Christoffer Winterkvist
Mobile Developer at Fink AS
Oslo, Norway
Summary
🤩
Rockstar🎓
Top SchoolChristoffer Winterkvist is a seasoned mobile developer with 17 years of experience building and leading iOS teams from hands-on engineering to CTO-level responsibilities. Based in Oslo, he currently focuses on mobile development at Fink AS after technical leadership and product roles at itch design and Hyper Oslo. A prolific open-source contributor, he has improved widely used Swift libraries and tooling—working on projects like Cache, Sugar and InjectionIII to streamline iOS caching, Cocoa utilities and hot-reloading for Xcode. He combines deep Swift/UIKit expertise (UIPageViewController, storyboards, nibs) with pragmatic API design and performance fixes, often making APIs more accessible and resilient. Outside work he describes himself playfully as a “random hero by day, cocoa vigilante by night, dad at dawn,” hinting at a balance of relentless craft, community contribution and family life.
17 years of coding experience
7 years of employment as a software developer
Anderstorpskolan Skellefteå
Swedish, Norwegian, English
Stackoverflow
3,094reputation
293kreached
5answers
1question
Github Skills (39)
uiimage10
uipageviewcontroller10
caching10
ios10
injection10
develop10
uiviewcontroller10
web-application10
hot-reload10
colors10
xcode10
uicolor10
swift10
disk-cache10
web-cache10
Programming languages (9)
Github contributions (5)
zenangst/Hue
Dec 2015 - Jun 2022
:art: Hue is the all-in-one coloring utility that you'll ever need.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:10 releases, 3 reviews, 72 commits in 6 years 6 months
Contributions summary:Christoffer primarily focused on improving the "Hue" utility's iOS implementation by addressing various issues and enhancing functionality. Their contributions included fixing crashes, optimizing color extraction performance using dispatch queues, and correcting indentation issues. They also updated and refined existing tests, ensuring the application's reliability.
hexartall-in-onetintever
hyperoslo/Sugar
Jul 2015 - Jan 2017
:coffee: Something sweet that goes great with your Cocoa
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:20 releases, 71 commits, 74 PRs in 1 year 7 months
Contributions summary:Christoffer primarily contributes to the iOS mobile application development within the "sugar" project. Their work includes adding Swift code, defining essential structs and functions. They've made properties and methods public, reflecting a focus on accessibility and usability within the application. The user has added features for application name and version as well as handling string conversions.
objective-ccocoapodscoffeeswiftios
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