Esper Software Engineer Interview Questions

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

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Analyzing Time Complexity

Easy

Tests ability to reason about algorithm performance and tradeoffs.

ArraysSearchingSorting

Esper

Linked List Reversal

Easy

Tests basic coding ability and pointer/data-structure manipulation.

RecursionLinked ListsArrays

Esper

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Diagnose and Fix Latency

Hard

Tests debugging approach, performance investigation skills, and practical remediation planning.

InfrastructureQuality

Esper

Ensure Reliability and Performance

Medium

Tests operational thinking around reliability, monitoring, and performance engineering.

InfrastructureQuality

Esper

Scale to Millions of Users

Hard

Tests system design skills for high-scale, reliable services supporting Esper’s device management platform.

Trade-offsRoadmappingRisk Assessment

Esper

Design a RESTful API

Medium

Tests API design and practical integration thinking for Esper-facing mobile clients.

Trade-offsScope Management

Esper

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