Advanced Micro Devices
Member of Technical Staff,
ROCm Core Performance Team
- Develop and extend ROCm libraries using latest hardware synchronization features
Lonnie L. Souder II
Electrical & Computer Engineer with a flare for graphics, low-level code, and making things fast.
- Author of Optimize the Programmer
- Mentor at Exercism
Skills
Work
Ozone Story Tech
Lead Software Engineer
- Led large-scale rearchitecting and refactoring of the Maya plugin, improving codebase maintainability and performance.
- Prototyped an unnanounced project constructed entirely of reusable modules from my refactoring efforts.
- Implemented major features and introduced new developer tooling to streamline workflows and enhance productivity.
- Conducted comprehensive code reviews and provided mentorship to junior developers, fostering a collaborative and growth-oriented team environment.
- Established a modern code documentation system to generate comprehensive API references and improve developer onboarding, while promoting a documentation-first approach by writing detailed C++ module docs and advocating for clear, maintainable comments during code reviews.
- Overhauled the team's use of Qt, improving UI stability and performance by addressing underlying architectural issues.
- Spearheaded project planning and technical strategy for the Maya plugin, aligning development efforts with company goals.
- Improved unit testing coverage and introduced automated regression testing frameworks to increase code reliability.
- Maintained the Ozone for Unreal Engine plugin
Meta
GPU Software Engineer IV
- Investigated platform-agnostic general purpose GPU programming frameworks for use in Meta's AI infrastructure
- Wrote benchmarks to evaluate performance of GEMM kernels in OpenMP, Triton, Cutlass, and Torch
Verizon
GPU Software Engineer
- Supported development of the large volumetric capture stage
- Maintained and debugged CUDA device code and host-side CUDA abstractions
- Standardized file format for multi-camera calibration and provided a reader/writer library
- Set up Jenkins scripted pipeline templates for use across any project
- Provided feedback regarding the team workflow and project planning which resulted in more tangible weekly results and far greater project stability
Toyon Research Corporation
Algorithm Developer
- Analyzed existing computer vision code for bottlenecks using nvprof, Nvidia NSight, and VS Performance Profiler
- Implemented parallelized algorithms in CUDA to run on the GPU
- Packaged software for delivery to client using Docker and CPack
- Maintained and updated CI scripts and configuration files
Rowan Virtual Reality Center
XR Software Developer
- Wrote code to consume REST API in C#
- Handled compatibility issues for multiple devices during development
- Wrote code for custom world-space GUI element interaction for Oculus Go
OPEX Corporation
Software Engineering Intern
- Added graphics features to dialogs and worked to fix graphic bugs using MFC libraries in C++
- Worked on build scripts to be used with Jenkins and made changes to better integrate Plastic SCM into Jenkins
- 2D graphic rendering optimization; Increased performance by 80% using Visual Studio Performance Profiler
