# Research Scientist / Engineer – Performance Optimization at Luma AI

- Company: Luma AI
- What the company does: Luma AI is the creative AI platform for video generation and image creation. Powered by the world's leading video generation models, Ray and Uni, and creative agents handling end-to-end workflows. Trusted by leading agencies and brands. Try it free. Backed by General Catalyst, a16z and CRV.
- Company website: https://lumalabs.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: Redwood City, CA
- Work setup: Remote
- Posted: 2026-07-24
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/lumaai/278788c5-a288-41d8-92ca-f07a82310173
- Page: https://www.1752.vc/careers/jobs/luma-ai-research-scientist-engineer-performance-optimization/

## About the role

You'll make Luma's multimodal models fast — profiling and optimizing GPU, CPU, and accelerator code so they train efficiently and deploy at scale without sacrificing quality. You'll write the kernels and operations that get the most out of the hardware.

## What they're looking for

- Expert-level Triton/CUDA programming and GPU optimization
- Strong PyTorch skills, including kernel development and custom operations
- Proficiency with profiling tools (NVIDIA Nsight, torch profiler, custom tooling)
- Deep understanding of transformer architectures and attention mechanisms

Tags: Research & AI