Andreas Schaefer
Software Engineer Project Committer at Apache Sling
Glendora, California, United States
Summary
👤
Senior🎓
Top SchoolAndreas Schaefer is a Principal Software Engineer and long-time open-source committer with 20+ years of experience designing and implementing Java-based systems across banking, insurance, and entertainment. He specializes in complex backend architectures, Adobe AEM and Apache Sling, OSGi, and robust integration and testing strategies that bridge modern frameworks with legacy platforms. As a current contributor to Apache Sling, he brings practical knowledge of content-package archetypes and feature modeling to production-grade CMS integrations. Founder of Madplanet, Andreas pairs hands-on consulting experience with enterprise-grade delivery, having built scalable J2EE solutions and led architecture efforts for clients like Warner Bros. and GE Healthcare. With dual studies in physics and computer science, he combines analytical rigor with pragmatic engineering to solve thorny integration challenges.
11 years of coding experience
8 years of employment as a software developer
BS, Physics, BS, Physics at University of Basel
German
Github Skills (66)
cms10
intellij-idea10
mappings10
vuejs210
maven10
java10
vue10
sling10
headless-cms10
graphql-java10
aem10
testing9
jbake9
maven-archetype9
react9
Programming languages (7)
Github contributions (5)
headwirecom/aem-ide-tooling-4-intellij
Mar 2015 - Oct 2018
AEM Tooling Plugin for Intellij IDEA
Contributions:28 releases, 107 commits, 10 PRs in 3 years 7 months
aemintellij-idea
headwirecom/sling
Nov 2015 - Jul 2017
Mirror of Apache Sling
Contributions:24 pushes, 4 branches in 1 year 8 months
javaslingapache-slingapache
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