Frederick Jahn
Co-Founder at Centinel Analytica
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolFrederick Jahn is a co-founder and software engineer with eight years focused on web automation, reverse engineering, and browser internals, now leading Centinel Analytica to help publishers and platforms combat scraping, fraud, and malicious automation. He combines pragmatic Golang backend expertise with deep knowledge of browser behavior to build fast, accurate detection systems that minimize friction for legitimate users. Frederick approaches security as a cat-and-mouse game, drawing on hands-on offensive and defensive experience to anticipate threat actor techniques. His entrepreneurial track record includes multiple startups and a notable back-end contribution to the open-source Hanko authentication project, reflecting a blend of product-minded engineering and practical security tooling. Based in Berlin and educated at the Hasso Plattner Institute, he actively shares insights with the technical security community while scaling defenses that protect the open web.
8 years of coding experience
Bachelor of Science (B.Sc.): IT-Systems Engineering Informationstechnologie, Bachelor of Science (B.Sc.): IT-Systems Engineering Informationstechnologie at Hasso Plattner InstituteA levels (Abitur), A levels (Abitur) at Humboldt-Gymnasium Potsdam
English, Polish, German, French
Github Skills (14)
api-rest10
rest-api10
go10
bcrypt10
database-design10
api-design10
restful-api10
databases9
database9
data-models9
user-authentication9
authentication9
user-management9
database-management9
Programming languages (6)
Github contributions (5)
teamhanko/hanko
Apr 2022 - Jan 2023
The Complete Authentication and User Management Solution for the Passkey Era. Open Source Alternative to Clerk, Auth0, et al.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:296 reviews, 213 commits, 235 PRs in 10 months
Contributions summary:Frederick primarily contributed to the back-end functionality, focusing on setting up the web framework, including adding core files and implementing the admin and public routers. The user introduced database models, including models for webauthn credentials and session data. They also implemented the persistence layer with persister objects for handling data interaction and added essential code for integrating with email services.
takesuser-managementface-idbiometricspassword
teamhanko/passkeys
Nov 2023 - Nov 2024
FIDO2-certified passkey server and SDKs for adding passkey support to any auth system
Contributions:38 reviews, 20 PRs, 24 pushes in 1 year
fido2gopasskeyswebauthn
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