Jari Koopman
Fractional CTO at LotU B.V.
Heino, Overijssel, Netherlands
Summary
🤩
RockstarJari Koopman is a Fractional CTO and seasoned software professional with a decade of experience building backend systems, live broadcast tooling, and esports production technology from the Netherlands. He combines hands‑on engineering—demonstrated by notable contributions to the Vapor server-side Swift framework, including routing, security patches, and Swift‑Metrics integration—with leadership roles at LotU B.V. and Night Shift Productions. As a longtime freelance esports producer, director and observer he blends real‑time operational discipline with software delivery, ensuring systems work under pressure. A two‑time WWDC scholarship recipient, he brings both platform-level code fluency and a creative, event-driven mindset to technical strategy. Notably, his open-source work on a prominent Swift web framework shows he still prefers shipping code as much as shaping roadmaps.
10 years of coding experience
Stackoverflow
36reputation
5kreached
2answers
0questions
Github Skills (11)
nio10
server-side-swift10
url-routing10
http10
swift10
vapor10
metric10
testing8
ios6
swiftui-list6
swiftui6
Programming languages (13)
Github contributions (5)
vapor/vapor
May 2018 - Aug 2021
💧 A server-side Swift HTTP web framework.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 13 reviews, 26 commits in 3 years 2 months
Contributions summary:Jari primarily focused on modifying and updating the `EngineRouter.swift` file, indicating work related to the application's routing functionality. They made changes to the `ApplicationResponder` to facilitate a public initializer and incorporated updates to the routing system including implementing Swift-Metrics. Additionally, the user addressed a security vulnerability in NIO by patching the package dependencies. Their work also involved merging branches, and updates to the testing framework.
http2frameworkswift-nioswiftserver-side
MrLotU/SwiftHooks
Apr 2019 - Oct 2020
Event driven programming in Swift
Contributions:8 releases, 43 commits, 12 PRs in 1 year 6 months
swiftevent-driven-programmingfunctional-programmingevent-driven
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