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Location
In office (Shanghai)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Oct 16, 2026. UCloud scores B on the Alion truth index.

Overview
Company
Impact
Profile match
UCloud provides public cloud, private cloud and data centre services. Its neutral positioning appeals to customers avoiding cloud providers that also compete with them. The company also builds secure data collaboration platforms.

岗位职责 / Responsibilities

职位描述

负责LLM/VLM大模型的部署与推理性能优化,系统性降低硬件延迟瓶颈,保障高并发下线上服务稳定性(TTFT与TPOT满足SLA要求)。

探索前沿推理加速技术,推动在新型GPU/NPU等硬件上的落地。

任职要求 / Requirements

职位要求

1. 精通Python,熟悉C++,具备高性能代码开发与算法实现能力。

2. 至少具备以下2个领域中的实践经验:

a. Transformers与Diffusers库,深入理解Attention变体(GQA、MLA、KDA、Sparse Attn)及其优化技术(FlashAttention、PagedAttention);

b. GPU编程(CUDA/cutlass/Triton/TileLang开发)且掌握性能分析工具(Nsight、PyTorch Profiler等);

c. 模型压缩(量化、稀疏化、知识蒸馏);

d. GPU集群通信架构(卡间通信NVLink/PCIe,机间通信RDMA/RoCE),理解NCCL、HCCL等通信库的工作机制;

3. 符合以下条件者优先:

a. 有超大规模模型(1T参数以上)的分布式部署经验;

b. 有推理系统经验,如为vLLM、SGLang、TensorRT-LLM贡献过核心PR;

c. 有投机采样(Speculative Decoding)的落地与优化经验(如EAGLE、DFlash等);

d. 有相关开源项目、专利或论文发表;

e. 有国产芯片(如昇腾、海光等)的在线服务加速经验。

4. 良好的团队协作能力与工程落地能力,对技术有持续热情。

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