Gert Wollny
Senior Software Engineer at Collabora
Halle (Saale), Saxony-Anhalt, Germany
Summary
🤩
Rockstar🎓
Top SchoolGert Wollny is a Senior Software Engineer with 16 years of professional experience and over a decade specializing in C++, Linux, and image processing, grounded in a Diplom and PhD in mathematics and computer science from Universität Leipzig. He combines academic research—developing algorithms for image registration, segmentation and motion compensation—with production-grade engineering at Collabora, bridging scientific rigor and practical software delivery. A long-time open source advocate, he publishes his research tooling and has contributed significant backend and test-automation work to notable graphics projects such as ANGLE and apitrace, improving capture/replay robustness and extension support. His background in medical and microCT imaging at several Max Planck institutes gives him deep domain expertise in handling complex imaging pipelines and external dependency integration. Colleagues rely on him for const-correct, maintainable C++ and for resolving tricky build and serialization issues across platforms. Based in Halle (Saale), he pairs research instincts with pragmatic engineering to ship reproducible, well-tested open-source tools.
16 years of coding experience
8 years of employment as a software developer
Diplom, Mathematik, Diplom, Mathematik at Universität Leipzig
English, Spanish, Italian, German
Stackoverflow
529reputation
78kreached
28answers
0questions
Github Skills (22)
test-automation10
c-language10
cplus10
medical-imaging10
vtk10
dicom10
cpp10
cprogramming-language10
opengl10
egl9
openjpeg9
compression8
opengl-es7
json7
boost6
Programming languages (9)
Github contributions (5)
apitrace/apitrace
May 2018 - Nov 2022
Tools for tracing OpenGL, Direct3D, and other graphics APIs
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 20 reviews, 78 commits in 4 years 7 months
Contributions summary:Gert primarily contributed to the `apitrace/apitrace` project by adding support for new OpenGL extensions and functionalities. Their work included integrating the `gltrim` tool, which is used for trimming OpenGL traces, into the main `apitrace` tool. They also focused on improving the project's code by refactoring to remove deprecated code and enhancing its const-correctness.
bgfxd3d11opengl-esdirectxdirectx-12
malaterre/GDCM
Oct 2015 - Aug 2016
Grassroots DICOM read-only mirror. Only for Pull Request. Please report bug at http://sf.net/p/gdcm
Role in this project:Backend Developer
Backend DeveloperContributions:7 commits in 9 months
Contributions summary:Gert's primary contributions involve adapting the code to build against and incorporate specific versions of the VTK library. These changes include updating include paths and adapting the code to newer interfaces, specifically supporting VTK versions 6.0 and 6.3. The user also addressed build issues related to external dependencies like charls and openjpeg. Furthermore, they fixed a format string vulnerability.
pythoncompressionreportc-plus-plusdicom
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