Patrick Hayes
Chief Technology Officer at OcuDigital Technologies Inc
Courtenay, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolPatrick Hayes is a seasoned CTO and principal engineer with 15 years of experience designing and delivering secure, production-grade software across GIS, voting systems, and cryptography. He marries hands-on polyglot development—favoring Rust and Vue—with pragmatic technical leadership, having led teams at Stanford Libraries, HighWire, Votem, and his own companies. An active open-source maintainer, his contributions include meaningful work on the widely used RustCrypto RSA implementation and foundational geometry tooling in geoPHP, signaling deep expertise in both low-level crypto and spatial algorithms. He is skilled at marshaling engineering teams to meet complex, audit-focused requirements on schedule and translating research-grade problems into maintainable code. Based in Courtenay, BC, he combines an economics background with a rare mix of product-minded systems thinking and cryptographic rigor that suits regulated, security-sensitive domains.
15 years of coding experience
6 years of employment as a software developer
BSc, Economics, BSc, Economics at University of Victoria
Stackoverflow
1,490reputation
96kreached
8answers
1question
linux
top-5%
Github Skills (23)
algorithm10
algorithms10
data-structure10
rsa10
php10
geometric-algorithms10
cryptography10
data-structures10
rust10
geom10
back-end-development9
security9
linux9
bigint8
bignum8
Programming languages (13)
Github contributions (5)
phayes/geoPHP
Mar 2011 - Mar 2016
Advanced geometry operations in PHP
Role in this project:
Back-end Developer
Back-end DeveloperContributions:297 commits, 5 PRs, 15 pushes in 5 years
Contributions summary:Patrick's primary contribution was the addition of geometry operations in PHP, with a focus on the development of core functionality for geometric calculations. They implemented several functions to address different geometric problems, including point-in-polygon detection, centroid calculation, and area determination. The commits also included an initial shapefile importer to allow importing shapefile data into a PHP application, further extending the library's capabilities. Additional commits involved restructuring and documenting the project's core modules to improve maintainability.
phpgeometry
RustCrypto/RSA
Mar 2019 - Mar 2019
RSA implementation in pure Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits, 7 PRs, 11 comments in 9 days
Contributions summary:Patrick primarily focused on implementing and refining RSA-related functionalities within the `rustcrypto/rsa` repository, a pure Rust implementation of RSA. They refactored the code, splitting blind and unblind operations into distinct functions, and exposed raw RSA functions through an `internals` module. The user also added the `to_public_key` method and updated dependencies, contributing to the library's overall structure and usability. Their contributions suggest a deep understanding of cryptographic principles and efficient code design in Rust.
rustcryptographypure-rustrsa
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