Top 22
Prep plan
Updated weekly · Last refresh Oct 17

Superhuman Backend Engineer Interview Questions

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

22questions
~3htotal time
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1
System DesignStart here. 7 questions · ~56 min
High-Concurrency Message SynchronizationHard

Tests your system design skills for concurrency control, ordering, and correctness under load.

system architectureSuperhuman
Database Partitioning Trade-OffsMedium

Assesses your ability to choose partitioning approaches that balance performance, scalability, and complexity.

Trade-offsSuperhuman
Minimize Latency With Cross-Region ReplicationHard

Tests your approach to replication, consistency, and latency optimization across regions.

distributed systemsSuperhuman
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2
Behavioral & Leadership11 questions · ~88 min
Improving Code Review QualityEasy

Tests how a candidate uses code reviews to raise quality through feedback, ownership, and clear communication.

CommunicationLeadershipOwnershipSuperhuman
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3
More topics4 questions · ~32 min
System Design and Deep Dive InterviewMedium

Assesses your ability to communicate technical decisions clearly across system design and implementation topics.

project experiencesystem designSuperhuman
Optimize a Latency-Critical QueryMedium

Assesses your ability to diagnose and improve database performance for user-impacting latency.

latencydatabase optimizationSuperhuman
Optimize a Slow Query Impacting ServiceMedium

Tests your ability to improve query efficiency and protect service performance under load.

performancequery optimizationsqlSuperhuman
Backend Service Health MetricsMedium

Assesses your observability mindset and ability to define actionable SLO-aligned backend metrics.

monitoringSuperhuman

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 22 questions plus 3 hands-on drills to finish this plan.