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Updated weekly · Last refresh Aug 30

Extern Interview Questions

The questions to prepare for Extern interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

50questions
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1
CodingStart here. 6 questions · ~53 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysExtern
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsExtern
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2
Execution19 questions · ~167 min
Prioritize Work Under Tight DeadlinesEasy

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementExtern
Recover a Slipping ProjectMedium

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Success CriteriaRoadmappingRisk AssessmentExtern
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3
Metrics4 questions · ~35 min
Choose Product Success KPIsEasy

Define a practical KPI set for product success, balancing a north star metric with leading indicators.

North Star MetricKPIsLeading IndicatorsExtern
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4
Strategy9 questions · ~79 min
Develop a New Market GTM StrategyEasy

Approach for building a go-to-market strategy for a new market or solution.

Competitive AnalysisGo-to-MarketGrowth StrategyExtern
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5
Product Sense5 questions · ~44 min
Build a User Feedback ProcessEasy

A structured approach for gathering user feedback, synthesizing it, and turning it into product decisions.

User ResearchUser NeedsPain PointsExtern
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6
Behavioral & Leadership6 questions · ~53 min
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7
More topics1 question · ~9 min
Describing Your Deal HistoryMedium

Assesses your ability to articulate deal experience and customer impact in a sales context.

business developmentExtern
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