Stefan Pfaffel
Cloud Solutions Architect at Siemens
Nuremberg, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolStefan Pfaffel is a Cloud Solutions Architect and engineering leader with 9 years of experience designing scalable cloud infrastructure and leading multicultural teams across Europe and Asia. He has driven large transformative programs at Allianz—shaping global operational processes and cloud platforms—and now applies that expertise at Siemens. Stefan blends hands-on technical work (including test automation contributions to prominent open-source projects like broccoli) with people management, having led teams of up to 30 in hybrid and non-hybrid settings. He also runs a solo venture focused on open-source and SaaS, publishing learnings through blog posts, which underscores his commitment to practical knowledge sharing. With a BSc in Business Informatics and a track record of moving complex initiatives from design to production, he’s comfortable bridging strategy, engineering, and operations.
9 years of coding experience
10 years of employment as a software developer
Bachelor of Science - BS, Business Informatics, 1.6, Bachelor of Science - BS, Business Informatics, 1.6 at Technische Hochschule Ingolstadt
German, English
Github Skills (6)
javascript10
test-automation10
testing10
chai9
sinon9
nodejs9
Programming languages (9)
Github contributions (5)
broccolijs/broccoli
Jan 2017 - Jan 2017
Browser compilation library – an asset pipeline for applications that run in the browser
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 commits, 1 PR, 2 comments in 1 day
Contributions summary:Stefan primarily focused on improving the testing infrastructure of the project. They added a new test suite for the command-line interface (CLI) to verify type coercion. Moreover, they wrote tests to ensure the server functionality correctly handles port configurations, including checking for invalid port inputs, which enhances the reliability and robustness of the application.
compilationbrowserpipelinejavascriptasset
stfsy/prometheus-what-active-users-exporter
Jul 2021 - Jan 2023
Prometheus exporter that scrapes currently logged in users on unix systems
Contributions:155 commits, 148 PRs, 214 pushes in 1 year 6 months
exporterunixprometheus-exportersshscrapes
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