Oleg Höfling
Senior Software Engineer at IONOS
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolOleg Höfling is a Senior Software Engineer based in Berlin with 11 years of experience building backend systems, improving developer tooling, and leading full-stack projects across Python, TypeScript and Rust. At IONOS and prior roles he combined hands-on development with DevOps and CI/CD ownership, migrating infrastructures and introducing agile processes for more reliable delivery. He is an active open-source contributor focused on type safety, testing, and documentation—having improved popular projects like Sphinx, pytest/pluggy, mypy, Selenium and cryptography. His work often blends code changes with precise documentation and typing improvements, a pattern that surfaced in typeshed and stubgen contributions that strengthen static analysis across the Python ecosystem. Colleagues rely on him for pragmatic refactors and test-driven quality improvements, and his academic background in applied mathematics underpins a methodical approach to complex engineering problems.
11 years of coding experience
11 years of employment as a software developer
Diplom, Angewandte Mathematik, 1.7, Diplom, Angewandte Mathematik, 1.7 at Technische Universität Berlin
German, English, Russian
Stackoverflow
62,875reputation
5.2mreached
704answers
29questions
package
top-5%
selenium
top-5%
logging
top-1%
pycharm
top-5%
automated-tests
top-5%
pytest
top-1%
Github Skills (71)
restructuredtext10
python10
testing10
pip10
hook10
stubs10
mypy10
rs10
implicit-typing10
optional-typing10
wordpress-graphql10
rust10
sphinx10
dynamic-typing10
selenium-ide10
Programming languages (12)
Github contributions (5)
python/typeshed
Jan 2020 - Jun 2022
Collection of library stubs for Python, with static types
Role in this project:
Back-end Developer
Back-end DeveloperContributions:26 reviews, 24 commits, 30 PRs in 2 years 4 months
Contributions summary:Oleg's contributions center on adding and refining type stubs for the Python typing ecosystem within the `python/typeshed` repository. They primarily focus on providing type hints for the `asyncio` and `PyYAML` modules, covering various aspects such as `asyncio.unix_events`, `yaml.error`, `yaml.nodes`, and `yaml.representer`. Furthermore, the user made changes related to `functools` and `inspect` modules. These changes involve adding and adjusting type definitions to improve code analysis and facilitate static typing.
mypystatic-typingpythonstubtypechecker
pytest-dev/pluggy
Sep 2019 - Aug 2021
A minimalist production ready plugin system
Role in this project:Technical Writer
Technical WriterContributions:5 commits, 5 PRs, 8 comments in 1 year 11 months
Contributions summary:Oleg primarily contributed to the project by improving and updating the documentation. Their commits focused on fixing broken links, adding missing cross-references, and updating the documentation to reflect changes in the project. Additionally, they corrected internal references and improved the formatting of the documentation. The changes involved cross-referencing and updating links, enhancing the clarity and usability of the project's documentation.
pythonminimalistproduction-readyplugin-systemplugin
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