Yissachar Radcliffe
Staff Software Engineer at Cash App
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolYissachar Radcliffe is a Staff Software Engineer with 12 years of experience building reliable, full-stack systems from enterprise applications to developer tooling. Based in Old Toronto, he currently drives technical work at Cash App after nearly a decade at CaseWare, combining deep Kotlin/Gradle expertise with a business-systems mindset from his B.Com. His open-source contributions include significant enhancements to Cash App’s Zipline project—adding incremental compilation, a static file server with WebSocket hot-reload, and compiler/build integrations—demonstrating an ability to modify compilers and build processes for real-world developer productivity gains. Comfortable bridging product, engineering, and legacy business requirements, he brings a pragmatic focus on incremental improvements that materially reduce developer friction.
12 years of coding experience
9 years of employment as a software developer
B.Com., Spec. Hons. Information Technology, Business Systems Analysis, B.Com., Spec. Hons. Information Technology, Business Systems Analysis at York University
Github Skills (11)
kotlin10
incremental-compiler10
gradlew10
incremental-builds10
compile-time10
compile10
build-automation10
gradle10
websocket9
server-side8
server8
Programming languages (19)
Github contributions (5)
cashapp/zipline
Jul 2022 - Nov 2022
Run Kotlin/JS libraries in Kotlin/JVM and Kotlin/Native programs
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:15 reviews, 22 commits, 13 PRs in 3 months
Contributions summary:Yissachar made significant contributions to the `zipline-gradle-plugin` by implementing incremental compilation support, which involved modifying the compiler and build process. They also added a static file server with websocket capabilities for hot reloading and tested the new features. Furthermore, the user updated the plugin, which demonstrates a strong understanding of Kotlin/JS and Gradle.
kotlin-jskotlinjvmprogramsjava
yissachar/awesome-dart
Aug 2014 - Sep 2021
Contributions:4 reviews, 106 commits, 48 PRs in 7 years 1 month
dartlangdartdart-frameworksflutterframeworks
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