Kristoffer Karlsson
Software Developer at Mastercard
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolKristoffer Karlsson is a Stockholm-based software developer with a background in cognitive science and over a decade of professional experience turning coffee into code. He has built full-stack web products across startups and scale-ups, with hands-on work in JavaScript, Node, Vue and TDD, and most recently continued his role after Minna Technologies was acquired by Mastercard. Kristoffer is driven by continuous learning and broadening his skillset, combining UX awareness from his cognitive science training with pragmatic system development. His experience ranges from shipping KanbanFlow features to contributing product and UX insight at consumer finance integrations. Outside of work he has a long history of youth leadership in cross-country skiing, reflecting strong organizational and team-building instincts that translate into collaborative engineering. He maintains a personal site showcasing projects and a steady professional presence since 2010.
9 years of coding experience
7 years of employment as a software developer
Kognitionsvetenskap, Kognitionsvetenskap at Umeå universitetSOCIAL SCIENCES, SOCIAL SCIENCES at Brinellgymnasiet
Stackoverflow
463reputation
73kreached
5answers
14questions
Github Skills (7)
woff6
blazor6
asp-net6
azure-blob-storage6
asp-net-mvc6
web3js6
onclick6
Programming languages (1)
Github contributions (5)
krika02/Unity-Obfuscation
Sep 2016 - Jul 2021
Contributions:7 commits, 7 pushes, 1 branch in 4 years 10 months
krika02/Olympics
Oct 2016 - Jun 2017
Contributions:7 pushes in 8 months
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