Top 19
Prep plan
Updated weekly · Last refresh Aug 30

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 weekly.

19questions
~3htotal time
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1
CodingStart here. 6 questions · ~60 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
QA Problem-Solving Under PressureMedium

Tests your problem-solving process and ability to reason clearly under interview conditions.

ArraysSearchingCommonwealth Bank of Australia
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2
Execution4 questions · ~40 min
Interview Conceptual QA QuestionsMedium

Assesses communication and depth of understanding of QA concepts during technical discussion.

Commonwealth Bank of Australia
Automation Repository SetupMedium

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

Commonwealth 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 · ~80 min
Owning an Automation Framework RedesignMedium

Tests ownership and technical leadership in improving a test automation framework, including architecture decisions, adoption, and measurable quality impact.

automation frameworkarchitectureFrameworksCommonwealth 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 19 questions plus 3 hands-on drills to finish this plan.