Stephan Altmüller
Senior Software Engineer at YAPEAL
Zurich, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolStephan Altmüller is a senior software engineer with over 16 years of professional experience and a 20+ year technical background that blends startup grit, academic research, and large-scale engineering from roles at Google and founding an e‑commerce platform. He specializes in backend systems, CI/CD, security, testing, and ML/AI, and has hands-on experience improving build and infrastructure tooling for high-profile open-source projects like Google’s Skia. Stephan pairs deep technical problem solving with empathetic leadership and strategic management, having led developer teams and recruited founding partners for a pre-seed startup. Based in Zurich, he moves comfortably between cloud platforms, low-level system design, and product-focused API development. Unusually for an engineer at his level, he combines formal research experience in pattern recognition with practical DevOps skills, enabling him to bridge prototyping and reliable production delivery. His MAS in Management, Technology and Economics complements his ability to translate technical trade-offs into business impact.
16 years of coding experience
23 years of employment as a software developer
Vienna University of TechnologyMS Computer Science, MS Computer Science at The Graduate Center, City University of New YorkMAS Management Technology and Economics (MTEC), MAS Management Technology and Economics (MTEC) at ETH ZürichING Business & Computer Science, ING Business & Computer Science at HTL Spengergasse
German, English
Github Skills (11)
automation10
automations10
build-system10
go10
cicd10
gcp10
android9
infrastructure-as-code8
testing8
kubernetes-pods7
kubernetes7
Programming languages (4)
Github contributions (5)
google/skia
Feb 2018 - Mar 2019
Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See documentation for contribution instructions.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:6 commits in 1 year 1 month
Contributions summary:Stephan's contributions primarily focused on maintaining and improving the infrastructure and build processes for the Skia project. They made significant changes to the recipe and task generation scripts, including adding and updating emulators for Google Cloud services (BigTable, PubSub), upgrading the Go version, and adjusting build configurations. Furthermore, the user made code changes to the build system related to specific device configurations and test environments.
skia
saltmueller/go-nango
Sep 2025 - Sep 2025
Experiments with Nango
Contributions:1 review, 1 push in 1 day
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