Stefan K
Senior Fullstack-Entwickler at Babbel
Berlin Metropolitan Area Germany
Summary
🤩
Rockstar🎓
Top SchoolStefan K is a Senior Fullstack-Entwickler based in the Berlin area with a decade of experience building production web applications and evolving from frontend specialist to full-stack responsibilities at Babbel. He brings deep expertise in modern frontend stacks (React, Redux/MobX) plus practical experience with data visualizations (D3, Leaflet) and backend integration from earlier Rails work. At Babbel he progressed through roles since 2018, shaping user-facing features and increasingly owning cross-cutting concerns that bridge UI and platform needs. Stefan’s background in media design and an international media & computing degree inform a strong product sensibility and attention to polished UX. He’s comfortable turning prototypes into maintainable systems and often blends visual thinking with engineering to solve complex UI problems.
10 years of coding experience
4 years of employment as a software developer
Apprenticeship as Digital and Print Media Designer, Apprenticeship as Digital and Print Media Designer at Repro RingelBachelor of Science (BS) International Media and Computing, Bachelor of Science (BS) International Media and Computing at University of Applied Sciences Berlin
German, English
Github Skills (64)
starter-kit10
javascript10
foundation10
sass10
styled-components10
webpack10
boilerplate10
frontend10
easy-peasy10
react-boilerplate9
react-leaflet9
redux9
draggable9
heading9
cloudinary9
Programming languages (3)
Github contributions (5)
wbkd/making-maps-with-react
Apr 2017 - Oct 2017
Contributions:15 commits, 3 PRs, 3 pushes in 6 months
leafletglobereactreact-leafletpigeon-maps
stefankeil/receptoo
Nov 2015 - Nov 2015
Contributions:21 pushes, 1 tag in 23 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.