Senior Software Engineer, NCCL and CUDA - CSP ...

NVIDIA is seeking a Senior Software Engineer, NCCL and CUDA specialization to join our Cloud Service Provider (CSP)Engagements team, focusing on ML software stack functionality and performance for datacenter products such as GB 300 and Vera Rubin. This role involves working with the customers to understand the functional and performance issues in the libraries layer for deployment at scale. The role combines deep technical expertise in workloads, NCCL and CUDA libraries, frameworks, and system software interaction to solve the customer issues and bring the next generation of innovation. What you will be doing:Engage with our CSPs to root cause functional and performance issues in NCCL and CUDA libraries. Analyze and improve multi-GPU workloads performance through profiling, benchmarking, and tuning. Understand and solve NCCL and NVSHMEM data movement issues in multi-node clusters. Understand and solve CUDA porting issues for customer workloads. Apply datacenter-specific scheduling and ...Software Engineer, Engagement, Software, Engineer, Senior, Performance, Technology

Created: 2026-05-09