Top 32
Prep plan
Updated weekly · Last refresh Oct 17

Outschool Software Engineer Interview Questions

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

32questions
~6htotal time
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1
CodingStart here. 13 questions · ~141 min
Sort Instructors by Schedule OverlapMedium
Practice

Merge schedule intervals and use two pointers to rank Outschool instructors by total overlap with a parent's availability.

SchedulingArraysOutschool
Tag Substrings Case-InsensitivelyHard
Practice

Highlight non-overlapping substring matches in Outschool text with KMP, ignoring case while preserving the original characters.

javastring manipulationOutschool
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2
System Design3 questions · ~33 min
Design a URL Shortening ServiceHard

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

Feature StoreModel ServingOutschool
Advocating With Less Social CapitalHard

Assesses your judgment, empathy, and willingness to advocate for others in the workplace.

system designCodingOutschool
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3
Behavioral & Leadership10 questions · ~108 min
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4
More topics6 questions · ~65 min
Left Outer Join BasicsEasy

Tests understanding of SQL join semantics and when to use left joins.

JoinssqlOutschool
Notification System DesignMedium

Tests your system thinking around events, delivery, reliability, and user experience.

Launch PlanningTrade-offsRoadmappingOutschool
Scaling Web ApplicationsMedium

Tests your understanding of performance, reliability, and architecture tradeoffs at scale.

InfrastructureDependenciesQualityOutschool
Data Consistency in Distributed SystemsHard

Tests your understanding of consistency models, coordination, and failure handling in distributed systems.

IdempotencyDependenciesData ModelingOutschool
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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 32 questions plus 3 hands-on drills to finish this plan.