Thomas Wimmer
Python Developer at IMS Nanofabrication GmbH
Vienna, Austria
Summary
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RockstarThomas Wimmer is a seasoned Python developer and architect based in Vienna with 26 years of professional experience and a strong track record in backend engineering and test automation. He contributes to high-profile open-source projects—matplotlib, pylint, pytest, sympy and autopep8—focusing on code quality, tooling ergonomics, and numerical library enhancements. His work blends pragmatic bug fixes, style and test-suite improvements, and feature implementations such as stdin handling in pylint and spherical Bessel functions in SymPy. Comfortable across linters, testing frameworks, and scientific computing, he brings a disciplined, QA-minded approach that reduces regressions and hard-to-detect bugs. Notably, he has improved developer experience in editor tooling (Emacs dumb-jump) and resolved subtle lexical-scope and subprocess-related issues, showing attention to both user-facing and low-level runtime concerns. Thomas pairs deep Python expertise with a long-standing commitment to maintainability and robust automated testing.
26 years of coding experience
Github Skills (31)
data-visualizations10
unit-testing10
static-code-analysis10
computer-algebra10
pytest10
python10
matplotlib10
testing10
mathematics10
data-visualisation10
math10
plot10
emacs-lisp10
pep10
emacs10
Programming languages (13)
Github contributions (5)
matplotlib/matplotlib
Nov 2013 - Dec 2018
matplotlib: plotting with Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:83 commits, 2 PRs, 45 comments in 5 years 2 months
Contributions summary:Thomas's commits primarily focused on code style improvements within example animation files. Specifically, they pep8ified example files related to animation functionality, including subplots, double pendulum animation, rain, 3D animations, histograms, and basic animation writing. The commits suggest a focus on code maintainability and adherence to style guidelines within the matplotlib library.
pythondata-sciencegtkdata-visualizationplotting
jacktasia/dumb-jump
Feb 2019 - Aug 2020
an Emacs "jump to definition" package for 50+ languages
Role in this project:Backend Developer
Backend DeveloperContributions:6 commits, 6 PRs, 18 comments in 1 year 6 months
Contributions summary:Thomas primarily focused on improving the `dumb-jump` Emacs package. Their contributions included fixing bugs, enhancing the debug macro functionality to provide more information during runtime, and resolving warnings related to the lexical scope. They also addressed a regression bug in the file modification check, ensuring that the package's core features continued to function correctly. The user also updated and fixed unused lexical arguments warnings in the code base.
jumpelispripgrepspacemacsdeveloper-tools
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