Research Scientist Engineer Performance Optimization

Luma AI develops multimodal creative AI agents, video and image generation models, and an API for generative media workflows.

Redwood City, United States
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.

View jobs by Luma AI

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, build performance tooling, and implement transformer optimization techniques.

Requirements

  • Expert-level Triton and CUDA programming
  • GPU optimization expertise
  • 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
  • Write high-performance PyTorch, Triton, and CUDA code
  • Develop fused kernels and use tensor cores
  • Optimize model implementations for distributed multi-node deployment
  • Build performance monitoring and analysis tools
  • Research and implement transformer optimization techniques
Research Scientist Engineer Performance Optimization at Luma AI | JobStash