Florian Greinacher
Chief Architect SIMATIC AX at Siemens
Wilhermsdorf, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolFlorian Greinacher is a seasoned software architect and DevOps leader with 13 years at Siemens, currently serving as Chief Architect for SIMATIC AX and a long‑time Social Coding Ambassador. He drives pragmatic, product-focused engineering across automation and developer platforms, combining hands‑on backend and DevOps expertise with a passion for inner‑ and open‑source practices. Florian has improved developer experiences at scale—contributing to high‑impact projects like swagger-codegen and Renovate, adding robust environment, NuGet and CI/CD support that boosted automation and dependency hygiene. Known for being brutally honest, change‑friendly, and anti‑bureaucracy, he pairs agile values with measurable quality improvements in complex industrial software. Based in Bavaria, he balances enterprise architecture duties with grassroots tooling work, often resolving subtle cross‑platform and deployment issues other teams overlook.
12 years of coding experience
17 years of employment as a software developer
Associate Engineer, Computer Science, Associate Engineer, Computer Science at Siemens Technik Akademie Erlangen
Stackoverflow
14,578reputation
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146answers
14questions
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Github Skills (49)
dependency-management10
nuget10
open-api-v310
testing10
net10
dotnet10
swagger10
operator-overloading10
java10
cicd10
asp-net10
javas10
api-specification10
rest-api10
csharp10
Programming languages (20)
Github contributions (5)
TestableIO/System.IO.Abstractions
Feb 2018 - Jan 2023
Just like System.Web.Abstractions, but for System.IO. Yay for testable IO access!
Role in this project:
Backend & QA Engineer
Backend & QA EngineerContributions:100 releases, 148 reviews, 147 commits in 4 years 11 months
Contributions summary:Florian contributed to the project by adding and updating test targets, ensuring compatibility across different .NET versions. They refactored tests to exclude or adapt those failing on Unix systems, improving cross-platform support. The user also focused on fixing and improving the reliability of tests related to file system operations, particularly concerning relative paths and file sharing, to ensure the accuracy and robustness of the testing framework.
fsdotnettestingsystem-ioio
renovatebot/renovate
Feb 2019 - Dec 2022
Home of the Renovate CLI: Cross-platform Dependency Automation by Mend.io
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:192 reviews, 46 commits, 86 PRs in 3 years 10 months
Contributions summary:Florian contributed significantly to the Renovate CLI, particularly focusing on dependency management for various package ecosystems. Their work included adding support for authenticated NuGet feeds, implementing features related to GitLab CI/CD, and handling pagination for NuGet package versions. Furthermore, the user implemented features related to proxy configuration and also added support for updating lock files, demonstrating a strong understanding of build processes and infrastructure. They also added support to set assignees/reviewers from code owners.
dependenciesdependencies-checkingbitbucketgitlabupdate
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