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Prep plan
Updated weekly · Last refresh Sep 22

MI Select Software Engineer Interview Questions

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

6questions
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1
CodingStart here. 1 question · ~8 min
Unit Testing for MaintainabilityMedium

Tests your testing strategy and how you keep code reliable as a codebase grows.

best practicescode maintainabilityMI Select
2
System Design2 questions · ~17 min
Debugging Distributed Production IssuesMedium

Tests your incident debugging workflow, observability use, and safe mitigation practices.

production issuesdistributed systemsDebuggingMI Select
Designing External APIsMedium

Tests your API design judgment around reliability, security, versioning, and developer experience.

api designsystem architectureMI Select

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3
SQL & Data Manipulation1 question + 3 drills · ~38 min
Optimizing Slow Database QueriesMedium

Tests your approach to diagnosing and improving SQL performance in production systems.

database optimizationperformancesql queriesMI Select
Top-Performing Products QueryMedium
Practice
Practice drill

Rank Tesco products by Q2 revenue using a date-filtered join, aggregation, and RANK window function.

sqlperformance analysisMI SelectTTesco
Debug and Optimize SQLHard
Practice
Practice drill

Debug and optimize a PostgreSQL aggregation over millions of invoice and line-item records.

database optimizationJoinsperformanceIntuit
Optimize SQL QueriesMedium
Practice
Practice drill

Optimize a PostgreSQL aggregation query by filtering early, reducing rows before joins, and returning qualifying active customers.

database optimizationperformanceindexesSofteamSSoftware Medical InformaticsGlassdoor
4
Behavioral & Leadership2 questions · ~17 min
Tech Stacks and Team BuildingMedium

Assesses your ability to evaluate tech stacks and collaborate to build strong engineering teams.

MI Select
Learning New Tech Under PressureMedium

Tests your learning agility and execution under time constraints.

time managementlearningadaptabilityMI Select
The finish line: interview-readyComplete all 6 questions plus 3 hands-on drills to finish this plan.