Event-Driven Architecture: Uncle Explains Like You're Five 👦👨🦳
A conversation between Uncle (a backend architect) and Nephew (a curious developer) about events, publishers, subscribers, Redis Pub/Sub, RabbitMQ, an…
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Building Resilient Multi-Agent Systems
Introduction AI agent systems are evolving rapidly. Today, we already see multi-agent architectures capable of solving complex problems by breaking th…
I built a Go microservices framework in 2017. Here's what 8 years of production taught it.
In 2017 I was maintaining a Node.js ecommerce server when a new project landed on my desk — an IoT platform for vehicle tracking devices. Thousands of…
Event-Driven Architecture: The Dual Write Problem and How to Solve It
You have a well-designed order service. It writes to the database and publishes an event to Kafka. Clean, decoupled, event-driven. Then Kafka has a br…
We Trusted Auto-Ack. The Queue Agreed. Our Costs Didn't.
Most async bugs announce themselves. This one didn't. No failed jobs. No customer complaints. No error logs. Just infrastructure costs climbing steadi…
Why Distributed Transactions Fail and How the Outbox Pattern Helps
While covering the Outbox Pattern in my earlier article on CQRS , I realized there was much more depth to it than I initially planned to discuss — and…
An Ash-Inspired DDD Framework for Python: Derive Everything from the Domain Model
I've been building PingerAgents — a multitenant AI agent orchestration platform. Along the way I ended up writing something that felt worth writing up…
RabbitMQ vs Kafka: Choosing the Right Messaging System for Real Backend Architectures (part-2)
This is my part-2 of the topic, in case you would like to go beyond basics of RabbitMQ and Kafka have look at my part-1. RabbitMQ vs Kafka: Choosing t…
How Apache Kafka Powers Real-Time Data Pipelines
Most standard data pipelines run on a schedule. You use tools like Airflow and dbt to extract and transform large batches of API data once a day. Howe…
Event Sourcing beyong the theory
Event Sourcing has always been an interesting subject to me. I used to work at a manufacturing company, specifically on a product that handled invento…
Contract-First Event-Driven Architecture on AWS
When event-driven systems grow past a handful of services, the biggest failures usually are not infrastructure failures. They are contract failures . …