Blog

2026

I wrote a book on building production RAG systems

I created a retrieval-ready EU AI Act dataset

Which vector database should I use for RAG?

2025

Designing event payloads: what should be in an event?

Synchronous APIs vs events: choosing the right communication style

Testing event-driven systems beyond the happy path

Observability in event-driven systems

Event schema versioning: evolving events without breaking consumers

Ordering problems in event-driven systems

Retries, backoff, and dead-letter queues

The Outbox pattern: reliable event publishing

Idempotency: the pattern that saves you from duplicate messages

Saga choreography vs orchestration

The Saga pattern explained with a real example

Eventual consistency without hand-waving

Events vs commands: a small difference that matters

Event-driven architecture in plain English