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Updated weekly · Last refresh Aug 30

Harvey Software Engineer Interview Questions

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

26questions
~4htotal time
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1
CodingStart here. 11 questions · ~104 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysHarvey
Two Sum with TargetEasy
Practice

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

Hash TablesArraysStringsHarvey
Binary Search on Sorted ArraysEasy

Explain how binary search works on a sorted array and why its time complexity is O(log n).

time complexityArraysSearchingHarvey
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2
Execution3 questions · ~28 min
Design an API Under ConstraintsMedium

Design an API by balancing usability, performance, versioning, and operational risk under real product constraints.

Trade-offsRisk AssessmentScope ManagementHarvey
SQL vs NoSQL Trade-offsMedium

Tests your ability to choose the right data model and storage technology for different requirements.

Trade-offsRisk AssessmentScope ManagementHarvey
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3
Behavioral & Leadership9 questions · ~85 min
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4
More topics3 questions · ~28 min
Design a URL Shortening RecommenderHard

Design a URL shortener that ranks and recommends short links while handling abuse, freshness, and monitoring at scale.

Feature StoreModel ServingHarvey
Data Consistency in Distributed SystemsHard

Tests understanding of consistency models, tradeoffs, and mechanisms for distributed data.

IdempotencyDependenciesHarvey
Optimize Slow QueryHard

Tests query optimization skills and performance troubleshooting for data systems.

SubqueriesJoinsAggregationsHarvey

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Unify CRM and Google Analytics ViewHard
Practice
Practice drill

Merge CRM orders with GA events via an identity map to build a customer-level view using joins, window functions, and monthly rollups.

SubqueriesJoinsData WranglingArtefact
Analyze Delivery Performance with SubqueriesMedium
Practice
Practice drill

Use subqueries to compare each courier's delivery speed and on-time rate against the network average.

SubqueriesJoinsAggregationsInstacart
The finish line: interview-readyComplete all 26 questions plus 3 hands-on drills to finish this plan.