealth Bank of Australia QA Engineer interview. Questions from real interview reports rank first. Updated daily.

16questions
~3htotal time
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1
CodingStart here. 3 questions · ~31 min
Find Two Sum IndicesEasy
Practice

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

Hash TablesArraysSortingCommonwealth Bank of Australia
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonCommonwealth Bank of Australia
Remove Substring Without Built-insMedium

Tests coding ability for string manipulation without relying on built-in helpers.

string manipulationAlgorithmsCommonwealth Bank of Australia
2
Execution4 questions · ~41 min
Automation Repository SetupMedium

Assesses how you structure and standardize test automation for a large banking environment.

Commonwealth Bank of Australia
Framework You Previously WorkedMedium

Evaluates your hands-on experience with QA automation frameworks and continuous improvement.

experienceCommonwealth Bank of Australia
Selenium and Java FundamentalsMedium

Evaluates your foundational knowledge and practical approach to Selenium-based QA.

javaCodingseleniumCommonwealth Bank of Australia
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3
Behavioral & Leadership8 questions · ~82 min
Owning a Broken Deployment PipelineMedium

Tests ownership during pipeline failure, including incident communication, recovery under pressure, and follow-through on process improvement.

pipeline failuresCI/CDtechnical experienceCommonwealth Bank of Australia
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4
More topics1 question · ~10 min
ETL, SQL, and Data WarehousingMedium

Assesses understanding of ETL, SQL, and data validation in data-centric QA scenarios.

ETLCommonwealth Bank of Australia
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 16 questions plus 3 hands-on drills to finish this plan.