CareerPlan

Senior Software Engineer, NCCL

US, CA, Santa ClaraFull-time$152k2026-10-11 → 2026-11-10

Core

Design, implement, and maintain highly-optimized communication runtimes (e.g., NCCL, UCX) and system software for GPU clusters and heterogeneous computing systems.

Role type

Senior Software Engineer (HPC/Communication Libraries)

Builds

Communication runtimes for Deep Learning frameworks and HPC programming interfaces

Domain

High-Performance Computing, Deep Learning, GPU Systems

Deliverable

production ML models

Required skills

C/C++ programming, Linux, computer system architecture, operating systems, parallel programming interfaces, communication runtimes

Preferred skills

CUDA programming, NVIDIA GPUs, high-performance networks (InfiniBand, iWARP), HPC applications, Deep Learning Frameworks (PyTorch, TensorFlow)

Technologies

NCCL, TensorFlow, PyTorch, UCX, MPI, OpenSHMEM, CUDA, InfiniBand, iWARP

Responsibilities

Design and implement communication runtimes for Deep Learning frameworks; Participate in parallel programming interface specifications; Design system software for GPU interactions; Create proof-of-concepts for new runtime designs and hardware features

Seniority

Senior, hands-on IC