Hello, I'm
Coen van Kampen
Software Engineer · Cloud & Software Architecture The Netherlands
I'm a software engineer with a passion for distributed systems, software architecture, and cloud infrastructure. I build cloud-native applications with .NET and Azure, with a focus on maintainability, scalability, and reliability. Here, I share what I learn about the technologies and architectural decisions behind modern software systems.
Featured article
Building My Own Homelab: From Docker Containers to a Smarter Home
How I turned a small HP EliteDesk into a self-hosted platform for media, automation, and experimentation, using Debian, Docker, Ansible, and Home Assistant.
Latest articles
Building My Own Homelab: From Docker Containers to a Smarter Home
How I turned a small HP EliteDesk into a self-hosted platform for media, automation, and experimentation, using Debian, Docker, Ansible, and Home Assistant.
Zero-Downtime Database Migrations in Distributed Systems
Explore how the expand-contract pattern enables zero-downtime database schema migrations in distributed systems. Based on my master's research, I explain how PostgreSQL, Liquibase, and blue-green deployments can be combined to evolve database schemas without interrupting running applications.
Consistent Hashing for Users in Sharded Databases
Learn how consistent hashing routes users to database shards, why virtual nodes help, and what it takes to move user data safely when the cluster grows.