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Top 50 high availability Interview Questions

The most frequently asked high availability questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~7htotal time
197companies covered
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1
System DesignStart here. 27 questions · ~217 min
Design a Highly Available ML Serving PlatformMedium
Recently asked

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

distributed systemsscalabilityhigh availabilityPPorterGlobal Payment HoldingCisco Restaurant + Bar
Design a Payment GatewayHard
Recently asked

Tests system design depth for end-to-end payment flows, reliability, and operational concerns.

system designhigh availabilityAdyen
Design Rate-Limiting API GatewayHard

Tests system design for scalability, availability, and traffic control in Okta-style API infrastructure.

rate limitinghigh availabilityapi gatewayOkta
Highly Available Lesson Reminder NotificationsMedium
Recently asked

Assesses reliability, scalability, and delivery guarantees for user notifications.

system designhigh availabilityPPreply
High Availability and ConsistencyMedium
Recently asked

Assesses tradeoffs and design decisions for HA and consistency in production systems.

system architecturehigh availabilitydata consistencyWealthfront
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2
Pipelines4 questions · ~32 min
Design Global Vehicle Telemetry PipelineHard
Recently asked

Design a global real-time telemetry pipeline for 500,000 active vehicles with high availability, replayability, and strong data quality controls.

Stream Processinghigh availabilitytelemetryRivianRivian and Volkswagen Group TechnologiesBartech Staffing
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3
Execution15 questions · ~121 min
Plan HA and DR StrategyMedium
Recently asked

Define how you would deliver high availability and disaster recovery for a cloud-hosted application with clear recovery targets and rollout safeguards.

cloud serviceshigh availabilitydisaster recoveryExperis España66degreesCelestar
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4
More topics4 questions · ~32 min
Driving Disaster Recovery ReadinessHard

Tests ownership and cross-functional leadership in improving HA/DR readiness for a critical system under operational and compliance pressure.

resiliencehigh availabilitydisaster recoveryRaymond James Financial Services
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