CareerPlan

微信支付-大模型 AI Infra 研发工程师

Shenzhen, ChinaFull-time2026-10-28 → 2026-11-09

Core

Building and optimizing the WeChat Pay large model inference and training platform, focusing on hardware-software co-optimization for heterogeneous GPU clusters.

Role type

Senior IC large model AI infrastructure engineer

Builds

Large-scale inference and training platforms for WeChat Pay's large models

Domain

AI Infrastructure / Large Language Models / Heterogeneous Computing

Deliverable

production ML models

Required skills

vLLM, SGLang, DeepSpeed, Megatron-LM, distributed training frameworks, GPU architecture, operator optimization, graph optimization, NCCL optimization, CUDA development, heterogeneous GPU adaptation

Preferred skills

Domestic GPU adaptation, AI compiler development, large-scale GPU cluster management, open-source project maintenance, ACM awards

Technologies

vLLM, SGLang, DeepSpeed, Megatron-LM, verl, LLaMA-Factory, CUDA, NCCL, DeepSeek, Hunyuan, Qwen, GLM, Kimi

Responsibilities

Build and optimize the large model inference platform for performance and throughput; Optimize large model training performance for SFT and reinforcement learning tasks; Adapt and optimize for domestic GPUs and heterogeneous computing resources

Seniority

Senior, hands-on IC