Johannes Scheiermann
Senior Software Engineer at L21s
Cologne, North Rhine-Westphalia, Germany
Summary
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Senior🎓
Top SchoolJohannes Scheiermann is a Senior Software Engineer with nine years of hands-on experience across startups and agencies, currently shaping products at L21s in Cologne. He blends entrepreneurial grit—from co-founding a roof-greening platform and a chatbot startup supported by NRW funding—with solid engineering roles delivering web and backend systems. Nearing completion of a master's in Informatics at RWTH Aachen after a bachelor from TH Köln, he recently focused his thesis and growing interest on AI-driven solutions. Known for high energy, a relentless curiosity and practical tinkering with modern web frameworks, he excels at turning research and prototypes into production-ready software. Outside work he stays sharp through strategy gaming and sports, which he credits for disciplined, strategic problem-solving.
9 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BS, Informatik, 1,3, Bachelor of Science - BS, Informatik, 1,3 at TH KölnMaster of Science - MS, Informatics, 1,7, Master of Science - MS, Informatics, 1,7 at RWTH Aachen University
German, Russian, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
playing9
mono8
nodejs8
cms7
vuepress7
javascript6
documentation6
graphql5
strapi4
headless-cms4
Programming languages (2)
Github contributions (5)
johannesscheiermann/AlgorithmikPraktikum
Nov 2017 - Feb 2018
Contributions:15 pushes, 1 branch in 3 months
johannesscheiermann/Assign-Cookies-Kata
Mar 2021 - Mar 2021
Contributions:22 pushes, 1 branch in 1 day
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