Christoph Hagen
Advanced AI Data Trainer - German
Cape Town, Western Cape, South Africa
Summary
👤
Senior🎓
Top SchoolChristoph Hagen is an Advanced AI Data Trainer and seasoned Director of Photography with over 15 years blending cinematography, digital technology, and AI work to turn complex systems into practical, user-focused solutions. Based in Cape Town, he brings nine years of formal experience in tech roles alongside a long-running freelance career producing commercial and music video content, giving him a rare mix of creative direction and technical precision. Comfortable in German-language AI training workflows, he excels at translating nuanced human judgment into high-quality training data and scalable annotation processes. A hands-on developer and DIY tinkerer who codes in Swift for iOS and pursues electronics and woodworking projects, he leverages practical prototyping skills to inform tooling and process improvements. Colleague-focused and client-oriented, he thrives where multidisciplinary teams need clear, efficient bridges between creative intent and technical execution.
9 years of coding experience
Abitur, Matric, Abitur, Matric at Friedrich-Paulsen-Schule, NiebüllDiploma, Cinematography and Film/Video Production, Diploma, Cinematography and Film/Video Production at City Varsity, Cape Town
German, English, French
Github Skills (75)
messaging10
messenger10
chat10
encoding10
encoder10
swift10
safari-push-notifications10
decoder10
ios10
codable10
signal10
decoding10
apple-push-notifications9
wave9
binary-serialization9
Programming languages (6)
Github contributions (5)
christophhagen/libsignal-protocol-c
Sep 2017 - Oct 2021
Signal Protocol C Library
Contributions:2 PRs, 15 pushes, 25 branches in 4 years 1 month
signalc-libraryprotocolc99signal-protocol
christophhagen/Clairvoyant
Jan 2023 - Feb 2023
Contributions:41 releases, 97 commits, 135 pushes in 1 month
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