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Open nowPosted 63 days ago

2027校招-通信库开发工程师（北京/上海/成都）

smartlogictech/xiaozhao44 open roles

Where
Beijing, Chinese Mainland
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Your applicationOpen now2027校招-通信库开发工程师（北京/上海/成都）smartlogictech/xiaozhao · Beijing, Chinese Mainland

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  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on smartlogictech/xiaozhao's own form.

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The clock on this job

Early applications get read.

11.9% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.9%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 63 days ago

The posting

"负责 GPU 集合通信库开发与优化，服务大模型分布式训练。 主要工作 维护 / 二次开发 NCCL，调优 All‑Reduce、All‑Gather 等集合通信算子； RDMA、IB、以太网多链路性能调优，解决多机多卡通信瓶颈； 定位分布式训练中的通信报错、超时、性能低下问题； 对接 PyTorch/TensorFlow 协作对象：训练、推理、GPU 驱动、集群运维。"

精通 C/C++、Linux 开发调试，掌握计算机网络、体系结构，了解 GPU 编程、CUDA，熟悉集合通信、RDMA 优先。懂 NCCL 源码、分布式训练框架者加分，侧重性能优化与问题排查能力。

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