Nobody Cares About Your Code
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By Christian Koch
Craft still matters—but only to the people who see the code. Everyone else is looking at the scoreboard.
Read more →Welcome
Principal engineer, conference speaker, engineering leader, and sourdough baker
Speaking Events
Watch my talks from conferences and events
- ElixirConf 2025 Elixir is all you need
- ElixirConf 2024 Engineering Your Promotion for Elixir-ists
- ElixirConf 2023 Driving Performance with Req and Finch at Cars.com
- ElixirConf 2022 Have you got the ExFactor?
- RailsConf 2017 Rails to Phoenix
Latest Blog Posts
Thoughts on software engineering and working with Elixir
Building a Flight Price Watch Agent with Claude Code and Elixir
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By Christian Koch
Let an agent watch flight prices. You have better things to do.
Read more →Immutability as Architecture: From Erlang Processes to Database Rows
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By Christian Koch
There's a pattern across reliable systems: they treat state as a sequence of facts rather than a mutable object. Erlang's process model, event sourcing, Git's object store—they all share this insight. Here's how to apply it to your database.
Read more →Building ElixirNoDeps: A Terminal Presentation Tool with Zero Dependencies
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By Christian Koch
The story behind ElixirNoDeps - how a simple idea for ElixirConf became a full-featured terminal presentation tool with remote control capabilities, all built with zero external Mix dependencies.
Read more →Modern Web Styling with Tailwind CSS
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By Developer
Learn how to create beautiful, responsive interfaces using Tailwind CSS utility classes
Read more →Why Choose Elixir for Web Servers?
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By Developer
Discover the advantages of using Elixir for building high-performance web servers
Read more →Getting Started with Ckochx
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By Developer
Learn how to build modern web servers with Elixir, Plug, and Bandit
Read more →