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Updated weekly · Last refresh Aug 30

Relias Software Engineer Interview Questions

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

24questions
~4htotal time
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1
CodingStart here. 10 questions · ~90 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysRelias
Object-Oriented vs Functional ProgrammingEasy

Compare object-oriented and functional programming in terms of state, abstraction, side effects, and design tradeoffs.

LanguagestechnicalProgrammingRelias
Managing Memory in CodeMedium

Tests your understanding of memory management concepts and practical coding tradeoffs.

Hash TablesLinked ListsArraysRelias
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2
Execution3 questions · ~27 min
Optimizing Web App PerformanceMedium

Tests your performance engineering knowledge across frontend, backend, and infrastructure concerns.

Trade-offsRisk AssessmentScope ManagementRelias
Debugging a Production User IssueMedium

Tests your incident debugging process, prioritization, and communication under production constraints.

Rollback PlanLaunch PlanningRisk AssessmentRelias
Resolving Production IssuesMedium

Tests your incident response process, root-cause thinking, and follow-up to prevent recurrence.

Rollback PlanSuccess CriteriaRisk AssessmentRelias
3
Behavioral & Leadership9 questions · ~81 min
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4
More topics2 questions · ~18 min
Optimizing SQL Query PerformanceMedium

Tests your ability to analyze and optimize SQL for performance using indexing and query planning.

Window FunctionsJoinsAggregationsRelias
Angular Architecture and TestingMedium

Evaluates your system design thinking and testing approach for a front-end application.

TestingarchitectureRelias

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Longest Consecutive Login Streak per UserHard
Practice
Practice drill

Calculate the longest consecutive login streak for each user using window functions and date manipulations.

Window FunctionsJoinsAggregationsChimeECSSalesforce
SQL for Weekly Regional PerformanceMedium
Practice
Practice drill

Calculate weekly volume, handling time, and week-over-week change by Kuiper Commercial Services region.

Window FunctionsJoinsAggregationsAmazon Kuiper Commercial Services
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 WranglingWaymo
The finish line: interview-readyComplete all 24 questions plus 3 hands-on drills to finish this plan.