Jeffrey Westerkamp
Senior Frontend Developer at Eaglescience Software
Hoogkarspel, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolJeffrey Westerkamp is a Senior Frontend Developer with 10 years of experience, now extending his craft into full-stack development while leading frontend architecture at Eaglescience Software. He cut his teeth on Laravel and class-oriented design patterns, but finds his true passion in JavaScript/TypeScript and crafting bespoke JS architectures for ambitious projects. A proponent of functional programming, he brings Haskell and Scala experience to web projects, often leveraging Ramda/Sanctuary and a type-driven mindset to improve reliability and expressiveness. Jeffrey balances curiosity with pragmatism—staying current with the evolving JS ecosystem through deliberate R&D and selective adoption of new tools. Based in Hoogkarspel, Netherlands, he pairs multimedia engineering roots with a decade of hands-on delivery across startup and product environments.
10 years of coding experience
9 years of employment as a software developer
Multimedia Engineer, Multimedia Engineer at College of MultiMedia
Dutch, English
Stackoverflow
7,739reputation
591kreached
158answers
6questions
npm
top-5%
typescript
top-5%
rxjs
top-5%
javascript
top-1%
angular
top-5%
Github Skills (76)
jquery-plugin10
event-delegation10
javascript10
notification10
dom-events10
postmessage10
iframe10
delegation10
bower9
jquery9
angular9
widgets9
npm9
rxjs9
scrolling9
Programming languages (6)
Github contributions (5)
JJWesterkamp/rx-postmessenger
Nov 2017 - Aug 2021
Minimal RxJS adapter for the window.postMessage API for request-response streams and notification streams across frame windows.
Contributions:31 commits, 4 PRs, 143 pushes in 3 years 9 months
apieventsrxjswindowsframe
JJWesterkamp/event-delegation
Oct 2018 - Apr 2022
Event delegation for browser DOM events. Flexible, cross-browser compatible and Typescript-focused.
Contributions:64 commits, 2 PRs, 129 pushes in 3 years 6 months
cross-browsereventsbrowser-domdelegationbrowser
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