Sebastian Rabenhorst
Staff Production Engineer at Shopify
Aachen, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolSebastian Rabenhorst is a Staff Production Engineer based in Aachen with 11 years of experience building and operating cloud-native, production-grade systems. He has progressed through multiple engineering roles at Shopify since 2019, focusing on reliability, observability, and scalable platform engineering. His open-source contributions include backend work on the CNCF project Thanos—improving Prometheus compatibility, querier logic, and native histogram support—demonstrating deep expertise in monitoring and distributed query systems. Prior to Shopify he worked as a Cloud Engineer at Aspera, honing practical skills in cloud infrastructure and dependency management. Sebastian pairs a Master’s in Computer Science from RWTH Aachen with hands-on troubleshooting and pragmatic design, often surfacing subtle correctness fixes in complex telemetry code. He’s known for quietly improving core observability primitives that help teams detect and diagnose issues at scale.
11 years of coding experience
8 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at RWTH Aachen University
Stackoverflow
73reputation
21kreached
1answer
3questions
Github Skills (17)
histogram10
go10
prometheus10
observability9
monitoring9
go-modules8
metric7
high-availability7
cnc7
maven6
spark-framework6
kubernetes-helm6
proxy6
kubernetes-client6
java6
Programming languages (8)
Github contributions (5)
thanos-io/thanos
Dec 2022 - Jan 2023
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
Role in this project:
Backend Developer
Backend DeveloperContributions:49 reviews, 4 commits, 11 PRs in 1 month
Contributions summary:Sebastian primarily contributed to the core functionality of the Thanos project. They focused on updating Prometheus versions, fixing various issues in the querier, internal packages, and tests, specifically within the query package. The user also implemented or addressed functionality related to native histogram support. The user's work also included modifications in go.mod, indicating dependency management and updates.
promqlobservabilityprometheusstoragegoogle-cloud-storage
rabenhorst/thanos
Nov 2022 - Dec 2023
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
Contributions:5 PRs, 242 pushes, 28 branches in 1 year 1 month
system-administrationpromqlprometheusstoragecloudnative
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