Jakub Dzikowski
Experienced engineer focused on Node.js, production reliability, and DevEx
Fully remote since 2016
Posts
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 to provide me with a short blog article titled: "Don't be a human / AI interface" targeted at developers who don't verify the code generated by AI.
Hyperledger Fabric Cheat Sheet
2021
A practical and pretty extensive cheat sheet that explains Hyperledger Fabric from first principles: network topology, transaction flow, data consistency, smart contract execution, tradeoffs and more.
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.
Open Source
Fablo
Co-creator and maintainer of a tool to run local Hyperledger Fabric networks for development, later accepted into Hyperledger Labs (see the latest talk).
Mentor for Linux Foundation Decentralized Trust / Hyperledger Foundation since 2022.
Jaiph
Creator of a scripting and composable DSL for defining AI agent workflows, focused on making agent systems easier to build, compose, and automate.
GalaChain SDK
Lead and maintainer of an open-source framework and tooling ecosystem for building blockchain applications on GalaChain.
Other Open Source projects include Hyperledger Fabric REST API server, RxJS block streaming and more.
Top 5 Gallup strengths
Contact
I speak English and Polish. My time zone is CET/CEST.