Top 19
Prep plan
Updated weekly · Last refresh Oct 17

Aritzia Software Engineer Interview Questions

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

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~3htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 3 drills · ~54 min
Choosing Joins and SubqueriesMedium

Tests understanding of SQL semantics and performance tradeoffs in relational queries.

SubqueriesJoinsperformanceAritzia
SQL for Top Product CategoriesMedium

Tests SQL query writing for analytics on retail product performance at Aritzia.

Date FunctionsGroup ByAggregationsAritzia
Optimizing Slow SQL at ScaleHard

Tests advanced SQL performance tuning and debugging on large-scale retail data.

Performance Tuningnull handlingtransactionsAritzia
Write Performant SQL at ScaleHard
Practice
Practice drill

Build a scalable PostgreSQL query that aggregates, ranks, and filters product revenue across multiple tables.

Window Functionsdatabase optimizationJoinsAritzia
Refactoring a Slow QueryMedium
Practice
Practice drill

Refactor a slow Candid Health claims query using pre-aggregation, latest-event logic, and monthly payer metrics.

Performance Tuningdatabase optimizationCTEsCandid Health
Advanced Data Modeling for PerformanceHard
Practice
Practice drill

Calculate Citi business-unit performance variance against targets and identify the largest shortfalls.

business problemdata managementtechnical experienceCiti
2
Behavioral & Leadership12 questions · ~96 min
Collaborating on a Technical SolutionMedium

Tests collaborative problem-solving on a technical project, including communication, influence, and ownership of the outcome.

Stakeholder ManagementCommunicationLeadershipAritzia
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3
More topics4 questions · ~32 min
Explaining Architecture Trade-offs ClearlyMedium

Tests technical ownership and communication through a concrete architecture decision, with emphasis on trade-offs, judgment, and lessons learned.

Trade-offsrecent projectstechnical experienceAritzia
High-Traffic API Integration DesignHard

Tests system design for resilient API integrations under burst traffic during retail peak events.

monitoringAPIsCloudAritzia
Your Background and FitEasy

Tests communication clarity and how your experience maps to BASF’s machine learning engineering needs.

RoadmappingScope ManagementAritzia
Data Modeling for New FeaturesMedium

Tests database design skills and how you model data for product and engineering features.

solution designtechnical experienceData ModelingAritzia

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