Lumaai
London, UK
Full-time
Remote
about 6 hours ago
You'll build the distributed systems that train Luma's large-scale multimodal models across thousands of GPUs, so researchers can focus on i…
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.This is deep performance work: fused kernels, tensor cores, Triton and CUDA, distributed multi-node deployment. It fits someone with expert GPU-optimization skills and a deep understanding of transformer internals. If you're not at home in CUDA, T
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£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
You'll build the distributed systems that train Luma's large-scale multimodal models across thousands of GPUs, so researchers can focus on i…