John Stilley
Senior Software Engineer at TerraPower LLC
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolJohn Stilley is a Senior Software Engineer with 12 years of experience applying scientific rigor to complex software problems, currently focused on nuclear reactor modeling at TerraPower in Seattle. He blends a physics and environmental-engineering background with production software delivery, having led algorithms teams for critical medical analysis tools in the ICU and contributed to emissions and atmospheric modeling earlier in his career. An "eternal student," he pairs hands-on backend development with clear technical writing—evidenced by gameplay fixes in the Dungeon Crawl project and documentation improvements to NumPy. Comfortable in both research and product contexts, he excels at turning domain expertise into reliable, user-focused software for safety-critical systems.
12 years of coding experience
13 years of employment as a software developer
Bachelor of Science (BS), Physics, Bachelor of Science (BS), Physics at The University of Texas at AustinMaster of Science (MS), Physics, Master of Science (MS), Physics at UC Davis
Stackoverflow
6,417reputation
1.0mreached
82answers
24questions
algorithm
top-5%
python
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datetime
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logic
top-5%
Github Skills (18)
c-language10
gameplay10
mechanics10
game-development10
cprogramming-language10
documentation10
algorithm9
datetime9
numpy9
python9
logic9
maze6
fileio6
functional-programming6
fortran6
Programming languages (13)
Github contributions (5)
numpy/numpy
Sep 2019 - Mar 2025
The fundamental package for scientific computing with Python.
Role in this project:
Technical Writer
Technical WriterContributions:13 reviews, 3 PRs, 21 comments in 5 years 7 months
Contributions summary:John's contributions primarily focused on documentation updates within the NumPy repository. Their work included fixing spelling errors, rewording error messages, adding release notes, and modifying changelog entries. The edits focused on enhancing clarity, correcting inaccuracies, and providing more helpful information to users of the NumPy library.
pythonscientific-computingnumpy
crawl/crawl
Sep 2019 - Feb 2020
Dungeon Crawl: Stone Soup official repository
Role in this project:Back-end Developer
Back-end DeveloperContributions:27 commits, 23 PRs, 50 comments in 5 months
Contributions summary:John primarily focused on refining gameplay mechanics and fixing minor issues within the Dungeon Crawl: Stone Soup game. Their contributions include correcting text, adjusting prompts for user actions, and removing unwanted game elements from specific starting conditions. The code changes suggest that they are familiar with the game's codebase, as evidenced by their adjustments to source files related to abilities, combat, and item initialization. This developer demonstrates a focus on gameplay quality and user experience.
dungeonstonerpgroguelikedungeon-crawl-stone-soup
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