Kamil Breguła
Senior Software Engineer at Snowflakedb
Warsaw, Masovian Voivodeship, Poland
Summary
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RockstarKamil Breguła is a Senior Software Engineer based in Warsaw with 26 years of hands-on experience building backend and DevOps-focused systems, currently contributing at Snowflake and as an Apache Airflow PMC member and committer. He blends deep cloud-native expertise—particularly with Google Cloud and Dataflow integrations in Airflow—with a practical focus on reliable infrastructure, code quality, and testing. His open-source work spans improving core libraries like openapi-core and polishing documentation for google-cloud-python, reflecting both developer ergonomics and production-readiness. Colleagues rely on him for thoughtfully implemented features (e.g., Dataflow virtual environment support) and for raising the bar on code style and testing. He pairs long-term institutional knowledge with attention to detail that shows up in both code and documentation.
26 years of coding experience
Stackoverflow
541reputation
43kreached
11answers
0questions
airflow
top-5%
Github Skills (31)
apache-airflow10
restructuredtext10
pytest10
python10
django10
rs10
google-cloud-dataflow10
api-documentation10
openapi10
documentation10
testing9
cicd9
airflow9
python-lib9
automated-tests9
Programming languages (26)
Github contributions (5)
apache/airflow
Dec 2018 - Jan 2023
Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:2321 reviews, 1898 PRs, 906 pushes in 4 years 2 months
Contributions summary:Kamil's commits focused on implementing features for Dataflow processing in Apache Airflow, specifically by adding options to run Dataflow jobs within virtual environments. This work involved modifications to the GCP Dataflow hook, along with testing and utility functions to support the new features. Additionally, the user contributed to the standardization and improvement of the overall infrastructure, including a focus on setting up and managing the code style checks.
monitorpythonschedulerapacheprogrammatically
python-openapi/openapi-core
May 2021 - Jul 2021
Openapi-core is a Python library that adds client-side and server-side support for the OpenAPI v3.0 and OpenAPI v3.1 specification.
Role in this project:Backend Developer
Backend DeveloperContributions:5 reviews, 9 commits, 7 PRs in 1 month
Contributions summary:Kamil primarily contributed to improving the `openapi-core` library by addressing formatting issues, adding support for regular expression paths in the Django integration, and enforcing code syntax. They made iterative improvements through fixup commits. Their work included modifications to Django-specific request handling and documentation updates, with efforts focused on tests and exceptions, revealing a focus on core functionality.
python-libraryapipythonoasserver
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