Ilan Schnell
Principal Software Engineer at Stealth Startup
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolIlan Schnell is a Principal Software Engineer with 13 years of professional experience and a Ph.D. in Physics, now based in Austin, Texas. He is the original author of key Python packaging and utility projects—most notably creating the Anaconda Distribution and core tools like conda, conda-build, constructor, and bitarray—shaping how Python environments are built and distributed for data scientists. Ilan combines deep systems-level expertise in C and Python with strong build, release and test automation skills, evidenced by sustained contributions to projects such as pip, numba, and numerous conda-related repositories. He has a proven track record of shipping robust cross-platform installer and packaging solutions and improving testing infrastructure that makes developer workflows more reliable. Currently a principal at a stealth startup after a multi-year fellowship at Quansight, he brings rare institutional memory of the Python packaging ecosystem alongside hands-on implementation ability. An uncommon strength is his blend of scientific training and production engineering, enabling pragmatic, low-level optimizations that scale in real-world distribution systems.
13 years of coding experience
5 years of employment as a software developer
Ph.D. Physics, Ph.D. Physics at University of Bremen
Stackoverflow
61reputation
16kreached
1answer
0questions
Github Skills (49)
git10
bokeh10
pytest10
bit-manipulation10
python10
package-management10
testing10
windows10
memory-management10
bash10
conda10
c1110
functional-testing10
numpy10
c1710
Programming languages (12)
Github contributions (5)
ilanschnell/bitarray
Jan 2013 - Jan 2023
efficient arrays of booleans for Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 2480 commits, 120 PRs in 10 years 1 month
Contributions summary:Ilan appears to be primarily involved in maintaining and improving the `bitarray` library, focusing on its C implementation. Their contributions include fixing format string issues, refactoring and simplifying C code, enhancing error handling, and optimizing various methods. The commits suggest a deep understanding of the library's internals, memory management, and its interaction with the Python runtime.
pythonarraysbooleans
conda/constructor
Jun 2014 - Aug 2017
tool for creating installers from conda packages
Role in this project:Backend Developer
Backend DeveloperContributions:366 commits, 18 PRs, 361 pushes in 3 years 2 months
Contributions summary:Ilan primarily contributed to the `conda/constructor` repository by refactoring and improving the build process for conda packages. Their work involved renaming Python packages, updating command-line names, and modifying the installer's structure. Furthermore, they added features for image handling, license management, and implemented better error handling within the Unix and Windows installers, demonstrating a deep understanding of the underlying build system.
conda-packagesmambacondainstallers
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