Top 20
Prep plan
Updated weekly · Last refresh Oct 17

Freshworks Data Engineer Interview Questions

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

20questions
~3htotal time
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1
PipelinesStart here. 10 questions · ~86 min
Star vs Snowflake SchemaEasy

Compare star and snowflake schemas in a warehouse pipeline, including structure and transformation trade-offs.

snowflake schemastar schemaData ModelingFreshworks
Seconds Behind Master CalculationMedium

Evaluates your understanding of replication lag metrics and operational correctness in data systems.

Freshworks
Repartition vs Coalesce in SparkHard

Evaluates Spark partitioning tradeoffs and how they impact performance for Freshworks-scale data pipelines.

partitioningFreshworks
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2
Coding3 questions · ~26 min
Remove Duplicate DigitsMedium

Tests algorithmic thinking and in-place numeric manipulation without string conversions.

deduplicationMathbasicsFreshworks
Flatten Nested JSON for IngestionHard

Tests practical Python parsing, streaming mindset, and memory optimization for ingestion pipelines.

json parsingpythonFreshworks
Median of a BSTMedium

Tests tree traversal strategy and space-efficient median computation.

RecursiontraversalTreesFreshworks

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3
Behavioral & Leadership5 questions · ~43 min
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4
More topics2 questions · ~17 min
Second-Highest Resolution TimeMedium
Practice

Find every ticket tied at the second-highest non-null resolution time for each support agent.

Window Functionsnull handlingJoinsFreshworks
SQL Query Bottleneck OptimizationHard

Tests systematic SQL performance troubleshooting and optimization skills for complex queries.

JoinsperformanceAggregationsFreshworks
Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 20 questions plus 2 hands-on drills to finish this plan.