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…
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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 . …