Mati Kärner
Elixir Developer at Yolo Group
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolMati Kärner is an Elixir developer based in Tartu, Estonia with 11 years of experience building reliable backend and full-stack services for finance and automotive platforms. He has shipped production systems using Elixir/Phoenix, Node.js/TypeScript, React/Vue, Kafka, MQTT and Postgres, and currently supports financial operations at Yolo Group. Previously he implemented and maintained sandbox and telemetry services at HIGH MOBILITY, blending backend message pipelines with frontend tooling. His background includes 3D game engineering and frontend work, plus teaching and mentoring junior engineers, reflecting a balance of systems thinking and developer empathy. With an MSc in Computer Science from the University of Tartu and a mathematics foundation from Tallinn University, he brings strong theoretical grounding to pragmatic system design. An understated strength is his history of moving between domains—games, telematics and finance—demonstrating adaptability in complex distributed systems.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science - BS Mathematics, Bachelor of Science - BS Mathematics at Tallinn UniversityMaster of Science - MS Computer Science, Master of Science - MS Computer Science at University of Tartu
English, Estonian, Dutch
Stackoverflow
1,377reputation
172kreached
36answers
6questions
javascript
top-5%
jquery
top-5%
Github Skills (177)
tsc10
infinite-scroll10
storybook10
ui-components10
testing10
npm-package10
refactor10
javascript10
react-component10
stream10
observable10
html10
angular10
typescript10
vue10
Programming languages (8)
Github contributions (5)
unematiii/css-loader-short-classnames
Sep 2020 - Dec 2022
Provides short class name generator for css-loader with CSS Modules enabled
Contributions:7 releases, 21 commits, 5 PRs in 2 years 2 months
class-namecss-loadercss-modules
unematiii/wp-shortcode-tree
Dec 2015 - Jun 2021
Parses (nested) shortcodes into tree hierarcy.
Contributions:1 release, 34 commits, 13 PRs in 5 years 6 months
binary-treeshortcodes
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