Andrew Duffy
Staff Engineer at Spiral
Washington, District of Columbia, United States
Summary
🤩
Rockstar🎓
Top SchoolAndrew Duffy is a Staff Engineer with 12 years of experience building data-intensive systems and developer-facing infrastructure, currently working on Vortex, a next-generation storage engine at Spiral. A Stanford CS graduate and former Palantir engineer, he has led the design and delivery of self-service stream processing products, maintained a production fork of Apache Spark, and partnered with BD and customers on technical roadmaps. He co-founded Intrinsic Labs and contributes to open source—extending shelljs with robust file-manipulation primitives—demonstrating a knack for practical tooling improvements. Based in Washington, D.C., he blends systems-level performance work with product thinking and a track record of shipping resilient, production-grade distributed systems.
12 years of coding experience
7 years of employment as a software developer
Master of Science (MS) Computer Science, Master of Science (MS) Computer Science at Stanford University
Stackoverflow
308reputation
80kreached
4answers
3questions
Github Skills (15)
filesystem10
javascript10
nodejs10
shell10
file-operations10
fileio10
testing9
bash9
debugging6
gdb6
typescript6
google-chrome6
regex6
checkbox6
breakpoints6
Programming languages (16)
Github contributions (5)
shelljs/shelljs
Aug 2013 - Aug 2013
:shell: Portable Unix shell commands for Node.js
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits in 1 day
Contributions summary:Andrew focused on extending the functionality of the shelljs library by implementing and refactoring commands related to file manipulation. They introduced `appendTo` (later renamed to `toEnd`) to allow appending to files, wrote tests to validate the function's behavior, and subsequently updated and corrected the code. The user’s work involved modifying core files, tests, and the shell.js file where the newly created function was called.
unixcmdnode-jsjavascriptunix-shell
IntrinsicLabsAI/gbnfgen
Aug 2023 - Apr 2024
TypeScript generator for llama.cpp Grammar directly from TypeScript interfaces
Contributions:11 releases, 2 reviews, 30 PRs in 8 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.