Sune Simonsen
Senior Staff Engineer at Zendesk
Copenhagen, Capital Region of Denmark
Summary
🤩
Rockstar🎓
Top SchoolSune Simonsen is a Senior Staff Engineer based in Copenhagen with 14 years of broad, hands-on experience delivering production web applications and component libraries, currently shaping Zendesk’s Knowledge product using React, GraphQL and Apollo. He combines a strong algorithmic background and fast-learning curiosity with deep front-end and back-end fluency—contributing to open-source projects like ical.js and Zendesk’s widely used Garden React components. A pragmatist who champions automation, testing and simple, maintainable designs, he’s equally comfortable solving low-level date/time bugs as architecting reusable UI systems. Colleagues rely on him for technology selection and for keeping complex projects coherent without losing sight of execution.
14 years of coding experience
10 years of employment as a software developer
Academy Profession, Computer Science, Academy Profession, Computer Science at Århus KøbmandsskoleCertified ScrumMaster, Certified ScrumMaster at Scrum AllianceGymnasium, Student degree, Gymnasium, Student degree at Aarhus KatedralskoleMaster of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at Aarhus UniversitetCore Spring, Core Spring at SpringSource UniversityTechnical University of DenmarkSCJP, Sun Certified Programmer for the Java 2 Platform, Standard Edition 5.0, SCJP, Sun Certified Programmer for the Java 2 Platform, Standard Edition 5.0 at Sun Java Certification Programs
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (18)
javascript10
ui-design10
icalendar10
uid10
front-end-development10
react10
unit-testing9
styled-components9
css9
jtest8
jestjs8
jes8
loader7
grails6
spring6
Programming languages (9)
Github contributions (5)
zendeskgarden/react-components
Aug 2016 - Feb 2020
:seedling: garden React components
Role in this project:
Front-end Developer
Front-end DeveloperContributions:842 commits, 7 PRs, 23 pushes in 3 years 6 months
Contributions summary:Sune primarily contributed to the development and maintenance of React components within the repository. Their commits include fixing menu-related issues by implementing lazy loading for event handlers, improving the responsiveness of the Multiselect component, and introducing a new Progress component with styling and functionality. Additionally, the user addressed loader-related bugs and implemented improvements to the style guide's build process through auto-completion for package selection.
reactgardenseedlingreact-components
kewisch/ical.js
Dec 2014 - Sep 2015
Javascript parser for ics (rfc5545) and vcard (rfc6350) data
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 commits, 6 PRs, 29 comments in 9 months
Contributions summary:Sune primarily contributed to bug fixes and improvements within the `ical.js` repository. Their work involved addressing issues related to date and time calculations, particularly within the `Time` and `RecurIterator` classes. They also implemented features such as parameterizing functions to make the code more flexible and corrected how dtend and duration were handled in vevents.
vcardicalendarjavascripticsrrule
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