Nils Thenhausen
Staff Engineer at Personio
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolNils Thenhausen is a Staff Engineer based in Berlin with 13 years of hands-on experience building reliable, scalable systems and leading engineering at fast-moving mobility and HR tech companies. He progressed through senior technical roles at TIER Mobility before joining Personio, combining deep backend expertise with leadership in production engineering. Nils contributes to notable open-source crypto tooling—having improved HMAC behavior and robustness in the Stanford JavaScript Crypto Library—reflecting a pragmatic focus on security, performance, and testability. He holds an M.Sc. in IT-Systems Engineering from Hasso Plattner Institute and brings entrepreneurial experience from founding and running a software firm, which informs his product-minded approach to platform and infrastructure problems.
14 years of coding experience
8 years of employment as a software developer
Bachelor of Science (B.Sc.) Naturwissenschaftliche Informatik, Bachelor of Science (B.Sc.) Naturwissenschaftliche Informatik at Bielefeld UniversityMaster of Science (M.Sc.) IT-Systems Engineering, Master of Science (M.Sc.) IT-Systems Engineering at Hasso Plattner Institute
German, English, French, Latin
Stackoverflow
251reputation
8kreached
7answers
2questions
Github Skills (13)
javascript10
hmac10
cryptography10
testing8
ajax6
iframe6
sjcl6
jquery6
requirejs6
bcrypt6
scrypt6
angularjs6
angular-ui-router6
Programming languages (8)
Github contributions (5)
bitwiseshiftleft/sjcl
Aug 2013 - Jul 2019
[DEPRECATED] Stanford Javascript Crypto Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 189 commits, 78 PRs in 6 years
Contributions summary:Nils primarily focused on improving the functionality of the Stanford Javascript Crypto Library. Their contributions included making HMACs updateable, resetting them after digest, adding a try-catch block to handle cryptographic entropy, and modifying the code for performance enhancements. Moreover, the user added tests for the reset and update mechanisms in HMAC implementations.
cryptojavascript
Nilos/dotfiles
Sep 2016 - Jun 2024
Contributions:1 push, 1 branch in 7 years 10 months
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