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Updated weekly · Last refresh Aug 30

Faire Software Engineer Interview Questions

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

50questions
~11htotal time
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1
CodingStart here. 24 questions · ~303 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysFaire
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersFaire
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2
Execution8 questions · ~101 min
Handle Scope Changes Mid-DevelopmentMedium

Explain how you manage scope changes during development without losing delivery control, stakeholder alignment, or product quality.

AgileScope ManagementProject ManagementFaire
Load-Balanced Web App DesignHard

Tests distributed systems fundamentals including load balancing, scaling, and failure modes.

InfrastructureTrade-offsRisk AssessmentFaire
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3
System Design8 questions · ~101 min
Design Patterns UsedMedium

Tests ability to apply proven patterns to improve structure and extensibility.

project experiencesoftware designdesign patternsFaire
Test Web Server ScalabilityMedium

Evaluates your approach to performance testing, metrics, and identifying bottlenecks.

scalabilityFaire
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4
SQL & Data Manipulation3 questions + 3 drills · ~68 min
Compute Funnel Stage Execution CountsMedium

Evaluates your ability to translate funnel definitions into correct query or computation logic.

Funnel AnalysisFaire
Weekly Ad Delivery Caps SQLMedium

Evaluates your SQL and data manipulation skills for time-windowed delivery cap logic.

event processingcustomer managementFaire
Calculate 30-Day User RetentionHard
Practice
Practice drill

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsCurefitReachMobiIndeed
Second Highest Trader SalaryEasy
Practice
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksInformaticaSpectraforce Technologies
SQL Top N QueryEasy
Practice
Practice drill

Return the 10 most-viewed active California physician profiles using WHERE, ORDER BY, and LIMIT.

RankingSortingAggregationsDoximity
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5
Behavioral & Leadership7 questions · ~88 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.