Christof Dorner
Senior Software Engineer at Immersive
Berlin, Germany
Summary
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RockstarChristof Dorner is a Berlin-based senior software engineer with 16 years of experience building backend and cloud-native systems, most recently working with Go, Python, Ruby, Kubernetes and IaC. He pairs deep hands-on engineering across the full stack with product-focused leadership, having moved between IC and engineering manager roles and led teams at Rasa, Mercedes‑Benz.io and Snyk. A pragmatic advocate for Lean and Agile practices, he treats collaboration and product discovery as the hardest—and most important—engineering challenges. Christof is an active open-source contributor, improving NLU tooling in the popular Rasa project and contributing to annotation and social reading platforms, reflecting a broad interest in developer tooling and user-facing systems. He maintains much of his personal code on self-hosted forges, signaling a preference for control and craftsmanship beyond mainstream GitHub activity.
16 years of coding experience
19 years of employment as a software developer
English, German, Japanese
Stackoverflow
541reputation
21kreached
6answers
0questions
Github Skills (50)
javascript10
python10
back-end-development10
django10
annotations10
css10
nlu10
machine-learning10
annotation-processing10
gtk10
go10
sqlalchemy10
rasa10
html10
nlp10
Programming languages (16)
Github contributions (5)
hypothesis/h
Feb 2016 - Sep 2017
Annotate with anyone, anywhere.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 releases, 899 commits, 551 PRs in 1 year 7 months
Contributions summary:Christof focused on refactoring backend code and implementing new features. They added a method to the `Group` model to filter by group creators, updated the user deletion process to handle group creators, and developed a function to allow for easier moving of annotations and document data. Their contributions also included modifying the authorization code flow with improved features and fixes.
pythonannotationannotateanywhere
hypothesis/client
Feb 2016 - Apr 2017
The Hypothesis web-based annotation client.
Role in this project:Front-end Developer
Front-end DeveloperContributions:57 commits, 7 PRs, 45 pushes in 1 year 2 months
Contributions summary:Christof primarily focused on enhancing the front-end functionality of the Hypothesis client, specifically addressing issues related to user interaction and security. They refactored existing code to address CSP violations, moving JavaScript code from inline to external files. The user also implemented new features and refactored existing code related to the admin interface and user interface.
javascriptweb-basedannotationfrontend
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