Calvin Kirs
Architect at The Apache Software Foundation
Kowloon, Hong Kong, China
Summary
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RockstarCalvin Kirs is an architect and seasoned back-end engineer with seven years of experience, currently shaping system design at SelectDB from Kowloon, Hong Kong. An active Apache Software Foundation member and PMC participant (Geode and Incubator), he brings deep open-source stewardship to large-scale analytics and data orchestration projects. His hands-on contributions to flagship projects like Apache Doris, DolphinScheduler, and SeaTunnel focus on dependency and build-system resiliency, performance tuning, and testable microbenchmarks—work that keeps critical distributed data systems secure and up-to-date. He pairs backend expertise with practical front-end and documentation work, having improved websites and docs to boost usability and onboarding. Known for meticulous code hygiene (license and link fixes) and resolving subtle compatibility issues across Java, Hadoop, and Hive ecosystems, he reliably reduces maintenance burden while enabling feature velocity.
7 years of coding experience
Github Skills (37)
dependency-management10
markdown10
apache-doris10
javascript10
licensing10
website-development10
key-management10
build-system10
hadoop10
java10
scheduler10
javas10
manage10
sched10
markdown-it10
Programming languages (12)
Github contributions (5)
apache/seatunnel-website
Dec 2021 - Jan 2023
Apache SeaTunnel documents
Role in this project:
Front-end Developer
Front-end DeveloperContributions:94 reviews, 339 commits, 130 PRs in 1 year 1 month
Contributions summary:Calvin primarily contributed to the website's front-end development. They updated the team page by modifying its structure and content, likely involving component adjustments and data integration. They also updated the home page and download page, and fixed the link errors. These commits suggest the user is proficient in updating the site's content and integrating the different parts.
seatunnelapachebig-datanetwork-serverjava
apache/dolphinscheduler
May 2020 - Jun 2022
Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code
Role in this project:Back-end Developer
Back-end DeveloperContributions:4 releases, 903 reviews, 318 commits in 2 years 1 month
Contributions summary:Calvin made significant contributions to the Apache DolphinScheduler project by modifying existing methods and optimizing code related to enumerated values, indicating a focus on improving the project's performance and maintainability. Furthermore, the user implemented the addition of a MicroBenchMark model including the addition of unit tests. Also, the user focused on fixing several bugs related to test errors.
dependenciesuser-interfacepipelineorchestrationdata-workflow
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