Yannick Stephan
Web Developer at PTV Logistics
Karlsruhe, Baden-Württemberg, Germany
Summary
👤
Senior🎓
Top SchoolYannick Stephan is a web developer based in Karlsruhe with 15 years of experience building and modernizing front-end SaaS products, primarily with TypeScript and React, and more recently expanding into Kotlin for back-end work. At PTV Logistics he led an AngularJS-to-React migration, introduced TDD and CI/CD practices, and championed clean code and mob programming to raise quality and team productivity. His background includes research-driven master’s and bachelor’s theses on AI-driven data quality and KPI visualization for mobility services, reflecting a strong link between applied research and product delivery. Comfortable collaborating with UI/UX and international backend teams, he blends practical engineering with process improvements to make systems more stable and maintainable. An understated strength is his steady progression from student intern to core developer within the same corporate group, showing both deep domain knowledge and long-term commitment.
15 years of coding experience
Master of Science - MS, Computer science, Master of Science - MS, Computer science at Karlsruhe University of Applied Sciences
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
mapbox-gl8
mapbox-gl-js8
lingui7
react7
webgl7
api7
data-visualization5
internationalization4
plugin4
icu4
messageformat3
swc3
Programming languages (3)
Github contributions (5)
Nut/ailab
Oct 2019 - Dec 2019
Contributions:24 commits, 41 pushes, 1 branch in 2 months
Nut/php-login
Jun 2015 - Jul 2015
Contributions:14 pushes, 1 branch in 1 month
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.