I'm Denis.
Ex-lawyer, recovering economist, software engineer focused on data.
I write code for fun and for profit.
Born in Brazil. Turned German. Currently based in Lisbon.
Reach me at me·at·denismaciel.com.
Slack bot that fostered positive feedback
Apr 2025 – Present
Aug 2022 – Mar 2025
Sep 2021 – Aug 2022
Mar 2020 – Aug 2021
May 2019 – Feb 2020
June 2017 – Feb 2019
June 2015 – Jul 2017