Joris Baum
Karlsruhe, Baden-Württemberg, Germany
Summary
Joris Baum is a Senior Developer based in Karlsruhe with six years of experience building APIs and cloud-backed systems, currently contributing at SAP after five years driving data migration and portability projects at audriga. He has a strong track record in open standards work (IETF, CalConnect) around JMAP, SCIM and email technologies, pairing protocol-level expertise with pragmatic engineering. Proficient in Java, Dart/Flutter and PHP, he also manages AWS-based infrastructure and automation with tools like Ansible. Joris blends hands-on coding with customer-facing delivery, often owning complex data migration engagements end-to-end. His background includes DevOps and security roles as well as academic work in computer graphics and tooling, reflecting a rare mix of systems, security and user-focused integration experience.
6 years of coding experience
Github Skills (69)
jmap10
webmail10
roundcube10
ansible-galaxy9
php9
nextcloud9
portability9
file-sharing8
javascript8
jmap-client8
log-viewer8
collaboration8
horde8
logging8
usability8
Programming languages (6)
Github contributions (5)
audriga/roundcube-jmap
Jun 2021 - Mar 2025
JMAP API for Roundcube Webmail
Contributions:9 PRs, 14 pushes, 6 branches in 3 years 10 months
jmaproundcubewebmail
audriga/openxport-jmap
Jun 2021 - Jan 2024
OpenXPort data portability framework
Contributions:2 PRs, 6 pushes, 2 branches in 2 years 7 months
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