Nicolas Roussel
Research Software Engineer at EPFL (École polytechnique fédérale de Lausanne)
Switzerland
Summary
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Rockstar🎓
Top SchoolNicolas Roussel is a research engineer with 11 years of experience specializing in differentiable and neural rendering, GPU systems, and low-level performance engineering. Based in Switzerland, he has driven research and production-grade work at EPFL's Realistic Graphics Lab and now at NVIDIA, combining academic rigor with pragmatic system programming. He focuses on making rendering pipelines run faster and more reliably, exemplified by contributions to the Mitsuba 3 renderer where he fixed texture-wrapping bugs and strengthened tests across C++ and Python. Comfortable across research, backend engineering, and test automation, he brings a rare blend of graphics research depth and hands-on GPU optimization.
11 years of coding experience
3 years of employment as a software developer
Master's degree, Computer and communication sciences, Master's degree, Computer and communication sciences at Ecole polytechnique fédérale de LausanneBachelor, Computer and communication sciences, Bachelor, Computer and communication sciences at EPFL
French, English, German
Stackoverflow
43reputation
166reached
0answers
1question
Github Skills (7)
c-language10
cprogramming-language10
pytest10
python10
texture-mapping10
image-processing9
eigen6
Programming languages (8)
Github contributions (5)
mitsuba-renderer/mitsuba3
Dec 2021 - Jan 2023
Mitsuba 3: A Retargetable Forward and Inverse Renderer
Role in this project:
Back-end & Test Automation Engineer
Back-end & Test Automation EngineerContributions:13 releases, 141 reviews, 196 commits in 1 year 1 month
Contributions summary:Nicolas focused on fixing bugs related to bitmap texture wrapping in the Mitsuba 3 rendering engine, implementing a "mirror" wrap mode, and improving tests. Their work involved modifying C++ and Python code. These changes aimed to enhance the correctness and reliability of texture handling within the rendering pipeline.
mitsubarendererinverseforward
njroussel/Natura
Apr 2016 - Jul 2016
Contributions:120 commits, 1 push, 1 branch in 3 months
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