
Jan-Hendrik Kuperus
(He/Him)
Director / Architect
Yoink
Utrecht, The Netherlands
Speaks: EnglishDutchFrisian
Biography
Jan-Hendrik is a software engineer that founded Yoink, which is a software development and consulting company for developers that share his passion for a more sustainable world. His current sustainability efforts lie in creating awareness among developers, teams and IT departments about the lack of data to make informed decisions on software design. He visits clients and conferences to speak about sustainable software development and is working on a platform to physically measure energy consumption of open source products like databases and messaging solutions.
Activity History
2025
Feb 13
GSF Meetup @ Yoink
We hosted a great GSF Meetup at our company. The night was filled with interesting talks and a lot of community energy. We look forward to hosting the GSF Meetup NL group again in the future!

Kickstarting 2025: A Community-Driven Sustainable Year, Thu, Feb 13, 2025, 5:00 PM | Meetup
www.meetup.com
2024
Mar 2
Architecting a Sustainable Future
Internal Event Talk
A keynote talk outlining how the lens of sustainability and decarbonisation is moving towards the IT industry, how this creates challenges and opportunities. The talk includes a section that uses a fun quiz to create awareness of how little we know about energy consumption and much we need hard data.
Architecting a Sustainable Future
www.slideshare.net
2022
Nov 3
Exploring Sustainability in Tech Without the Guilt-Trips
An interactive speaker-led, panel discussion to generate and discuss practical ideas for application in the realm of software development.
Visit activityOct 12
Exploring Sustainability in Tech Without the Guilt-Trips
An interactive speaker-led, panel discussion to generate and discuss practical ideas for application in the realm of software development.
Visit activity