Jonathan Kuleff
Founding Engineer at Optimaze
Sydney, New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolJonathan Kuleff is a founding engineer and seasoned full-stack .NET developer based in Sydney with 11 years of professional experience and a long history of hands-on engineering stretching back to volunteer game-engine work. He combines backend, DevOps, and database administration expertise with a formal focus on machine learning from UNSW, bringing a practical interest in AI/ML to web-native architectures. At Rokt he progressed from senior engineer to managing SRE, security and platform teams, and now applies that operational plus product mindset to early-stage building at Optimaze. Jonathan is an active open-source contributor who adapted the widely used Cake build system for modern .NET tooling, improving cross-platform build automation and package workflows. He’s comfortable shipping end-to-end systems—from CI/CD and cloud deployments to scalable APIs—and often surfaces uncommon insights from his game-design and ML background when solving system and team problems.
11 years of coding experience
20 years of employment as a software developer
Bachelor of Engineering/Diploma in Engineering Practice Software, Bachelor of Engineering/Diploma in Engineering Practice Software at University of Technology SydneyUNSW Sydney
Github Skills (12)
netcore10
dotnet-new10
dotnet10
build-tools10
cakephp10
csharp10
build-automation10
dotnet-core10
msbuild9
nuget9
unit-testing8
continuous-integration8
Programming languages (10)
Github contributions (5)
cake-build/cake
Mar 2017 - Jul 2017
:cake: Cake (C# Make) is a cross platform build automation system.
Role in this project:
Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:13 commits, 13 PRs, 36 comments in 3 months
Contributions summary:Jonathan's contributions centered around updating and adapting the Cake build automation system to integrate with newer versions of .NET Core tooling. The commits involved modifying existing tools and settings within the Cake framework to align with Tooling v1.0. Furthermore, the user added support for new functionalities like cleaning, NuGet package operations, and MSBuild integration within the framework. These changes improved the system's compatibility and extended its capabilities.
cake-buildbuild-automation-toolc-sharpdotnetcorenunit
JonCubed/docker-jenkins-jnlp-slave-windows
Aug 2017 - Dec 2018
Jenkins JNLP Slaves as Windows Container
Contributions:7 commits, 1 PR, 9 pushes in 1 year 4 months
jenkinswindowsjnlpwindows-containerslaves
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