Perry Greenfield
Consulting Computer Scientist at Space Telescope Science Institute
Baltimore, Maryland, United States
Summary
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RockstarPerry Greenfield is a Consulting Computer Scientist based in Baltimore with 27 years of software engineering experience, currently supporting the Space Telescope Science Institute. He brings deep backend expertise, demonstrated by contributions to the widely used astropy astrophysics library where he refactored and modernized the units module to improve modularity and documentation. Perry combines scientific-domain awareness with disciplined engineering practices, making complex astronomy codebases more maintainable and reusable. He favors pragmatic refactors that remove obsolete abstractions and clarify intent, an approach that benefits both researchers and downstream applications. Colleagues value him for steady, long-term stewardship of critical scientific software and an ability to translate domain needs into robust code improvements.
27 years of coding experience
Github Skills (6)
astropy10
units-of-measurement10
python10
astrophysics10
astronomy10
documentation7
Programming languages (8)
Github contributions (5)
astropy/astropy
Jan 2012 - Oct 2021
Astronomy and astrophysics core library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:56 reviews, 160 commits, 33 PRs in 9 years 11 months
Contributions summary:Perry's commits primarily focused on refactoring and improving the `astropy/units` module. The changes include renaming functions, removing obsolete classes and improving documentation with the aim of improving the modularity of the existing unit framework. These changes show an intent to improve the codebase for astronomy-related applications.
astrologypythonscienceastrophysicsastrodynamics
perrygreenfield/roman_datamodels
Apr 2021 - Apr 2025
Contributions:45 pushes, 14 branches in 3 years 11 months
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