Jakub Dzikowski

Code Changes, Data Stays

2025-12-29

One of my colleagues recently said about data we had in the database: I cannot imagine the code that would produce such data. And that's correct. We don't have that code right now. We used to have it in the past.

Don't Be a Human 🧠 / AI 🤖 Interface

2025-12-16

This article is part joke, part serious observation. It started as a prompt to ChatGPT:

Please provide me with a short blog article titled: "Don't be a human / AI interface". It is targeted at junior developers who don't verify the code generated by AI, don't learn the system, and blindly trust AI — putting more work on senior engineers who need to verify the code. Feel free to add AI-like emojis to the title and content.

Old articles on Medium

2019 - 2021

A collection of articles on software development practices, functional programming, and engineering insights. Topics include Scala monad transformers, test fixtures, data validation techniques lessons learned from long-term projects, and various topics related with Hyperledger Fabric.

My old personal blog in Polish 🇵🇱

2014 - 2018

A personal blog in Polish covering a wide range of technical topics. Posts include React.js and React Native development, offline-first applications with PouchDB and CouchDB, big data technologies (Apache Spark, Kafka, Tez), CI/CD practices with Travis and GitLab, testing with Jest, and various tutorials on modern web development. The blog documents the journey of building applications, exploring new technologies, and sharing practical insights from hands-on experience.