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Updated weekly · Last refresh Sep 24

Snyk Data Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
BigQuery With Public DatasetsMedium

Evaluates practical SQL skills, data manipulation, and translating analysis into business-ready outputs.

sqldata visualizationSnyk
Calculate 30-Day User RetentionHard
Practice
Practice drill

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsCurefitIndeedTikTok
SQL Cohort Monthly Conversion RatesHard
Practice
Practice drill

Calculate monthly approval conversion by application cohort using CTEs, window functions, date bucketing, and conditional aggregation.

Window FunctionsDate FunctionsCTEsElevate CreditSnyk
SQL Query OptimizationMedium
Practice
Practice drill

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesDDroisysCapgeminiNomura
2
Coding1 question · ~8 min
Code Review for Async CodeMedium

Assesses ability to review async logic, catch issues, and communicate clear feedback.

Snyk

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The finish line: interview-readyComplete all 2 questions plus 3 hands-on drills to finish this plan.