Building Cross-Framework Messaging with Quarkus, Micronaut, and RabbitMQ
The JVM ecosystem offers a wide range of powerful frameworks, each with its own strengths and capabilities. In a modern distributed architecture, ho…
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I Spent 1 Billion Tokens Making a Real Chip with AI — and Found Its True Limits
I Spent 1 Billion Tokens Making a Real Chip with AI — and Found Its True Limits TL;DR: This is not "I prompted an AI to make a chip." It's the conso…
Beyond the Basics: What I learned from a Deep-Dive EDA on the Ames Housing Dataset
Hey everyone! As I’m working through my ML fundamentals, I wanted to share a deep-dive Exploratory Data Analysis (EDA) I just completed on the class…
Building Fault-Tolerant, Event-Driven Kafka Pipelines in Go: Reliable Reprocessing & Dead Letter Queues
A practical guide to building reliable event-driven systems in Go using Apache Kafka. Learn how to implement tiered retry strategies with delayed re…
Event-Driven Architecture on AWS: SQS vs SNS vs EventBridge vs Kinesis — Patterns, Anti-Patterns, and When to Use What
Event-driven architecture (EDA) is how modern distributed systems communicate at scale. Instead of services calling each other directly (tight coupl…
Agents Don't Start with Prompts. They Start with Events.
Lately, it seems like everything is an agent. Open LinkedIn and you'll find posts about AI Agents. Go to YouTube and you'll see tutorials on LangCha…
🚦 Event Listeners, Processors, and DbContext — Pitfalls & Best Practices - .NET 10
Here’s a short, easy-to-digest article that explains the pitfalls and best practices of mixing lifetimes in .NET dependency injection. 🚦 Event Liste…
From 100% CPU to 68%: How We Saved 1M Database Updates from Crashing
"Handling 1M database updates triggered by a dashboard button. We decoupled PHP's synchronous timeout using RabbitMQ and a batch-processing Go worke…
Send your events later
I build a lot of automated workflows. Across the suite of apps that powers Ready, Set, Cloud, I have a dozen or so mature, long-running automations…
Kafka in hospitals: real-world event architecture for HIS, LIS and billing in a Venezuelan mid-size hospital
Most Kafka “healthcare interoperability” examples are theoretical or focused on US/EU EHRs. I wanted to share a concrete case from a mid‑size hospit…
SNS vs EventBridge: the 100-point cap nobody talks about
SNS vs EventBridge: the 100-point cap nobody talks about I've been digging into AWS in depth lately. At some point I got stuck on something: EventBr…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (5/5)
In this final article, we're going to explore Production practices 22. Events Are Delivered, Not Guaranteed A common misconception in event-driven a…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (part-4)
In this article, we're going to explore Contract Testing Contract testing ensures that event contracts remain stable as systems evolve. Producers re…
Installing Apache Kafka 4.2 on Ubuntu (WSL2): A Complete KRaft Step-by-Step Guide
Installing Apache Kafka 4.2 on Ubuntu 24.04 (WSL2) Using KRaft Mode: A Complete Step-by-Step Guide Learn how to install Apache Kafka 4.2 in KRaft mo…
How I'd Design a Kafka-Based Payment Event Pipeline from Scratch
Architecture walkthroughs tend to show you the polished version — the diagram that survived a whiteboard, cleaned up after the fact. What they skip…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (part-2)
This is part-2 of the article series on "Building Reliable Event-Driven Systems". In this article, we're going to explore Event Schemas . 5. Designi…
Using WebSockets to Convert BTC to USD and Reais (BRL)
If you need real-time BTC conversion (USD and BRL), polling an API every few seconds is usually not enough. A better approach is streaming quotes wi…
A RabbitMQ Upgrade Exposed the Reliability Assumptions Hidden in Our Messaging System
The RabbitMQ upgrade looked like a straightforward infrastructure task: move from RabbitMQ 3.X to 4.X, provision the new broker, review the client s…
Real-Time Inventory Management with Kafka: How Retailers Are Eliminating Stockouts
TL;DR Retailers process thousands of inventory transactions every second across physical stores, eCommerce platforms, warehouses, suppliers, and ful…
Rabbit Relay v1.0.0: Type-safe RabbitMQ for Node.js without hiding RabbitMQ
I just released Rabbit Relay 1.0.0 , the first stable release of a TypeScript-first RabbitMQ framework for Node.js. Rabbit Relay is built on top of…
Move to Event-Driven Architecture
Like many teams we didn’t choose event-driven architecture in the first place. At first, the application was relatively simple. A user performed an…
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,…
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…
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…
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…
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 stea…
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 — a…
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…
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…
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. Ho…