Matthew Ratzke
Staff Product Manager at Apollo GraphQL
Calgary, Alberta, Canada
Summary
🤩
Rockstar🎓
Top SchoolMatthew Ratzke is a Staff Product Manager and entrepreneur with 11 years of experience building developer-focused platforms and regulated industry software from Calgary. He combines deep GraphQL expertise from his leadership roles at Apollo with hands-on engineering—maintaining and modernizing core Clojure build tooling and 80+ open-source projects through his company Degree9. As technical co-founder of Cannabit Tech he architects compliance-first cloud integrations for the cannabis sector, marrying data sovereignty with EMR, POS and Seed2Sale systems. Matthew is equally comfortable advising enterprise adopters as he is shipping refactors that upgrade Java/Clojure compatibility, reflecting a pragmatic blend of product strategy and low-level technical craft. Known for “mostly code, part human,” he often turns developer pain points into product opportunities and partnerships that scale.
11 years of coding experience
4 years of employment as a software developer
Information Technology, Information Technology at NAIT (Northern Alberta Institute of Technology)
German, English
Github Skills (9)
clojure10
dependency-management10
javas10
tooling10
build-tools10
clojure-cli10
java10
devtools10
maven9
Programming languages (18)
Github contributions (5)
boot-clj/boot
Mar 2017 - Apr 2021
Build tooling for Clojure.
Role in this project:
Backend Developer
Backend DeveloperContributions:1 release, 52 commits, 27 PRs in 4 years 2 months
Contributions summary:Matthew primarily focused on updating and maintaining build tooling for Clojure within the boot-clj/boot repository. Their contributions included updating dependencies, upgrading the Java version to 1.8, removing and restoring aot from projects, and refactoring code related to pod functionality, including adding tools.deps entrypoints and removing a wagon dependency. These changes demonstrate the user's role in improving build processes and ensuring compatibility with newer Java and Clojure versions.
clojuretooling
flyboarder/blaze
Aug 2016 - Sep 2016
Contributions:1920 commits, 38 pushes in 1 month
no-backendblazebackendnodejsblogging
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