Stefan Hoelzl
Software Engineer at BALTECH AG
Munich, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolStefan Hoelzl is a pragmatic software engineer based in Munich with 8 years of experience building automation-first systems across Python, TypeScript, and cloud-native infrastructure. He designs and ships full-stack web applications and serverless deployments, but also architects robust test automation—having built an in-house E2E firmware test framework that combines randomized fuzzy testing with statistical monitoring of firmware quality. His background spans embedded firmware, distributed build/execution backends on Kubernetes, and CI/CD infrastructure, giving him a rare blend of hardware integration and large-scale DevOps experience. Stefan repeatedly turns manual testing and manufacturing workflows into reliable, automated pipelines, improving insight with BI tooling and data-driven quality metrics. Colleagues rely on him to bridge product, test, and operations concerns—plus he’s comfortable contributing across the stack from low-level firmware to Vue frontends. An underappreciated strength is his long history of teaching and tooling work, which shows in clear engineering processes and maintainable codebases.
8 years of coding experience
8 years of employment as a software developer
Diplom-Ingenieur (FH), Mechanical Engineering, 1,5, Diplom-Ingenieur (FH), Mechanical Engineering, 1,5 at Hochschule MünchenCalifornia Polytechnic State University, San Luis ObispoSymmetric Matrizes, Symmetric Matrizes at Universidade Federal de São João del-Rei - UFSJ
German, English
Github Skills (15)
svd6
python5
arm5
microcontroller4
cmsis3
git-branch3
ai2
vscode2
ide2
testing1
iot1
bridging1
agent1
tdd1
ai-agent1
Programming languages (3)
Github contributions (5)
stefan-hoelzl/codehydra
Dec 2025 - Feb 2026
Contributions:11 pushes, 4 branches in 2 months
stefan-hoelzl/headlock
Nov 2025 - Nov 2025
Contributions:20 pushes, 4 branches in 2 days
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