Heiner Prinzhorn
Stress Engineer at Airbus
Greater Hamburg Area Germany
Summary
🤩
Rockstar🎓
Top SchoolHeiner Prinzhorn is a seasoned Stress Engineer with 12+ years of experience in fatigue and damage tolerance for commercial aircraft structures, currently working on the A320NEO program at Airbus. Trained as a Dipl.-Ing. in Civil Engineering from Leibniz Universität Hannover, he has a long track record of F&DT calculations and finite element database work across A320 and A380 programs. He pairs deep structural engineering expertise with pragmatic problem-solving, having started his career on fuselage section databases and progressed to complex certification-driven stress analysis. Unusually for an aircraft stress engineer, he also contributes to open-source security tooling—improving mitmproxy’s back-end, WebSocket handling and type hints—bringing a meticulous, code-focused mindset to tooling and automation. Colleagues rely on him for reliable, detail-oriented engineering that bridges hands-on calculations and modern software practices.
12 years of coding experience
2 years of employment as a software developer
Dipl.-Ing., Bauingenieurwesen, Dipl.-Ing., Bauingenieurwesen at Leibniz Universität Hannover
Stackoverflow
22,328reputation
1.6mreached
251answers
27questions
css
top-5%
cross-browser
top-5%
animation
top-5%
ajax
top-5%
javascript
top-1%
jquery
top-1%
Github Skills (32)
debugging10
debug10
javascript10
tls1210
jquery10
python10
http10
proxy10
tls1310
security10
mtls10
libtls10
testing9
animation9
ajax9
Programming languages (18)
Github contributions (5)
mitmproxy/mitmproxy
Apr 2020 - Oct 2022
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Role in this project:
Back-end Developer / Security Engineer
Back-end Developer / Security EngineerContributions:56 reviews, 25 commits, 46 PRs in 2 years 7 months
Contributions summary:Heiner contributed to the `mitmproxy` project, which focuses on intercepting and manipulating network traffic. Their work includes fixing bugs related to server connection and transparent proxy mode, ensuring proper handling of edge cases. They also implemented features related to encoding detection and WebSocket message handling, which directly improves the proxy's ability to handle different HTTP and TLS scenarios. Additionally, the user improved the project's internal code quality by adding type hints.
http-headerpythonsslproxyja3
Prinzhorn/twitter-widgets
Jan 2015 - Apr 2018
Wrapper for dynamically loading the Twitter widgets script (follow button, embedded tweets etc.)
Contributions:11 commits, 1 PR, 5 pushes in 3 years 3 months
followbuttontwitter-apitwitterembedded
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