Savannah Ostrowski

Seattle, Washington, United States

Join Prog.AI to see contacts

Summary

🤩

Rockstar

Savannah Ostrowski is a seasoned CPython core developer and Release Manager for Python 3.16 and 3.17 with 11 years of engineering experience, based in Seattle. As a member of the Python Steering Council and a backend contributor at FastAPI Labs, she blends project stewardship with deep technical contributions to the language itself. Her work on the JIT compiler, argument parser fixes, and removing LLVM dependency demonstrates a rare combination of performance-focused systems programming and cross-platform build/tooling expertise. She also maintains and authors PEP documentation, ensuring that design decisions are both technically sound and clearly communicated to the community. Known for quietly tackling thorny build and documentation issues, she helps keep the Python ecosystem robust for millions of users and downstream projects.

11 years of coding experience

Stackoverflow

Stats

151reputation

25kreached

1answer

0questions

Github Skills (15)

pep10

jit10

argument-parsing10

python10

compile10

documentation10

llvm10

c119

performance-optimization9

c179

build-system8

visual-studio-code6

pylance6

githubaction-workflow5

github-ci5

Programming languages (19)

C#PowerShellJavaCSSC++RustMakefileGo

Github contributions (5)

python/cpython

Feb 2021 - Mar 2025

The Python programming language

Role in this project:

Back-end Developer

Contributions:184 reviews, 69 PRs, 5 pushes in 4 years 1 month

Contributions summary:Savannah contributed to the Python core, specifically focusing on the JIT (Just-In-Time) compiler and the argument parser. They implemented optimizations for constant comparisons within the JIT, and modified the code to update JIT-related features and include LLVM version 19. The user also fixed a bug with the argument parser. Furthermore, the user addressed several build and documentation issues related to the JIT and argument parser.

python-programmingprogramming-languagepythonpython-programming-language

python/peps

Jun 2024 - Apr 2025

Python Enhancement Proposals

Role in this project:

Back-end Developer & Technical Writer

Contributions:8 reviews, 11 PRs, 1 push in 9 months

Contributions summary:Savannah primarily contributed to Python Enhancement Proposals (PEPs), focusing on the JIT compilation feature for CPython. Their work involved updating PEP documentation, fixing typos, updating author information, and adding post-history information. They also contributed to the removal of the LLVM dependency for JIT builds, which included creating and managing stencil files for various platforms.

python310pythonenhancementproposalspython-3

Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.

Request Free Trial