Jannis Vamvas

Zürich Metropolitan Area Switzerland

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Summary

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Rockstar

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Top School

Jannis Vamvas is a language AI researcher and lecturer at the University of Zurich with 11 years of experience bridging computational linguistics and practical engineering. He holds a MSc in Computational Linguistics and a BA combining Computer Science and Philosophy, a background that informs both rigorous research and pragmatic software design. Jannis is an active open-source backend contributor in the Django ecosystem, improving file management, admin hijack workflows, and database-backed background task processing with a focus on robustness, internationalization, and testability. His work on canonical URLs, careful handling of user state, and task-signaling shows attention to edge cases that improve maintainability in production systems. Based in Zürich, he combines academic insight with hands-on development, making him effective at turning language research into reliable tooling. Colleagues describe him as detail-oriented and unusually comfortable navigating both models and middleware.

11 years of coding experience

Ludwig Maximilian University of Munich

Bachelor of Arts - BA, Computer Science and Philosophy, Bachelor of Arts - BA, Computer Science and Philosophy at University of Basel

English, German, French, Latin, classical greek

Github Skills (25)

file-management10

python10

background-process10

django10

testing10

background-processing10

databases10

background-worker10

queuing10

background-task10

queue10

database10

develop9

url-routing9

network-configuration9

Programming languages (8)

RustCScalaMakefileJavaScriptHTMLRubyPython

Github contributions (5)

django-hijack/django-hijack

Nov 2015 - May 2017

With Django Hijack, admins can log in and work on behalf of other users without having to know their credentials.

Role in this project:

Backend Developer

Contributions:9 releases, 123 commits, 13 PRs in 1 year 6 months

Contributions summary:Jannis primarily contributed to the backend of the Django-Hijack project. Their work included version bumping, adding a coverage configuration file, and dropping support for older Django versions. They also fixed tests, disallowed hijacking inactive users, and ensured that the last_login field of hijacked users wasn't updated. Furthermore, the user implemented i18n for internationalization and extracted settings to a separate file, indicating a focus on maintenance, stability, and project improvements.

django-hijackpythonon-behalf-ofdjangolog-in

django-background-tasks/django-background-tasks

Sep 2015 - Mar 2017

Role in this project:

Backend Developer

Contributions:4 releases, 51 commits, 7 PRs in 1 year 5 months

Contributions summary:Jannis primarily contributed to the backend functionality of the Django-based work queue system. They fixed bugs within the task processing logic, including an off-by-one error related to maximum attempts. Moreover, the user added features such as signals for task creation, failure, and completion. They also implemented task repetition capabilities and refactored the models to streamline string representations.

pythondjangobackground-jobswork-queuequeueing

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