PyCon DE & PyData 2025

Daniel Hepper

Daniel is the CTO at Userlike, a leading SaaS company providing innovative customer communication solutions. He has a degree in Computer Science from the University of Karlsruhe and has been writing software professionally for over 20 years. He enjoys sharing his experiences and helping fellow developers level up their software development skills, and presented before at various Django and Python conferences throughout Europe. When not in front of a keyboard, he can be found training for his next marathon or building intricate Lego contraptions with his son.


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Session

04-24
16:15
30min
Conquering the Queue: Lessons from processing one billion Celery tasks
Daniel Hepper

At Userlike, Celery is the backbone of our application, orchestrating over a 100 million tasks per month. In this talk, I’ll share real-world insights into scaling Celery, optimizing performance, avoiding common pitfalls, handling failures, and building a resilient architecture.

PyCon: Django & Web
Hassium