Christian Hansen
Chief Skier And Developer at Poser
Innsbruck, Tyrol, Austria
Summary
👤
Senior🎓
Top SchoolChristian Hansen is a seasoned technologist and co-founder with 13 years building security-focused startups and engineering teams, best known for launching Cobalt.io and pioneering pentesting-as-a-service since 2013. With an academic foundation in Applied Physics (BSc/MSc) and early career experience in 3D finite-element simulations and structural dynamics, he bridges deep technical rigor with product and security engineering. He has held CTO and Distinguished Engineer roles across San Francisco, Berlin and Innsbruck, scaling both platform and operational practices for security delivery. Now advising startups and mentoring founders, he combines hands-on engineering instincts with strategic product judgment. An intriguing trait: his background spans firefighter hazmat training to synchtrotron x‑ray physics, reflecting a rare blend of practical risk management and scientific curiosity.
13 years of coding experience
16 years of employment as a software developer
Modern experimental x-ray (synchrotron) physics and cosmology, Modern experimental x-ray (synchrotron) physics and cosmology at Københavns Universitet - University of CopenhagenFirefighter and rescuer, Firefighting, advanced first aid, training for accidents involving harzardous chemicals, Firefighter and rescuer, Firefighting, advanced first aid, training for accidents involving harzardous chemicals at Danish Emergency Management AgencyProfessional Ski Instructor, Professional Ski Instructor at Den Danske Skiskole (The Danish Ski School)Technical University of DenmarkLandesskilehrer, Landesskilehrer at Tiroler Skilehrerverband (Tyrolean Ski Instructor Association)Bachelor project and attended courses in applied physics engineering, Bachelor project and attended courses in applied physics engineering at Grenoble INP - UGA
English, Danish, French, German
Stackoverflow
1,532reputation
54kreached
5answers
7questions
Github Skills (55)
content-security-policy10
python10
machine-learning10
hsts10
deep-learning10
tensorflow10
cookie10
middleware9
ml9
deep-neural-networks9
neural-network9
referrer-policy9
rack9
html8
react-markdown8
Programming languages (9)
Github contributions (5)
chrhansen/poser
Jul 2025 - May 2026
A tool to give feedback on skiing techniques. Built by @chrhansen in Innsbruck, Austria.
Contributions:149 PRs, 608 pushes, 235 branches in 9 months
coachingpose-estimationskiingsports
chrhansen/tensorflow.rb
Jul 2016 - Oct 2016
Contributions:3 PRs, 122 pushes, 24 branches in 3 months
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