Jens Finkhäuser
Product Owner DNS at DENIC eG
Hesse, Germany
Summary
👤
SeniorJens Finkhäuser is a product-minded software engineer and founder with 16 years of experience designing privacy-preserving, distributed systems and DNS infrastructure. Currently Product Owner DNS at DENIC and founder of the nonprofit Interpeer, he blends operational stewardship of .de with grassroots efforts to make the internet more private and user-centric. Jens has deep hands-on backend experience—demonstrated by contributions to the popular spec-first Python framework Connexion—alongside long-term roles in P2P research, security-focused engineering, and startup CTO leadership. He favors pragmatic, spec-driven development and believes technical design should follow use cases rather than convenience, a stance he advances through community work. Based in Hesse, Germany, he pairs systems-level thinking with a researcher’s curiosity, often tackling problems that industry incentives leave unaddressed.
16 years of coding experience
22 years of employment as a software developer
German, English, Italian
Stackoverflow
557reputation
58kreached
4answers
0questions
Github Skills (25)
unit-testing10
substrate10
python10
apidoc10
data-structure10
flask-ask10
blockchain10
data-structures10
rust10
flask10
typescript9
swagger9
typescript-types9
api9
openapi9
Programming languages (21)
Github contributions (5)
spec-first/connexion
Sep 2016 - Sep 2016
Connexion is a modern Python web framework that makes spec-first and api-first development easy.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:54 commits, 6 PRs, 35 comments in 6 days
Contributions summary:Jens primarily contributed to the back-end functionality of the Connexion framework, focusing on resolving operationId resolution issues. They added test cases to improve error handling for missing and bad operationIds. Furthermore, the user enhanced the framework by implementing the ability to randomize endpoint names and translating ImportError into ResolverError, improving the framework's robustness. The user also improved the test cases.
redocpythonflaskapi-firstendpoint
jfinkhaeuser/collapsium-config
May 2016 - Apr 2018
Contributions:1 PR, 33 pushes, 1 branch in 1 year 11 months
collapsesources
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