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Updated weekly · Last refresh Oct 17

Redfin Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 32 questions · ~311 min
DFS Maze PathfindingMedium
Practice

Use depth-first search to determine whether a valid path exists through a two-dimensional maze.

ArraysdfsAlgorithmsRedfin
Backtracking With ConstraintsHard
Practice

Use memoized backtracking to build a target string from reusable-option character pieces under adjacency constraints.

RecursioncombinatoricsStringsRedfin
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2
System Design5 questions · ~49 min
Design a REST API SystemHard

Evaluates system design trade-offs and ability to implement a working API.

system architectureRedfin
System Architecture for Personal ProjectMedium

Assesses your ability to explain architecture decisions and component interactions.

system architectureRedfin
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3
Behavioral & Leadership9 questions · ~87 min
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4
More topics4 questions · ~39 min
Explaining Architecture Trade-offs ClearlyMedium

Tests technical ownership and communication through a concrete architecture decision, with emphasis on trade-offs, judgment, and lessons learned.

Trade-offsrecent projectstechnical experienceRedfin
Redfin MLS Ingestion and MappingMedium

Assesses data pipeline thinking and ability to model and transform MLS data for downstream use.

data ingestionRedfin
AWS Control Tower SetupMedium

Assesses your cloud security and governance experience with AWS Control Tower.

awsRedfin
MLS Ingestion and MappingHard

Tests data engineering design skills for transforming external MLS data into Redfin-ready models.

data integrationdesign systemRedfin
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