Top 10

Prep plan

Updated weekly · Last refresh Oct 17

Reddit Analytics Engineer Interview Questions

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

10questions

~1htotal time

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SQL & Data ManipulationStart here. 3 questions + 3 drills · ~54 min

Star vs Snowflake for Sales AnalyticsMedium

Compare star and snowflake schemas for warehouse design, including trade-offs in normalization, query simplicity, and analytics performance.

JoinsData WranglingGroup By

Complex SQL for User BehaviorMedium

Assesses advanced SQL skills for modeling and aggregating user behavior data.

Window FunctionsJoinssql

Optimizing Slow Engagement QueriesMedium

Tests performance tuning skills for large-scale analytics queries.

Performance Tuningquery optimizationsql

DAU With Multi-Subreddit UpvotesMedium

Practice

Recently asked

Practice drill

Calculate daily active users who upvoted posts across more than three distinct subreddits.

Date FunctionsJoinsGroup By

Join Two Tables in SQLEasy

Practice

Recently asked

Practice drill

Retrieve recent completed clinical events from Komodo Health analytics data using filtering and ordering.

SQL and Python Coding MixMedium

Practice

Recently asked

Practice drill

Answer two SQL data-manipulation questions and one Python question using the supplied users, posts, and comments data.

JoinsData Manipulationsql

Pipelines4 questions · ~32 min

Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQuality

Documentation for Data EcosystemsMedium

Assesses how you scale documentation practices as data systems expand.

data managementdocumentation

Ensuring Data ConsistencyMedium

Evaluates your approach to maintaining consistent metrics across reporting layers.

data consistencydata integrity

Fixing Data Pipeline FlawsMedium

Tests your ability to debug pipeline issues and drive reliable fixes.

Data Qualitydata pipelineProblem Solving

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Behavioral & Leadership3 questions · ~24 min

Partnering Closely With EngineeringEasy

Tests cross-functional collaboration, communication, and ownership in a technical project with engineering or data science partners.

Stakeholder ManagementCommunicationLeadership

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The finish line: interview-readyComplete all 10 questions plus 3 hands-on drills to finish this plan.