Karl-erik Rønsen
Software Developer at WeWillWrite
Oslo, Norway
Summary
👤
Senior🎓
Top SchoolKarl-erik Rønsen is a seasoned software developer based in Oslo with 17 years of experience building user-focused products, prototypes, and cloud-native backends. He has co-founded and led technical teams at startups and scaleups, notably as CTO at Eliot where he delivered IoT-driven energy-optimization systems on Azure, and earlier co-founding realtime backend and consumer projects. Equally comfortable in frontend UX-driven work (React, TypeScript, MobX) and backend/cloud platforms (Azure Functions, Event Hubs, PostgreSQL, Python, C#), he blends product sensibility with hands-on engineering. Currently he splits time between research, prototyping new ideas under his own name and building the social writing game at WeWillWrite, showing a preference for delightful, playful user experiences. A former jazz bass student, he brings an improvisational mindset to problem solving and a long track record of turning early concepts into production-ready systems.
17 years of coding experience
19 years of employment as a software developer
Bachelor Digital Media, Bachelor Digital Media at University of OsloJazz performance Bass, Jazz performance Bass at Norwegian Academy of Music
Stackoverflow
153reputation
5kreached
2answers
1question
Github Skills (43)
jsonp10
reqwest10
ajax9
jsdelivr9
jquery9
mocking9
traffic9
ssh8
python8
ansible8
cdn8
npm8
javascript8
testing8
asynchronous7
Programming languages (5)
Github contributions (5)
Appstax/appstax-cli
Mar 2015 - Feb 2016
Contributions:68 commits, 32 pushes, 1 branch in 11 months
Appstax/appstax-ios
Mar 2015 - Jun 2016
Contributions:86 commits, 47 pushes, 1 branch in 1 year 3 months
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