Joe Dekoning
Manager at IBM
Ottawa, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolJoe Dekoning is a technical manager in Ottawa with roughly nine years of documented experience and over two decades in software and release engineering roles at IBM, where he progressed from developer to manager. He blends hands-on back-end and DevOps expertise—demonstrated by platform-specific contributions to high-profile open-source projects like Eclipse OMR and OpenJ9—with leadership of release and service teams. His work shows a deep familiarity with cross-platform build systems and legacy enterprise platforms (notably AIX, z/OS and macOS), plus pragmatic improvements to build automation, error reporting and logging. Colleagues rely on him to navigate complex, low-level JVM and runtime concerns while keeping releases robust and auditable. He pairs technical depth from a computer programming background with a long track record of operationalizing and hardening language runtime toolchains.
9 years of coding experience
22 years of employment as a software developer
Algonquin CollegeAssociate of Arts - AA, Associate of Arts - AA at Ambassador University
Github Skills (29)
c-language10
jvm10
system-configuration10
runtimes10
compile-time10
compilation10
aix10
virtual-machine10
c1110
java10
c1710
javas10
system10
build-automation10
compile10
Programming languages (6)
Github contributions (5)
eclipse-openj9/openj9
Sep 2017 - Nov 2022
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:70 reviews, 98 commits, 114 PRs in 5 years 2 months
Contributions summary:Joe's contributions primarily involved modifying and enhancing the Eclipse OpenJ9 Java Virtual Machine (JVM) codebase. They refactored code, including replacing references to older repository names and incorporating vendor-specific version information. Furthermore, the user implemented platform-specific support for OSX and added features related to error reporting and logging, extending core JVM functionality. Their work also included changes to build processes and dependencies, which also shows a focus on DevOps-related tasks.
runtimecompilerextensionseclipseomr
eclipse-omr/omr
Apr 2017 - Sep 2022
Eclipse OMR™ Cross platform components for building reliable, high performance language runtimes
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:8 reviews, 7 commits, 9 PRs in 5 years 6 months
Contributions summary:Joe's contributions primarily focus on adapting the Eclipse OMR project for various build environments and platforms, with a particular emphasis on AIX and z/OS systems. They addressed linking issues, updated build configurations for different compiler versions and targets, and modified build scripts. The user also removed sensitive information and refactored build configurations.
jitruntimesomrruntimeportability
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