Derrik Petrin
Software Engineer at Wizards of the Coast
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolDerrik Petrin is a software engineer with 11 years of experience, currently building the rule compiler and game engine for Magic: The Gathering Arena at Wizards of the Coast. He combines a strong systems and compiler background—reinforced by graduate coursework in distributed systems, compilers, PLs, and NLP—with practical ML and cloud experience (Python, TypeScript, C++, PyTorch, AWS, Elasticsearch). Previously he accelerated data pipelines and search at a startup by optimizing Elasticsearch indices and parallelizing S3 workflows to cut reindexing from a week to a day, and has deep integration and enterprise HCM expertise from consulting. Trained originally in molecular biophysics and biochemistry (Yale) and with an MS in Computer Science from UW, he brings cross-domain curiosity and a knack for translating complex domain rules into reliable, testable software. Notably, he applies NLP and compiler techniques to automatically encode game rules from natural-language card text—a unique blend of language tech and formal systems.
11 years of coding experience
1 year of employment as a software developer
Master of Science - MS, Computer Science & Engineering, Master of Science - MS, Computer Science & Engineering at University of WashingtonInternational BaccalaureateBachelor of Science - BS, Molecular Biophysics & Biochemistry, Bachelor of Science - BS, Molecular Biophysics & Biochemistry at Yale University
English, Spanish, Hungarian
Github Skills (29)
emacs-lisp9
emacs9
vim9
shell8
emacs-lsp8
melpa8
user-friendly7
python7
rust6
cli6
adapter6
debug6
elisp5
swift5
command-line5
Programming languages (4)
Github contributions (5)
dfpetrin/gym-locm
Mar 2022 - Nov 2022
OpenAI Gym environments for Legends of Code and Magic, a collectible card game designed for AI research
Contributions:38 pushes, 13 branches, 1 tag in 8 months
gym-environmentsmagicreinforcement-learninglegendslegends-of-code-and-magic
dfpetrin/iterm2-auto-transparency-toggle
Oct 2022 - Feb 2023
Contributions:6 commits, 14 pushes, 1 branch in 4 months
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