Alexander Frenzel
Team Lead at Freelancer
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolAlexander Frenzel is a seasoned Python team lead based in Berlin with 15 years of professional experience and a decade-plus of focused Python development. He blends academic training in computer science and machine learning with hands-on expertise in image processing tasks such as object detection, segmentation, and depth reconstruction. At Wolt he transitioned from senior engineer to team lead, and his background spans product and research-oriented roles across startups and enterprises including lululemon and Zalando. A lifelong polyglot programmer who began with Pascal, PHP, C++ and Java, he champions open source and frequently publishes work to the community. He values collaborative learning and mentorship, preferring to grow skills through team-based problem solving and knowledge sharing. Fluent in both production engineering and applied ML, he brings pragmatic, research-informed decisions to production systems.
15 years of coding experience
12 years of employment as a software developer
Abitur, Abitur at Hans und Hilde Coppi GymnasiumDiploma, Computer science, Diploma, Computer science at Humboldt-Universität zu Berlin
English, French, German
Stackoverflow
734reputation
28kreached
21answers
0questions
Github Skills (101)
large-image10
fastapi10
video-encoding10
python10
json-schema10
swagger10
feincms10
openapi10
syncthing10
async10
django10
decorators10
modeladmin10
swagger-ui10
api10
Programming languages (5)
Github contributions (5)
escaped/django-admin-display
Oct 2018 - Apr 2021
Simplifies the use of function attributes (eg. `short_description`) for the ModelAdmin and makes mypy happy :)
Contributions:12 reviews, 37 commits, 15 PRs in 2 years 5 months
modeladminmypydjangodjango-adminhelper
escaped/django-video-encoding
Jul 2016 - Feb 2021
django-video-encoding helps to convert your videos into different formats and resolutions.
Contributions:2 reviews, 71 commits, 25 PRs in 4 years 8 months
djangovideo-encodingffmpegvideodjango-field
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