Stefan Countryman
Software Engineer at Columbia University Physics Department
New York, New York, United States
Summary
👤
SeniorStefan Countryman is a Lead Full Stack Engineer in New York with 11 years of software experience and a Ph.D. in Physics, blending academic rigor with hands-on product delivery. He built low-latency, cloud-native pipelines and tooling for multimessenger astronomy that contributed to LIGO-era discoveries and invented a provisional patent-pending dynamic perfect hash table used to accelerate compute by orders of magnitude. At startups he shipped React/Django features, instituted organization-wide feature flags, and created infrastructure tools (ECShell) that saved developer hours while improving reliability for customer-facing admin systems. Comfortable across Python, C, Rust, SQL and cloud platforms, he pairs deep algorithmic thinking with strong documentation, mentoring, and cross-functional collaboration. An entrepreneur and educator at heart, he routinely translates complex scientific and technical ideas for audiences ranging from middle schoolers to CEOs.
11 years of coding experience
Stackoverflow
7reputation
0reached
1answer
0questions
Github Skills (52)
cytoscape9
python9
command-line9
ports9
jupyter-widget9
macos9
jupyter-notebook8
file-manager8
gitlab8
webscraping8
instagram8
apl7
macports7
data-mining7
vim7
Programming languages (8)
Github contributions (5)
stefco/geco_stat
Jan 2016 - Mar 2016
Contributions:128 commits, 24 PRs, 96 pushes in 1 month
stefco/llama-env
Jul 2019 - Nov 2022
Contributions:156 pushes, 1 branch, 127 tags in 3 years 4 months
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.