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Updated weekly · Last refresh Sep 22

TTC Global QA Automation Engineer Interview Questions

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

4questions
~1htotal time
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1
SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
Explain SQL Join TypesEasy

Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.

JoinsData WranglingGroup ByTTC Global
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymoCruise
Find Spending Variance Drivers by DepartmentHard
Practice
Practice drill

Use joins and LAG to isolate departments driving a large month-over-month spending variance.

JoinsData WranglingGroup ByState of CaliforniaUniversity of ChicagoThe Church of Jesus Christ of Latter-day Saints
2
Execution2 questions · ~16 min
Integrate Automated Testing into CI/CDMedium

Explain how you integrated automated testing into a CI/CD pipeline while balancing coverage, speed, and release risk.

automated testingCI/CDpipeline integrationTTC Global
Decide What to AutomateEasy

Explain how you decide which tests to automate versus keep manual, balancing risk, cost, and long-term maintenance.

Trade-offsRisk AssessmentScope ManagementTTC Global

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3
Technical Fundamentals1 question · ~8 min
Maintain Automation FrameworkMedium

Evaluates long-term maintenance practices and evolution of test automation structures.

automation frameworkTestingTTC Global
The finish line: interview-readyComplete all 4 questions plus 3 hands-on drills to finish this plan.