Ralf Rettig
Head Of Software Platform
Greater Stockholm Metropolitan Area Sweden
Summary
👤
Senior🎓
Top SchoolRalf Rettig is Head of Software Platform at Thermo-Calc Software with a decade of experience uniting professional software engineering practices and materials/production engineering. He progressed from software developer and scrum master roles into leadership, combining hands-on backend skills with platform strategy and team coaching. Ralf holds a PhD in engineering and a Diplom in Materials Science, giving him deep domain expertise that informs pragmatic tooling and simulation workflows. He contributes to open-source tooling—having fixed subtle debugger issues in Microsoft's Python Tools for Visual Studio—highlighting an attention to low-level reliability often overlooked in scientific software. Based in Stockholm, he excels at bridging research-grade models and production-quality platforms to accelerate materials engineering outcomes.
10 years of coding experience
13 years of employment as a software developer
Doktor-Ingenieur (PhD), ENGINEERING, Doktor-Ingenieur (PhD), ENGINEERING at University of Erlangen-Nuremberg
German, English, Swedish
Github Skills (5)
jython10
debugging10
python10
visual-studio9
socket7
Programming languages (8)
Github contributions (5)
microsoft/PTVS
Oct 2016 - Oct 2016
Python Tools for Visual Studio
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 1 PR, 17 comments in 4 days
Contributions summary:Ralf primarily contributed to debugging and fixing issues related to debugging Python code within Visual Studio, specifically focusing on Jython. Their work involved resolving errors, such as null references and incorrect handling of thread IDs, and adapting the debugger to correctly process file paths in Jython environments. They also addressed a socket-related bug and made modifications to ensure the debugger works with Python 3.5. These changes directly impacted the debugging capabilities of the Python Tools for Visual Studio.
pythonvisual-studioptvs
erl987/alglib
Oct 2022 - May 2026
Contributions:2 releases, 12 pushes, 1 branch in 3 years 7 months
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