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Diaconia Interview Questions

The questions to prepare for Diaconia interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
PipelinesStart here. 5 questions · ~40 min
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityDDiaconia
Capacity Planning for Data PipelinesMedium

How to think about capacity planning for a pipeline, including throughput, storage growth, latency, and operational headroom.

system designhardware architecturecapacity planningDDiaconia
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2
System Design12 questions · ~96 min
Design a Highly Available ML Serving PlatformMedium

Design a distributed ML serving platform that stays available and scales under failures, traffic spikes, and model updates.

distributed systemsscalabilityhigh availabilityDDiaconia
Design a Fault-Tolerant Web ML StackMedium

Design an ML-backed web application that stays available through dependency failures, model issues, and traffic spikes.

InfrastructureModel ServingQualityDDiaconia
Cross-Region Data ConsistencyHard

Evaluates your trade-offs and mechanisms for consistency, latency, and failure handling across regions.

distributed systemsdata consistencyarchitectureDDiaconia
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3
Behavioral & Leadership20 questions · ~160 min
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4
More topics3 questions · ~24 min
Prioritize Work Under Tight DeadlinesEasy

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementDDiaconia
Debugging a Production IncidentMedium

Tests incident triage, debugging methodology, and reliability thinking under production pressure.

production environmentDebuggingincident responseDDiaconia
Avionics Hardware-Software InterfacesMedium

Evaluates your ability to bridge hardware and software constraints in avionics systems.

DDiaconia

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