Mike Duminy
Principal Engineer at Klarna
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolMike Duminy is a Principal Engineer based in Stockholm with 11 years of experience building scalable mobile and backend systems, currently shaping React Native at scale for Klarna. He has led core infrastructure efforts supporting 500+ contributors, driven architectural shifts to improve performance and developer experience, and built bespoke over-the-air tooling for a large consumer app. His background spans full-stack and serverless architectures, from greenfield React Native Android apps and custom native modules to AWS Lambda-driven event sourcing and secure payment services like single-use virtual cards. A linguistics graduate who moved into engineering, he combines a strong UX sensibility with pragmatic technical leadership and a knack for reducing tech debt while enabling teams to move fast.
11 years of coding experience
11 years of employment as a software developer
B.A. (Hons) Linguistics, B.A. (Hons) Linguistics at University of Cape Town
Stackoverflow
143reputation
22kreached
4answers
1question
Github Skills (200)
testing10
bundler10
nvim10
html10
svelte10
web-components10
previews10
editor10
neovim-plugin10
react-navigation10
microsoft10
vite10
infinite-scroll10
parallax10
storybook10
Programming languages (12)
Github contributions (5)
mikeduminy/dotfiles
Sep 2022 - Mar 2025
Contributions:2 PRs, 111 pushes, 3 branches in 2 years 6 months
michaelduminy/adventofcode
Dec 2015 - Dec 2018
Contributions:26 pushes, 1 branch in 3 years
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