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Updated weekly · Last refresh Oct 16

AKUNA CAPITAL Data Engineer Interview Questions

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

33questions
~5htotal time
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1
PipelinesStart here. 20 questions · ~188 min
Design Scalable Pipeline InfrastructureHard

Design the core pipeline infrastructure for a new project, with attention to orchestration, data quality, idempotency, and future scale.

InfrastructureToolsQualityAKUNA CAPITAL
Prototype Big Data ToolsEasy

Tests evaluation and prototyping approach for productionizing big data tooling in AKUNA CAPITAL.

InfrastructureToolsQualityAKUNA CAPITAL
Time-Series vs Parquet TradeoffsMedium

Tests storage tradeoff reasoning for AKUNA CAPITAL backtesting workloads and query patterns.

InfrastructureBatch ProcessingData ModelingAKUNA CAPITAL
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2
Coding11 questions · ~104 min
Functional Programming in PythonMedium

Evaluates your understanding of functional programming concepts and how they apply in Python.

pythonAKUNA CAPITAL
Fix Python Out of MemoryHard

Tests your ability to diagnose and remediate Python memory issues in data pipelines.

Hash TablesArraysSortingAKUNA CAPITAL
Sliding Window Moving AverageEasy
Practice

Calculate every fixed-size moving average for Arista EOS telemetry samples using an O(n) sliding window.

ArraysSliding WindowAKUNA CAPITAL
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3
More topics2 questions · ~19 min
Top Options Contracts QueryMedium
Practice

Aggregate daily option volume and rank the top five contracts within each underlying asset.

Window FunctionsRankingCTEsAKUNA CAPITAL
Optimize Join With Corporate ActionsHard

Tests query optimization and execution planning for large-scale market data joins.

Joinsquery optimizationAggregationsAKUNA CAPITAL
Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
Compare Period Metrics With Window FunctionsMedium
Practice
Practice drill

Compare each period's metric with the preceding available period using PostgreSQL window functions.

Window FunctionsLag/LeadDate FunctionsAKUNA CAPITAL
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
The finish line: interview-readyComplete all 33 questions plus 2 hands-on drills to finish this plan.