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Updated weekly · Last refresh Sep 24

Snowflake Computing Data Engineer Interview Questions

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

34questions
~7htotal time
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1
SQL & Data ManipulationStart here. 13 questions · ~162 min
Second and Nth Highest ValuesMedium
Practice

Find the second highest distinct salary and adapt the query to retrieve any requested salary rank.

Data Manipulationsqldatabase queryingSnowflake Computing
SQL Duplicate DetectionEasy
Practice

Find duplicate customer profiles by grouping on identifying fields and returning only repeated records.

Group ByHavingAggregationsSnowflake Computing
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2
Coding9 questions · ~112 min
Two Sum Index LookupEasy
Practice

Find two indices in an array whose values sum to a target using a hash table in O(n) time.

Hash TablesArraysTwo PointersSnowflake Computing
Palindrome String FunctionEasy
Practice

Use two pointers to determine whether a PenFed member-note string reads identically forward and backward.

RecursionMathStringsSnowflake Computing
Merge Two Sorted Linked ListsEasy
Practice

Merge two sorted singly linked lists into one sorted list by relinking existing nodes.

RecursionLinked ListsSortingSnowflake Computing
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3
Pipelines5 questions · ~62 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualitySnowflake Computing
Design Streaming Data PipelineMedium

Evaluates your approach to ETL design, data transformation, and SQL/Python implementation details.

data processingETLsqlSnowflake Computing
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4
Behavioral & Leadership6 questions · ~75 min
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5
More topics1 question · ~12 min
Design a Cache SystemHard

Tests system design tradeoffs around latency, eviction, consistency, and data structures.

system designperformance optimizationcachingSnowflake Computing
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