Marcel Sander
CEO at ActiDoo GmbH
Paderborn, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolMarcel Sander is a computer scientist and entrepreneur who has led ActiDoo GmbH as co-founder and CEO since 2015, bringing over 15 years of hands-on experience in software development and UX-driven solutions. He holds an M.Sc. in Computer Science and combines deep technical expertise in Java, Python, Keycloak, Docker, and Kubernetes with practical experience across front-end frameworks like React and Angular and databases such as PostgreSQL. Marcel’s background spans academic research in model-driven engineering and requirements traceability to freelance work across web stacks, giving him a rare blend of formal methods rigor and pragmatic product delivery. At ActiDoo he focuses on designing reliable, scalable, and secure systems, with a particular strength in identity and access management and operationalizing cloud-native deployments. Known for turning complex technical requirements into user-friendly software, he pragmatically balances architecture, security, and client-driven customization. Based in Paderborn, Germany, Marcel continues to bridge research-informed engineering with entrepreneurial leadership.
11 years of coding experience
9 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Paderborn University
German, English
Github Skills (138)
fastapi10
lti10
python10
json-schema10
swagger10
asgi10
onlyoffice10
edtech10
pydantic10
openapi10
collaboration10
federated10
javascript10
async10
file-sharing10
Programming languages (9)
Github contributions (5)
msander/psm-php
Aug 2016 - Mar 2022
Contributions:26 pushes, 2 branches in 5 years 8 months
ActiDoo/gamification-engine
Mar 2015 - Feb 2022
gamification-engine (gengine) is a framework for developing gamification features for your application
Contributions:27 releases, 243 commits, 12 PRs in 7 years
pythondevelopinggamificationgamification-enginegamification-framework
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