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AI通信库研发工程师 - 网络

杭州💼 Full-time🗓 2026-09-28

Core

Design, develop, and optimize collective communication libraries (CCL) for high-performance multi-card/multi-machine AI clusters, focusing on RDMA-based interconnects and communication-computation co-optimization.

Role type

Senior IC distributed systems engineer (AI communication libraries)

Builds

High-performance collective communication libraries (CCL) and tools for AI training/inference clusters

Domain

AI infrastructure, high-performance computing, distributed systems

Deliverable

production ML models

Required skills

Distributed systems, AI cluster architecture, RDMA technology, collective communication algorithms (Ring, Tree, Halving-Doubling), CCL implementation principles, performance tuning, fault diagnosis, Triton

Preferred skills

Communication-computation fusion, complex scenario adaptation, architecture evolution

Technologies

RDMA, Triton, NCCL

Responsibilities

Design and optimize CCL for multi-node scenarios; Develop high-speed communication libraries based on RDMA; Analyze and optimize collective communication performance (AllReduce, All2All); Solve communication issues in distributed training/inference; Collaborate with training/inference teams to optimize AI model communication efficiency.

Seniority

Senior, hands-on IC

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