Bendegúz Csirmaz
Senior Software Engineer at Cisco
Hungary
Summary
🤩
Rockstar🎓
Top SchoolBendegúz Csirmaz is a Senior Software Engineer with a decade of experience building scalable backend systems and developer-friendly platforms from Hungary. He has driven significant product and cost outcomes at Revolut—designing a global time-off system that saved £100k+ annually, implementing a subscription billing flow, and scaling PostgreSQL for 5x customer growth. His work spans Django core contributions (tuple lookups, composite primary key support and database query fixes) to production services using Django/Flask/FastAPI, Celery and Airflow. Comfortable across startups and enterprise teams, he pairs pragmatic engineering with strong testing and refactoring discipline. Now at Cisco, he continues to focus on database-driven backend reliability and developer workflows, bringing both open-source insight and hands-on delivery experience.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Eötvös Loránd University
English, Hungarian
Stackoverflow
598reputation
17kreached
18answers
12questions
Github Skills (18)
postgresql10
python10
django10
orm10
dbset10
modeling10
testing9
application-framework9
app-framework9
databases9
sql9
database9
web-framework9
arraylist6
jxl6
Programming languages (7)
Github contributions (5)
django/django
Mar 2024 - Mar 2025
The Web framework for perfectionists with deadlines.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:303 reviews, 34 PRs, 399 comments in 1 year
Contributions summary:Bendegúz primarily contributed to the Django web framework, focusing on database-related improvements and bug fixes. They implemented tuple lookups, added support for composite primary keys, and addressed several issues, including crashes related to `In` lookups and the incorrect handling of `TupleIsNull`. They also refactored code and improved test coverage for tuple lookups. Their work primarily involved modifying core Django model components and database query functionalities.
pythondjango-frameworkappsdjangoframework
csirmazbendeguz/django
Mar 2024 - Jan 2025
The Web framework for perfectionists with deadlines.
Contributions:13 reviews, 19 PRs, 731 pushes in 10 months
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