Mattias Kesti
Frontend Developer & UX UI Designer Consultant at Ametist
Gävle, Sweden
Summary
👤
Senior🎓
Top SchoolMattias Kesti is a frontend developer and UX/UI design consultant with 11 years of experience crafting user-centered web interfaces and interaction flows. Based in Gävle, Sweden, he blends practical front-end engineering with deep UX practice—information architecture, usability testing, and user research—to deliver accessible, internationalized products. He has led UX for workforce management products at Calabrio/Teleopti and now consults at Visionite while running long-term web and design work through Ametist. A cognitive science background and hands-on server/computer science studies give him a rare mix of user psychology insight and technical fluency. He’s particularly passionate about localisation, internationalisation and accessibility, which he treats as core product features rather than afterthoughts.
11 years of coding experience
5 years of employment as a software developer
Cognitive Science, Cognitive Science at Linköpings universitetComputer Science, Computer Science at University of GävleComputer Science, Linux, Server management, Computer Science, Linux, Server management at Mid Sweden UniversityGymnasieexamen, Natural Sciences, Gymnasieexamen, Natural Sciences at Vasaskolan, Gävle
Swedish, English
Github Skills (79)
ivy10
angular-ui10
ui-components10
component-library10
opensaml10
angular-directives10
ant10
angular10
typescript10
bankid10
antd10
frontend10
react10
gcal9
outlook9
Programming languages (5)
Github contributions (5)
oestrogen/ng-zorro-antd
Dec 2020 - Apr 2023
Angular UI Component Library based on Ant Design
Contributions:4 pushes, 4 branches in 2 years 3 months
reactant-designangular-uiui-componentangular-components
oestrogen/styleguide
Sep 2018 - Oct 2018
Teleopti styleguide
Contributions:30 pushes, 15 branches in 1 month
cssstyleguidestylelint
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