Christoffer Rosen
Principal Software Engineer at Microsoft
Umeå, Sweden
Summary
👤
Senior🎓
Top SchoolChristoffer Rosen is a Principal Software Engineer with 13 years of experience building and leading teams that deliver large-scale distributed systems for Microsoft’s Copilot and Microsoft 365 search. He combines technical ownership of ingestion orchestration, indexing, and end-to-end data pipelines with hands-on architecture work to ensure freshness, completeness, and reliability at massive scale. Having bootstrapped international teams and coached multiple engineers to Principal level, he blends technical depth with organizational growth and incident resolution practices, including AI-driven live site troubleshooting. Based in Umeå, Sweden, he has a strong foundation from Rochester Institute of Technology and a track record of turning complex, data-intensive problems into production systems that surface the right information at the right time.
12 years of coding experience
13 years of employment as a software developer
Bachelor of Science Software Engineering, Bachelor of Science Software Engineering at Rochester Institute of Technology
English, Swedish
Stackoverflow
96reputation
5kreached
3answers
0questions
Github Skills (23)
leaflet9
javascript7
android7
python7
flutter7
maps7
heatmap6
mouse6
jquery6
canvas6
push-notifications6
ios6
sencha-touch6
cordova6
typescript5
Programming languages (2)
Github contributions (5)
TourTrak/devcycle-mobile-app
Dec 2013 - May 2014
Contributions:92 commits in 5 months
androidmobile-appbikemobile-platformios
tofferrosen/Fuzzer
Feb 2014 - Mar 2014
Contributions:50 commits in 1 month
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