Björn Häuser
Head Of Engineering - Platform & Operations
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolBjörn Häuser is a Head of Engineering for Platform & Operations based in Berlin with 13 years of hands-on experience building and stabilizing backend systems and developer tooling. He leads platform teams at rebuy while remaining an active engineer, contributing to open-source projects such as Jenkins plugins and a Python MySQL replication library where he improved maintainability and subtle data-type handling. His work shows a penchant for practical cleanup and reliability—removing deprecated fingerprinting logic in CI tooling and hardening date/time and boolean mappings in replication code. Comfortable across Java, Groovy and Python ecosystems, he blends operational leadership with code-level fixes that reduce technical debt and improve test coverage. Colleagues value his focus on long-term maintainability and his ability to translate infrastructure needs into pragmatic engineering work.
13 years of coding experience
Bachelor of Science - BS, Information Technology, Bachelor of Science - BS, Information Technology at DHBW Stuttgart
Github Skills (19)
unit-testing10
datetime10
docker10
pytest10
datatypes10
python10
mysql10
datetimes10
dockers10
java10
javas10
dates10
jenkins10
data-handling10
jenkins-ci10
Programming languages (22)
Github contributions (5)
jenkinsci/ghprb-plugin
Jun 2017 - Jan 2022
github pull requests builder plugin for Jenkins
Role in this project:
Back-end Developer
Back-end DeveloperContributions:43 commits, 41 PRs, 47 pushes in 4 years 8 months
Contributions summary:Björn primarily focused on refactoring and improving the `GhprbTrigger` class, a core component of the plugin. Their changes involved removing unnecessary whitespaces, moving a hook creation into a thread pool for improved performance, and incorporating additional code formatting. The user also worked on improving documentation and added a test file, demonstrating a commitment to code quality and maintainability.
jenkinsjenkins-pluginjenkins-api-pluginbuilderplugin-builder
julien-duponchelle/python-mysql-replication
Apr 2013 - Sep 2016
Pure Python Implementation of MySQL replication protocol build on top of PyMYSQL
Role in this project:Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:27 commits, 6 PRs, 6 pushes in 3 years 4 months
Contributions summary:Björn primarily focused on improving the handling of date and time data types within the MySQL replication protocol implementation. Their contributions include bug fixes to address incorrect date/time behavior, addition of tests to validate the correct handling of zero-dates and other edge cases, and enhanced support for `TINYINT(1)` to boolean mapping. The user’s work is crucial for ensuring the accuracy and reliability of the replication process by resolving specific data type-related issues. This involved modifications in both the core replication logic and the test suite.
pythonmysql-replicationmysqlpython-implementationmysql-binlog
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