Caleb Herbel
Software Engineer at protectai
Seattle, Washington, United States
Summary
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RockstarCaleb Herbel is a software engineer in Seattle with eight years of experience building secure, production-ready tools—currently focused on AI security at ProtectAI. He brings strong backend expertise, evidenced by notable contributions to Apache AsterixDB where he implemented and optimized interval joins, extended range map support for date/time types, and refactored merge-join logic for better performance. Comfortable tackling core data infrastructure problems, he pairs algorithmic thinking with pragmatic engineering to ship reliable features and fixes. Caleb’s work sits at the intersection of data systems and security, and he’s equally at home diving into optimizer/runtime tests as he is in hardening tools for AI deployment.
8 years of coding experience
Github Skills (11)
asterixdb10
javas10
aster10
asterix10
java10
testing9
data-structure9
sql9
algorithm9
data-structures9
algorithms9
Programming languages (8)
Github contributions (5)
apache/asterixdb
Feb 2020 - Aug 2020
Mirror of Apache AsterixDB
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits in 6 months
Contributions summary:Caleb primarily focused on adding and optimizing interval join functionalities within the AsterixDB project. Their contributions included implementing optimized interval joins, adding support for range hints, and refactoring existing merge join logic to use a cursor-based approach. They also worked on extending the range map builder to support date, time, and datetime datatypes, expanding the data types supported. Furthermore, the user added and enhanced runtime and optimizer tests for interval joins and addressed several bug fixes.
dbmsparquetasterixdbolapapache
wwu-cptr220-a20/project-cherbel
Oct 2020 - Nov 2020
project-cherbel created by GitHub Classroom
Contributions:1 release, 11 PRs, 108 pushes in 1 month
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