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Prep plan
Updated weekly · Last refresh Oct 17

Okx Data Engineer Interview Questions

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

44questions
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1
PipelinesStart here. 19 questions · ~152 min
Choose Kafka vs FlinkEasy

Design a streaming pipeline and justify when Kafka, Flink, or both should be used for ingestion, stateful processing, replay, and low-latency delivery.

Stream ProcessingOrchestrationDependenciesOkx
Pipeline Alerting and Monitoring DesignMedium

Set up pipeline monitoring and alerting that catches critical failures quickly while limiting noisy alerts.

InfrastructureToolsQualityOkx
Handle Late Data in StreamingHard

Design a streaming pipeline that can absorb late-arriving events while keeping aggregates correct and downstream tables stable.

Stream ProcessingIdempotencyData ModelingOkx
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2
System Design4 questions · ~32 min
Edge Cases and Failure ModesHard

Tests your rigor in anticipating production issues and designing for robustness.

Risk Assessmentedge casesfailure modesOkx
Constraint-Driven System DesignHard

Tests your ability to structure system design tradeoffs and define measurable requirements.

latencythroughputOkx
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3
SQL & Data Manipulation3 questions + 3 drills · ~54 min
Distributed Data ConsistencyHard

Tests your understanding of consistency models, transactions, and coordination in distributed systems.

Reconciliationdistributed databasesdata integrityOkx
Consistency and Correctness in Distributed SystemsHard

Tests your understanding of correctness guarantees, coordination, and data validation in distributed setups.

distributed systemsconsistencydata integrityOkx
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
SQL for Top Trading UsersMedium
Practice
Practice drill

Task OKX Business Analytics needs to identify the highest-volume users on the OKX trading platform. Write a PostgreSQL query that ranks all users by their ...

sql queryData AnalysisOkxCCoinDCX
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
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4
Behavioral & Leadership17 questions · ~136 min
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5
More topics1 question · ~8 min
Security and Compliance for DataMedium

Tests your security practices for data governance, access control, and compliance readiness.

ComplianceSecurityOkx
The finish line: interview-readyComplete all 44 questions plus 3 hands-on drills to finish this plan.