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Senior Software Engineer, NCCL

NVIDIA· Engineer, Sys SW
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Santa Clara, CA$152k - $241.5kfull-timePosted 7mo ago

About the role

Senior software engineer role focused on design, implementation, and maintenance of optimized communication runtimes for Deep Learning frameworks and HPC interfaces, contributing to MPI/OpenSHMEM specifications, and enabling GPU interactions within heterogeneous computing systems.

Responsibilities

  • Design, implement and maintain highly-optimized communication runtimes for Deep Learning frameworks (e.g. NCCL for TensorFlow/Pytorch) and HPC programming interfaces (e.g. UCX for MPI/OpenSHMEM) on GPU clusters.
  • Participating in and contributing to parallel programming interface specifications like MPI/OpenSHMEM.
  • Design, implement and maintain system software that enables interactions among GPUs and interactions between GPUs and other system components.
  • Creating proof-of-concepts to evaluate and motivate extensions in programming models, new designs in runtimes and new features in hardware.

Qualifications

  • M.S./Ph.D. degree in CS/CE or equivalent experience.
  • 5+ years of relevant experience.
  • Excellent C/C++ programming and debugging skills.
  • Strong experience with Linux.
  • Expert understanding of computer system architecture and operating systems.
  • Experience with parallel programming interfaces and communication runtimes.
  • Ability and flexibility to work and communicate effectively in a multi-national, multi-time-zone corporate environment.

Skills

Required:C/C++ programmingLinuxParallel programming interfacesSystem software for GPU interactions

Benefits

  • equity
  • comprehensive benefits package
  • base salary and location-based compensation
  • inclusive work environment
Last updated Oct 23, 2026. Interested? Apply on the company site.

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