Kai Rollmann
Self Employed
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolKai Rollmann is a product-minded software engineer with 14 years of experience crafting high-quality web frontends and end-to-end interfaces, currently building AI-driven UIs at Cortea and early-stage products like Emidat. He specializes in Typescript/React, Node and Python, shipping design systems, performance optimizations, and maintainable code while also advising on product strategy and architecture. Kai has led cross-functional teams and served as a technical product manager for ~20 developers, blending hands-on implementation with roadmap and hiring responsibilities. He has built backends in Rails, Node and Python, applied clustering and basic ML to analyze user behavior, and modeled complex database schemas for analytics products. As an entrepreneur he runs gliderbase.com, one of the largest paraglider comparison sites, demonstrating a knack for shipping niche consumer products end-to-end. Based in Berlin with a strong design-thinking background from Hasso Plattner Institute, he excels at turning product visions into usable, iterated interfaces.
14 years of coding experience
9 years of employment as a software developer
Master of Science (M.Sc.) IT-Systems Engineering, Master of Science (M.Sc.) IT-Systems Engineering at Hasso Plattner Institute
German, English, Japanese
Stackoverflow
4,889reputation
559kreached
12answers
53questions
Github Skills (200)
react-spring10
drag10
big-data10
react-dnd10
mui-datatables10
dart-sass10
slider-component10
big-data-analytics10
loader10
graphql10
postgresql10
animation10
sql10
gatsby10
fastest10
Programming languages (15)
Github contributions (5)
Kadrian/paper-gamification
Aug 2013 - Jun 2015
Contributions:33 commits, 3 PRs, 8 pushes in 1 year 10 months
Kadrian/para-std
Jul 2018 - May 2023
Paragliding Standards and Proposals
Contributions:7 pushes, 1 branch in 4 years 10 months
proposalsstandardsparagliding
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