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From the employer's careers site First seen 9 Mar 2026 · Still live on 8 Nov 2026

Senior Software Engineer, NCCL

NVIDIA Santa Clara On-site senior full-time

The employer hasn't listed a salary.

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Description

We are looking for a highly motivated senior software engineer to join our communication libraries and network software team. The position will be part of a fast-paced crew that develops and maintains software for complex heterogeneous computing systems that power disruptive products in High Performance Computing and Deep Learning.

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.
  • Participate in and contribute 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.
  • Create proof-of-concepts to evaluate and motivate extensions in programming models, new designs in runtimes and new features in hardware.

Requirements:

  • 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.

Nice to Have:

  • Deep understanding of technology and passionate about what you do.
  • Experience with CUDA programming and NVIDIA GPUs.
  • Knowledge of high-performance networks like InfiniBand, iWARP etc.
  • Experience with HPC applications.
  • Experience with Deep Learning Frameworks such PyTorch, TensorFlow, etc.
  • Strong collaborative and interpersonal skills, specifically a proven ability to effectively guide and influence within a dynamic matrix environment.

Benefits:

  • Highly competitive salaries.
  • Comprehensive benefits package.
  • Eligibility for equity.
  • Opportunity to work with a world-class engineering team.
  • Ability to work in a dynamic matrix environment.
  • Opportunity to contribute to cutting-edge technology.
  • Flexible work arrangements.
  • Professional development opportunities.

How to Apply:

Applications for this job will be accepted at least until March 13, 2026. NVIDIA uses AI tools in its recruiting processes.

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Skills

Required

  • C/C++
  • Linux
  • Computer system architecture
  • Operating systems
  • Parallel programming interfaces
  • Communication runtimes

Nice to have

  • CUDA programming
  • NVIDIA GPUs
  • High-performance networks
  • HPC applications
  • Deep Learning Frameworks
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