What is a CQRS request pipeline? How does an HTTP request travel through Controller, MediatR, pipeline behaviors, a handler, Outbox, and a read model?
How does CQRS work in distributed systems? A practical guide to domain events, message brokers, projections, Outbox, idempotency, and eventual consistency.
How does CQRS stay safe in production? Consistency lag, duplicate events, reordering, projection recovery, retries, DLQs, and Saga strategies.
Why do monolithic frontend boundaries become strained in a growing marketplace? A decision record covering the alternatives, trade-offs, and production…
A payment is never one service's job: basket, stock, provider gateway, and ledger all have to agree. Here's why the synchronous chain breaks down.
The PSP taking the money is one step. Finishing the order is a saga that needs stock, finance, notifications, and cleanup to all succeed.
If a database write and an event publish aren't in the same transaction, one can vanish or duplicate. Outbox publishes; inbox dedups on the consumer.
Exactly-once messaging is a lie. How defense in depth — idempotency, dedup, outbox, and reconciliation — produces an effectively-once business outcome.
Career perspective: fintech companies aren't looking for Stripe SDK skills — they want failure thinking, reconciliation, idempotency, and evidence-driven…
