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Updated weekly · Last refresh Aug 30

CGI Group Solutions Architect Interview Questions

The questions to prepare for a CGI Group Solutions Architect interview. Questions from real interview reports rank first. Updated weekly.

30questions
~4htotal time
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1
CodingStart here. 4 questions · ~35 min
Shortest Path in a GraphMedium
Practice

Find the minimum-cost path between two nodes in a weighted graph using Dijkstra's algorithm.

QueueSearchingGraphsCGI Group
Data Structures and Use CasesEasy

Tests your core CS knowledge and ability to choose appropriate structures for requirements.

Linked ListsArraysTreesCGI Group
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2
System Design8 questions · ~70 min
Design a Real-Time ML Feature StoreHard

Design a shared feature store for training and low-latency inference across many ML systems with strict freshness and consistency needs.

Feature StoreFeature DriftModel ServingCGI Group
Scalability AssuranceMedium

Tests scalability thinking across architecture, data, and operational considerations.

Feature StoreRetrievalModel ServingCGI Group
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3
Behavioral & Leadership14 questions · ~122 min
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4
More topics4 questions · ~35 min
Choosing Technology StacksMedium

Tests technology selection reasoning across cost, risk, skills, and long-term maintainability.

EstimationCompetitive AnalysisGo-to-MarketCGI Group
Legacy to Modern IntegrationHard

Tests integration strategy for legacy constraints, risk management, and phased modernization.

ETLOrchestrationDependenciesCGI Group
Subnetting and Secure ImplementationMedium

Evaluates practical security and infrastructure knowledge for implementing technologies and designing subnets.

subnettingCGI Group
Capacity Planning for GrowthHard

Tests capacity planning methods and scalability forecasting for new platform launches.

EstimationTAM/SAM/SOMGrowth StrategyCGI Group
The finish line: interview-readyComplete all 30 questions to finish this plan.