Ai

10 Lessons learned when building Charlie

Last week, we launched Charlie, our first AI Agent, specifically designed and tailored for financial institutions.

While designing and building it over the past few months, the pace was intense. Now I finally have the space to step back and document the core insights we gained while developing this …

Can a Rabbit help catching Bugs?

AI-assisted code reviews: are they actually helpful, or just more noise in an already crowded inbox?

Today I want to talk about my experience with AI-assisted code review tools like CodeRabbit and how they are helping me with my day-to-day work.

As a preface: I’m not involved with any of the …

How Evals Help Build Reliable AI

I finished 2025 with a negative AI post, so let’s start 2026 with a positive one.

I’m leading a project for an AI-based tool, and something we are heavily experimenting with is eval-driven development. Technical readers may immediately associate this with test-driven development, and …

On AI Slop

I’ve started to notice a very predictable trend: AI-generated messages in my inbox.

What finally pushed me to write this was how casually people are dumping GPT-generated text into their communications, apparently believing two things:

  • That people won’t notice
  • That people will actually …

No, AI is not replacing Data Engineers.

Claude 4 landed, and as usual, it kicked off the usual hype cycle. “Best coding model ever” “It writes stories!” “AI is replacing programmers!” And of course, LinkedIn is buzzing with non-technical folks declaring how engineers are doomed and it’s time to …

45 Minutes, 100% AI-Generated Code

Last Saturday, I woke up with an idea: what if StoryTeller, the product I work on, had an interactive dashboard with an AI agent that could perform tasks? It was one of those half-formed concepts I could picture it but couldn’t quite articulate it. I knew if I wanted my team to take it …

Giving our AI superpowers with OpenAI Tools

In recent months, I have been experimenting with AI tools to leverage new, powerful technologies and create value. Like you, I am inundated with hype and buzzwords, and this makes things complicate, when trying to get started. While looking for simple answers to my questions, it’s often challenging …

What Power BI is still missing

During these months, I had the chance to take a look at Power BI at the enterprise level, juggling advanced requests from hundreds of users and reports. I am impressed by all the features that the developers have rolled out recently, greatly improving both user and creator experiences. However, one …