Top 39
Prep plan
Updated weekly · Last refresh Oct 17

Not Sure Software Engineer Interview Questions

The questions to prepare for a Not Sure Software Engineer interview. Questions from real interview reports rank first. Updated daily.

39questions
~6htotal time
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1
CodingStart here. 12 questions · ~119 min
Two Sum with TargetEasy
Practice

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

Hash TablesArraysStringsNot Sure
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysNot Sure
Explain Time ComplexityEasy
Practice

Implement a linear array-sum solution and explain why its time complexity is O(n).

CodingMathArraysNot Sure
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2
Behavioral & Leadership22 questions · ~219 min
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3
More topics5 questions · ~50 min
Design a URL Shortening ServiceHard

Design a URL shortening service that routes, ranks, and monitors links at scale.

Feature StoreModel ServingNot Sure
Designing Client ProductsMedium

Tests your product design approach for client needs and delivery execution.

product designNot Sure
Secure a New Application End to EndMedium

Design AppSec controls for a new service, covering identity, secrets, network boundaries, logging, and incident response.

InfrastructureQualityNot Sure
Design Microservices ArchitectureHard

Tests ability to design distributed systems with clear boundaries, reliability, and operational concerns.

InfrastructureDependenciesQualityNot Sure
Security-Relevant Resume NarrativeEasy

Tests your ability to clearly communicate your security work and its impact.

Risk AssessmentScope ManagementNot Sure

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