Jannik Wienecke
Senior Frontend Developer at Protofy
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolJannik Wienecke is a Senior Frontend Developer based in Hamburg with eight years of experience building user-focused web and mobile interfaces. He has a strong React and React Native background, moving between product and consulting roles where he shapes both implementation and product direction. Recent roles show rapid engagement cycles—from React Native work to product ownership—demonstrating an ability to jump into projects and deliver end-to-end features quickly. His academic mix of industrial engineering and management information systems gives him a pragmatic, cross-disciplinary approach to solving technical and business problems. Open to new roles starting November 1, 2025, he blends freelance agility with the discipline of senior engineering at companies like Sirum and Protofy. Colleagues describe him as a pragmatic problem-solver who turns ambiguous requirements into production-ready experiences.
8 years of coding experience
6 years of employment as a software developer
Master of Science - MS Management Information Systems General, Master of Science - MS Management Information Systems General at Otto-Friedrich-Universität BambergBusiness Administration and Management General, Business Administration and Management General at Udayana UniversityBachelor of Engineering - BE Industrial Engineering, Bachelor of Engineering - BE Industrial Engineering at Hochschule Hof, University of Applied SciencesBusiness Administration and Management General, Business Administration and Management General at San Diego State University
German, English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (19)
location-tracking8
cordova8
geofencing7
background-location7
motion-detection6
monorepo6
ionic6
javascript6
typescript5
build-system5
ios4
convex4
android4
react4
remix3
Programming languages (6)
Github contributions (5)
jannikwienecke/fastshift-react
Apr 2025 - Jun 2025
Shift your fullstack development into high gear — streamline everything from backend to UI.
Contributions:20 PRs, 107 pushes, 13 branches in 1 month
convexreacttailwindtanstack-query
jannikwienecke/react-spotify-player
Jan 2021 - Jan 2021
Contributions:30 commits, 19 pushes, 1 branch in 19 days
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