Leszek Godlewski
Senior Raytracing System Software Engineer at NVIDIA
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolLeszek Godlewski is a Senior Raytracing System Software Engineer with 17 years of experience building high-performance rendering systems, currently working on the RTX runtime driver at NVIDIA from Stockholm. He specializes in real-time, full-resolution visual fidelity and pragmatic upsampling strategies, and prefers data-driven engineering over intuition to create reliable systems teams can depend on. His background spans game engines and rendering roles at Frostbite, DICE, and several studios where he led rendering features, engine stability, and technical teams. Leszek also contributes to low-level tooling—having improved dependency handling and robustness in the widely used ISPC compiler—demonstrating a comfort with compilers, build systems, and platform-level engineering beyond typical graphics work. He combines hands-on implementation with leadership in production graphics pipelines and a history of shipping visually ambitious, performant systems.
17 years of coding experience
14 years of employment as a software developer
Master of Engineering (M.Eng.) Computer Science, Master of Engineering (M.Eng.) Computer Science at The Silesian University of TechnologyII Liceum Ogólnokształcące im. S. Staszica w Tarnowskich Górach
English, Polish, German, Swedish
Stackoverflow
1,264reputation
101kreached
22answers
15questions
Github Skills (18)
c-language10
build-system10
makefile10
compiler-compiler10
compiler10
cprogramming-language10
programming-language9
simd8
intel8
spmd7
depth6
ld6
kinect6
inline-assembly6
visual-studio6
Programming languages (9)
Github contributions (5)
ispc/ispc
Aug 2018 - Aug 2018
Intel® Implicit SPMD Program Compiler
Role in this project:
Back-end Developer / Compiler Engineer
Back-end Developer / Compiler EngineerContributions:9 commits, 1 PR, 5 comments in 24 days
Contributions summary:Leszek primarily contributed to the development and enhancement of the ISPC compiler's dependency generation capabilities, mirroring GCC-style makefile integration. They implemented command-line options to manage dependencies, added functionality for overriding rule target names, and ensured the source file was the first dependent. Furthermore, the user addressed issues related to path escaping and corrected a crash associated with empty `do-while` loops. These commits indicate a focus on build system integration and compiler functionality.
cpusimdavximplicitavx512
inequation/cppbuild
Oct 2018 - Apr 2019
Contributions:84 commits, 37 pushes, 3 branches in 5 months
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