Top 18
Prep plan
Updated weekly · Last refresh Aug 30

RealSelf Software Engineer Interview Questions

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

18questions
~3htotal time
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1
CodingStart here. 6 questions · ~54 min
Root-to-Leaf Path SumEasy
Practice

Use depth-first search to determine whether a RealSelf review tree has a root-to-leaf path with the target sum.

RealSelf
Format Structured Text for FrontendMedium

Tests your ability to transform structured data into UI-ready formats reliably.

StringsabstractionfunctionsRealSelf
Parse and Clean DatasetMedium

Tests data parsing, validation, and robustness when dealing with messy real-world inputs.

json parsingData WranglingbasicsRealSelf
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2
Behavioral & Leadership7 questions · ~63 min
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3
More topics5 questions · ~45 min
Backend for High-Traffic Media UploadsHard

Tests system design for scalable, reliable media ingestion with attention to throughput, storage, and failure modes.

InfrastructureAPIsQualityRealSelf
Aggregate User Engagement MetricsMedium

Tests SQL skills for joining, aggregating, and deriving metrics across relational tables.

JoinsGroup ByAggregationsRealSelf
Migrate Monolith Without DowntimeHard

Tests your ability to plan incremental migration, manage risk, and maintain availability during architectural change.

Rollback PlanTrade-offsRoadmappingRealSelf
Build a Word GameHard

Evaluates system design skills for real-time gameplay, state management, and user experience.

MVPRealSelf
Database for Dynamic Doctor SearchMedium

Tests your ability to model data and design queries for flexible search and filtering at scale.

fact tablesdimensionsData ModelingRealSelf

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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 18 questions plus 3 hands-on drills to finish this plan.