ArchitectureAdvanced
Event Sourcing in .NET: Concepts and Implementation
Event sourcing in .NET explained: event stores, streams, projections, snapshots, upcasting, idempotency, Marten, KurrentDB and GDPR crypto-shredding.
Distributed Systems
37 articles about Distributed Systems: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 10
ArchitectureAdvanced
Messaging in .NET: Azure Service Bus, RabbitMQ, Kafka and MassTransit
Compare Azure Service Bus, RabbitMQ and Kafka in .NET: delivery guarantees, idempotent consumers, the outbox pattern, dead-lettering and MassTransit.
ArchitectureAdvanced
Microservices Architecture with .NET
Microservices architecture with .NET: service boundaries, data ownership, gRPC and messaging, gateways, sagas, outbox, OpenTelemetry, Aspire and eShop.
ASP.NET CoreAdvanced
Output Caching, HybridCache and Rate Limiting in ASP.NET Core
Speed up and protect ASP.NET Core apps with output caching, HybridCache L1/L2 caching and rate limiting: policies, tags, Redis, partitions and 429s.
Cloud-NativeIntermediate
Azure Functions with .NET: Isolated Worker and Durable Functions
Build Azure Functions on .NET 10 with the isolated worker: triggers, bindings, Flex Consumption, DI, middleware, Durable Functions patterns and cold starts.
Cloud-NativeAdvanced
Dapr for .NET Developers: Building Blocks for Microservices
Learn Dapr for .NET: sidecar architecture, service invocation, pub/sub, state, actors, workflows, Aspire, Azure Container Apps and Kubernetes.
Cloud-NativeAdvanced
Microsoft Orleans: Virtual Actors for Distributed .NET Apps
Build distributed .NET apps with Microsoft Orleans 10: grains, silos, clustering, persistence, reminders, streams, transactions and placement.
Cloud-NativeIntermediate
Resilience in .NET with Polly and Microsoft.Extensions.Http.Resilience
Build resilient .NET HTTP clients with Polly v8 and Microsoft.Extensions.Http.Resilience: retries, circuit breakers, timeouts, hedging and chaos testing.
Data & EF CoreIntermediate
Caching in .NET: In-Memory, Distributed, Redis and HybridCache
Caching in .NET explained: IMemoryCache, IDistributedCache, Redis and HybridCache, plus invalidation, TTL design, cache keys, serialization and hit ratio.
Data & EF CoreIntermediate
NoSQL in .NET: A Practical Guide to Azure Cosmos DB and MongoDB
NoSQL in .NET with Azure Cosmos DB and MongoDB: document modeling, partition keys, consistency, request units, SDK patterns and EF Core providers.
Interview Questions 25
ArchitectureArchitect
CQRS and Event Sourcing Interview Questions
Architect-level CQRS and event sourcing interview questions on projections, event versioning, snapshots, GDPR crypto-shredding and operations.
ArchitectureArchitect
Modular Monolith vs Microservices Interview Questions
Architect-level questions on modular monoliths vs microservices: decision criteria, Conway's Law, the distributed monolith smell and migration paths.
ASP.NET CoreArchitect
ASP.NET Core Performance and Scalability Interview Questions
10 architect-level ASP.NET Core interview questions on statelessness, caching, rate limiting, socket exhaustion, thread-pool starvation and capacity planning.
ASP.NET CoreSenior
gRPC and SignalR Interview Questions for Senior .NET Developers
Senior-level interview questions on gRPC streaming, deadlines and HTTP/2 load balancing, plus SignalR scale-out, sticky sessions and delivery guarantees.
Cloud & DevOpsSenior
Serverless and Azure Functions Interview Questions for .NET Developers
Senior Azure Functions interview questions: the isolated worker model, cold starts, Durable Functions, scaling limits, idempotency and Flex Consumption.
Cloud & DevOpsLead
Testing Strategy Interview Questions for Senior .NET Engineers
Ten lead-level interview questions on test pyramids, contract testing, Testcontainers, flaky tests, load testing and mutation testing in .NET.
Data & EF CoreArchitect
NoSQL and Polyglot Persistence Interview Questions
Architect-level interview questions on choosing data stores, Cosmos DB partition keys, RU costs, consistency levels and polyglot persistence trade-offs.
Data & EF CoreSenior
Transactions, Isolation Levels and Concurrency Control Interview Questions
Senior interview questions on ACID, isolation levels, RCSI and snapshot isolation, optimistic concurrency, distributed transactions and deadlocks.
Distributed SystemsSenior
Actor Model Interview Questions: Orleans, Dapr and Akka.NET
Senior .NET interview questions on the actor model: Orleans virtual actors, turn-based execution, reentrancy, persistence, placement, Dapr and Akka.NET.
Distributed SystemsArchitect
CAP, Consistency Models and Idempotency Interview Questions
Architect-level interview questions on CAP, PACELC, eventual consistency, read-your-writes, idempotency keys, clock ordering and conflict resolution in .NET.
Distributed SystemsArchitect
Event-Driven Architecture Interview Questions
Architect-level interview questions on events vs commands, Kafka partitions and consumer groups, schema registries, Azure messaging services and event storming.
Distributed SystemsSenior
Messaging Patterns Interview Questions
Senior .NET interview questions on delivery semantics, idempotent consumers, the outbox and inbox patterns, ordering, poison messages and schema versioning.
Distributed SystemsArchitect
Microservices Design Interview Questions for .NET Architects
Architect-level .NET interview questions on service boundaries, data ownership, API contracts, shared libraries, service templates and independent deployability.
Distributed SystemsSenior
Observability and Distributed Tracing Interview Questions
Senior and architect .NET interview questions on OpenTelemetry, W3C trace context propagation, sampling strategies, structured logging, SLOs and alerting.
Distributed SystemsSenior
Resilience Patterns Interview Questions
Senior .NET interview questions on retries, backoff and jitter, circuit breakers, bulkheads, hedging, fallbacks, retry storms, Polly v8 and Http.Resilience.
Distributed SystemsArchitect
Saga Pattern and Distributed Transactions Interview Questions
Architect .NET interview questions on choreography vs orchestration sagas, compensation design, saga state and MassTransit, NServiceBus and Durable Functions.
Distributed SystemsSenior
Service-to-Service Communication Interview Questions
Senior .NET interview questions on sync vs async calls, REST vs gRPC vs messaging, service discovery, service mesh, mTLS and cross-service latency budgets.
PerformanceArchitect
Caching Strategies Interview Questions for .NET Architects
Architect interview questions on cache-aside vs write-through, stampede prevention, HybridCache, TTL design, cache keys and Redis failure modes.
System DesignArchitect
System Design Interview: Enterprise AI Assistant (RAG Platform)
Architect-level system design questions on an enterprise RAG platform in .NET: ingestion, retrieval, security trimming, caching and cost control.
System DesignArchitect
System Design Interview: Real-Time Chat with SignalR
Architect-level interview questions on designing real-time chat in ASP.NET Core SignalR: connection scale, presence, delivery receipts and offline push.
System DesignArchitect
System Design Interview: E-Commerce Order Management in .NET
Senior .NET system design interview questions on e-commerce systems covering cart, inventory reservation, order sagas, catalog search and flash sales.
System DesignArchitect
System Design Interview: Notification Service in .NET
Senior .NET system design interview questions on notification systems covering multi-channel delivery, queueing, templating, rate limits and failover.
System DesignArchitect
System Design Interview: Payment Processing System in .NET
Senior .NET system design interview questions on payment systems: idempotency, double-entry ledgers, PSP integration, webhooks, sagas and PCI DSS scope.
System DesignArchitect
System Design Interview: Distributed Rate Limiter in .NET
Architect-level system design questions on distributed rate limiters in .NET: algorithms, Redis and Lua, ASP.NET Core limits and failure modes.
System DesignArchitect
System Design Interview: URL Shortener in .NET
Senior .NET system design interview questions on building a URL shortener: ID generation, storage, caching, redirects, analytics and abuse controls.
AI News 2
MCP 2026-07-28 Specification Goes Stateless, Adds Extensions Framework
The MCP 2026-07-28 specification, released July 28, 2026, drops protocol sessions for a stateless core and adds Multi Round-Trip Requests and extensions.
Meta Signs Multiyear NVIDIA Deal for Millions of GPUs and Standalone CPUs
Meta and NVIDIA announced a multiyear deal on February 17, 2026 covering millions of Blackwell and Rubin GPUs, standalone Grace and Vera CPUs and networking.