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Top 50 architecture patterns Interview Questions

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

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System DesignStart here. 49 questions · ~392 min

Monolith vs Microservices Trade-offsHard

Recently asked

Compare monolithic and microservices architectures, including deployment, scaling, reliability, data ownership, and migration trade-offs.

latencyTrade-offsdistributed systemsDDoctolibSScalable Press

PRICE WATERHOUSE COOPERS

State Management in ReactHard

Recently asked

Explain how to choose React state ownership, synchronization, and update patterns while avoiding unnecessary re-renders.

challengesclient-sidereact

Globallogic

Asurion

VLink

Scalable Real-Time Data ArchitectureHard

Recently asked

Design a scalable real-time data processing architecture with low latency, high throughput, and fault tolerance.

data processingdistributed systemsscalability

Nielsen

MorningstarAAalto University

Parking Lot System DesignHard

Recently asked

Design the object-oriented classes and high-level architecture for a parking lot system.

class structuredesignarchitecture patternsGGuidepointMMindbodyMMoveInSync

Design a RESTful APIHard

Recently asked

Design a maintainable RESTful API with clear contracts, validation, security, versioning, observability, and reliable failure handling.

api designsystem architectureauthorizationRRise PeopleAAccellorFFiducial

Monolith to Microservices MigrationHard

Recently asked

Explain the architectural, operational, data, and organizational considerations for safely migrating a monolithic application to microservices.

migrationenterprise architecturedistributed systemsSSoftwareOneVVertexIInnovaccer

Microservices ExperienceHard

Recently asked

Explain your hands-on microservice architecture experience, including service boundaries, communication, deployment, observability, and tradeoffs.

distributed systemsapi gatewayarchitecture

ZohoCCardinal RecruitmentSSo Energy

Ensuring Microservices ConsistencyHard

Recently asked

Explain how to maintain data consistency across microservices, including transactions, events, retries, reconciliation, and failure handling.

distributed systemsdata consistencyarchitecture

WhatnotWWellhubMMetropolis Healthcare

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