Patrick Doyle
Principal Software Engineer at Elastic
Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolPatrick Doyle is a Principal Software Engineer in Toronto with 11 years of recent experience and a long track record designing high-performance systems dating back to compiler work in the early 2000s. He combines deep systems and back-end expertise—evident from contributions to the core of Elasticsearch, including thread pool and plugin service changes—with leadership experience as Director of Engineering and Distinguished Developer at Vena Solutions. Comfortable in both hands-on coding and technical leadership, he has led optimizer and x86 JIT compiler teams at IBM and now applies that low-level performance mindset to distributed search and enterprise software. Patrick holds BASc and MASc degrees in Computer Engineering from the University of Toronto and is known for stabilizing complex systems by reverting risky changes as much as adding new functionality. He’s equally at home debugging file- and thread-level issues as he is setting architecture and mentoring engineering teams.
11 years of coding experience
29 years of employment as a software developer
MASc Computer Engineering, MASc Computer Engineering at University of Toronto
Github Skills (10)
javas10
elasticsearch10
elasticsearchquery10
search-engine10
aws-elasticsearch10
multithreading10
java10
elasticsearch-api10
amazon-elasticsearch10
plugin-development9
Programming languages (10)
Github contributions (5)
elastic/elasticsearch
May 2024 - Apr 2025
Free and Open Source, Distributed, RESTful Search Engine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:498 reviews, 262 PRs, 76 pushes in 10 months
Contributions summary:Patrick primarily contributed to the core functionalities of the Elasticsearch search engine. Their work included adding new thread pool types and modifying plugins service configurations, which are crucial for the server's performance. They also reverted a previous change to the plugins service, which suggests they are involved in resolving issues and maintaining stability within the system. Furthermore, the contributions involve file-related operations, which further implies their deep understanding of system-level processes.
restfulsearch-engineopensearchelasticsearchjava
prdoyle/bosk
Nov 2022 - Jun 2023
Contributions:2 PRs, 40 pushes, 9 branches in 6 months
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