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Makes POST retries return one durable business outcome by combining scoped keys, request identity, atomic ownership, response replay, and reconciliation.
Designs email, in-app, and push-style notification delivery with preferences, retries, and idempotent side effects.
Designs an external partner API with authentication, versioning, rate limits, idempotency, documentation, and compatibility.
Designs synchronization with an external system using cursors, retries, idempotency, rate limits, and reconciliation.
Explains soft delete in EF Core APIs with practical .NET data-access examples and production trade-offs.
Designs a multi-service business workflow using local transactions, durable progress, idempotency, retries, and domain-specific compensation.
Designs a file workflow with metadata, durable storage, validation, access control, scanning, and safe downloads.
Places contract, use-case, domain, authorization, and database validation at the boundaries that can enforce each rule consistently.
Designs authenticated, replay-resistant webhook intake with durable acknowledgement, idempotent asynchronous processing, ordering policy, and reconciliation.
Designs a safe admin import flow with upload staging, validation, preview, confirmation, idempotency, and rollback strategy.
Designs comments with permissions, threading, mentions, notifications, editing history, and moderation concerns.
Designs draft, review, publish, rollback, and audit behavior for content managed by editors and admins.
Designs a sharding strategy with a stable key, balanced load, routing, resharding, cross-shard limits, and operational ownership.
Designs deletion, retention, soft delete, hard delete, backups, audit records, and asynchronous cleanup across related data.
Designs user reports, moderation queues, actions, audit history, abuse controls, and appeal-friendly decisions.
Designs user preferences, channel rules, unsubscribe behavior, digest generation, and delivery suppression.
Design list endpoints with pagination, filtering, sorting, limits, and database-aware performance behavior.
Designs layered public API protection with caller identity, quotas, burst limits, abuse signals, and client-friendly responses.
Designs authorization that combines roles, permissions, tenant context, resource ownership, and auditability.
Uses read replicas selectively while accounting for stale reads, read-after-write behavior, routing, failover, query cost, and replication health.
Designs live updates with polling, server-sent events, or WebSockets while preserving authorization, ordering, scale, and fallback behavior.
Designs scheduled jobs with locking, idempotency, observability, retries, and safe operations across multiple instances.
Builds request and response contracts that tolerate independently deployed clients through explicit ownership, additive evolution, stable semantics, and measured deprecation.
Design request DTOs that protect API contracts from domain and persistence models.