Research Scientist Engineer Performance Optimization
Luma AI develops multimodal creative AI agents, video and image generation models, and an API for generative media workflows.
Maintainer signals as of 9/25/2026
Funding history
About Luma AI
Luma AI is an active AI company whose Luma Agents product plans, generates, iterates, and refines creative work across video, image, audio, and text. Its first-party materials describe proprietary Ray video and Uni image models, as well as developer API access.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will profile and optimize GPU, CPU, and accelerator code for utilization and latency. You will write high-performance PyTorch, Triton, and CUDA; develop fused kernels; optimize distributed production deployments; and build performance monitoring, analysis, and automation tools.
Requirements
- Expert-level Triton and CUDA programming and GPU optimization
- Strong PyTorch skills, including kernel development and custom operations
- Proficiency with NVIDIA Nsight, torch profiler, or custom profiling tools
- Deep understanding of transformer architectures and attention mechanisms
Responsibilities
- Profile and optimize GPU, CPU, and accelerator code for utilization and latency
- Write high-performance PyTorch, Triton, and CUDA code, including custom operations
- Develop fused kernels and use tensor cores and modern hardware features
- Optimize model architectures and implementations for distributed multi-node production deployment
- Build performance monitoring, analysis, and automation tools
- Research and implement optimization techniques for transformer models