Data Management and Api Design Questions
Designing how applications structure, expose, and consume data through APIs and backend systems. Covers API design principles for data endpoints, pagination, filtering and sorting, idempotency, versioning, rate limiting, schema design, normalization versus denormalization, consistency models, caching strategies, client side fetching patterns, and error handling. Includes considerations for data integrity across integrations, transactional boundaries, master data management, and how API decisions affect downstream consumers and performance.
HardSystem Design
48 practiced
Design a saga-based approach (or orchestration alternative) for a travel booking flow involving flight, hotel, and car reservations. Cover orchestrator responsibilities, compensation actions for each service, idempotency of saga steps, persistence of saga state, timeouts, and how to allow manual intervention in case of partial failures.
EasyTechnical
45 practiced
List benefits and drawbacks of using GraphQL instead of REST for data-rich clients. As a backend engineer, how would you mitigate N+1 query problems, and how would you enforce field-level authorization and rate limiting in a GraphQL service?
HardSystem Design
39 practiced
Design a robust API versioning strategy for a multi-region microservices platform that supports zero-downtime deployments and the ability to roll back breaking changes. Discuss traffic routing, schema negotiation, deployment windows, and strategies for database schema evolution across regions.
HardTechnical
48 practiced
For a collaborative real-time document editing API, choose between causal consistency and eventual consistency. Describe how you'd implement the chosen model (e.g., CRDTs or operational transformation), how to surface merge/conflict information to clients, and trade-offs in latency and complexity.
MediumSystem Design
34 practiced
Design a client-side caching and synchronization strategy for a single-page application that must work offline and sync changes when network is available. Include optimistic updates, conflict resolution approaches, and strategies for paginated data when reconnecting and syncing.
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