Sander Aernouts
Developer Consultant at Xebia
Klein Zundert, North Brabant, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolSander Aernouts is a curious and pragmatic Developer Consultant with 11 years of experience blending software engineering, ALM and DevOps to help teams deliver reliable software. He has driven migrations, training and managed services engagements at organizations like Rabobank, RDW and Kongsberg Digital, where he helped modernize platforms and enable remote delivery of complex simulation software. At Xebia he combines hands-on development with managed service responsibilities, giving him broad insight into the full lifecycle of engineering teams. An active open-source contributor, Sander has improved Backstage integrations and authentication flows—adding Azure service principal and managed identity support and dynamic credential resolution—to strengthen developer portals. He enjoys solving tricky problems and learning continuously, a mindset that traces back to taking consumer electronics apart as a child and now surfaces in thoughtful infrastructure and integration work.
11 years of coding experience
5 years of employment as a software developer
Bachelor, Computer science, Bachelor, Computer science at Avans Hogeschool BredaHAVO, Natuur en Gezondheid, HAVO, Natuur en Gezondheid at Katholieke Scholengemeenschap Etten-Leur
Dutch, English
Stackoverflow
969reputation
59kreached
33answers
1question
azure-devops
top-5%
Github Skills (21)
user-authentication10
authentication10
microsoft-azure10
backstage10
azure10
back-end-development9
authorizations9
authorization9
azure-devops9
typescripts8
typescript-types8
typescript8
portal7
cicd7
web-developer7
Programming languages (13)
Github contributions (5)
backstage/backstage
Apr 2023 - Mar 2025
Backstage is an open framework for building developer portals
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:89 reviews, 7 PRs, 165 comments in 1 year 11 months
Contributions summary:Sander made several contributions related to the Backstage framework, focusing on improving its integration capabilities and authentication mechanisms. They enhanced the Scaffolder plugin by forwarding authorization headers in event streams and added support for Azure service principals and managed identities within the integration module. Furthermore, the user refactored the Azure DevOps integration by renaming credential types and adding support for multiple organizations. A significant contribution involved exposing the `onAuth` callback to allow for dynamic credential resolution based on the request URL.
portalsinfrastructureopen-platformdxbackstage
XpiritBV/backstage
Apr 2023 - Nov 2023
Backstage is an open platform for building developer portals
Contributions:62 pushes, 8 branches in 6 months
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