Timothy Heys
Community Member at 2hearts
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolTimothy Heys is a seasoned software leader with 13 years of experience building scalable backend systems, developer tooling, and ML production platforms, currently based in Berlin. At KAYAK he moved between hands-on architect and engineering manager roles, leading teams that built Bazel-powered build systems, CI/CD pipelines, and an automated deployment platform serving hundreds of production ML models and billions of daily requests. He founded and contributed to PyPika, an open-source Python SQL query builder, and improved its documentation and analytic function support—work that reflects his attention to developer experience and data tooling. Now active in the 2hearts community, he blends technical depth with a passion for inclusive, immigrant-driven tech ecosystems. Notably, his background includes operational rigor from Navy Reserve deployments and a track record of replacing heavyweight BI tooling with bespoke, widely adopted internal visualization platforms.
13 years of coding experience
14 years of employment as a software developer
Bachelor of Science Computer Engineering Technology, Bachelor of Science Computer Engineering Technology at DeVry UniversityN/A Computer Science Transfer, N/A Computer Science Transfer at Anne Arundel Community College
German, English, Polish
Github Skills (4)
documentation10
sql10
python10
unit-testing9
Programming languages (7)
Github contributions (5)
kayak/pypika
Jul 2016 - Apr 2020
PyPika is a python SQL query builder that exposes the full richness of the SQL language using a syntax that reflects the resulting query. PyPika excels at all sorts of SQL queries but is especially useful for data analysis.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:490 commits, 239 PRs, 385 pushes in 3 years 10 months
Contributions summary:Timothy focused on enhancing the documentation for the PyPika library, reorganizing its structure and adding detailed examples. They restructured the documentation, including installation instructions, getting started guides, and API references. Additionally, they added features such as supporting the use of analytic functions and the inclusion of more helpful test cases.
pythondatasqlitepython3database
twheys/awesome-python
Aug 2017 - Oct 2019
A curated list of awesome Python frameworks, libraries, software and resources
Contributions:2 PRs, 4 pushes, 1 branch in 2 years 2 months
python-frameworkspythonpelicanframeworksutilities
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