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Updated weekly · Last refresh Aug 30

Superhuman Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 27 questions · ~238 min
Thread-Safe LRU Cache with TTLHard
Practice
Recently asked

Implement an O(1) average-time LRU cache with per-entry expiration using a hash map, doubly linked list, and thread-safe access.

Hash TablesLinked ListsHeapSuperhuman
Optimize Array or String to Log TimeHard
Recently asked

Tests algorithmic optimization and your ability to improve complexity with the right technique.

time complexityArraysStringsSuperhuman
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2
System Design9 questions · ~79 min
Offline-First Sync With Conflict ResolutionHard
Recently asked

Tests system design for offline behavior, data consistency, and conflict resolution strategies.

Conflict ResolutionFeature Storeoffline syncSuperhuman
Explaining Architecture Trade-offs ClearlyMedium

Assesses your ability to design systems and explain trade-offs clearly.

system designCodingtechnical assessmentSuperhuman
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3
Execution3 questions · ~26 min
Real-Time Notifications at ScaleHard
Recently asked

Tests scalable architecture and performance engineering for low-latency real-time delivery.

latencythroughputscalabilitySuperhuman
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4
Behavioral & Leadership8 questions · ~71 min
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5
More topics3 questions · ~26 min
Desktop Local Database Storage LayerHard
Recently asked

Tests storage design tradeoffs for local apps, including performance and resource constraints.

performanceCloudData ModelingSuperhuman
SQL and Data ManipulationEasy

Assesses your practical SQL and Python problem-solving and debugging approach.

sqlpythonSuperhuman
Owning a Production Memory LeakMedium

Evaluates your understanding of memory management and your debugging approach for production issues.

memory managementSuperhuman
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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
SQL Average Selling PriceMedium
Practice
Practice drill

Calculate weighted average selling prices by product using a date-range join, aggregation, and NULL handling.

leetcodesqlCostarCostar Group
Sum From 1 to 1,000,000Easy
Practice
Practice drill

Calculate the sum of integers from 1 to 1,000,000 using PostgreSQL aggregation and filtering.

AlgorithmsVirtu Financial
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.