Leo Crossman
Software Engineer at Codesmith
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolLeo Crossman is a software engineer with eight years of experience who combines a mathematics background with hands-on work across React, Node, TypeScript, PostgreSQL, MongoDB, Docker, and AWS to build scalable, automated systems. He is the creator of Qache, an open-source, zero-dependency JavaScript caching library that demonstrated a measurable 61% query-time improvement in a demo and includes both LRU and LFU eviction strategies plus a 50+ test Jest suite. Currently at Codesmith in New York, Leo focuses on developer tooling and full-stack performance, and has experience integrating GraphQL and building production-ready caching nodes tailored to different workloads. He’s also contributed to multiple open-source projects, applying secure database practices and reusable SCSS theming in consumer-facing apps. Colleagues note his knack for turning theoretical math discipline into pragmatic, well-tested solutions that speed development and reduce runtime costs.
8 years of coding experience
1 year of employment as a software developer
Bachelor of Arts - BA, Mathematics, Bachelor of Arts - BA, Mathematics at Bates College
Github Skills (11)
server-side9
caching8
multiplayer-game3
nodejs2
vim-plugin2
nutrition1
ssl1
aws1
encryption1
react1
flutter1
Programming languages (3)
Github contributions (5)
leocrossman/dotfiles
Aug 2022 - Nov 2023
Contributions:127 pushes, 3 branches in 1 year 3 months
feed-aggregator/feed-aggregator
Feb 2022 - Feb 2022
Contributions:63 commits, 17 PRs, 31 pushes in 2 days
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