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AI Infra Optimization Engineer Graduate (TikTok Global E-Commerce Recommendation & Search Architecture) - 2027 Start

Singapore💼 Full-time🗓 2026-09-28

Core

Build and optimize infrastructure for LLM-based recommendation systems, focusing on training/inference acceleration, model scale-up, and end-to-end generative recommendation architectures.

Role type

Graduate AI Infrastructure Engineer (LLM & Recommendation)

Builds

Scalable recommendation foundation models and next-generation system architectures for e-commerce live-streaming, short videos, and commodity recommendation.

Domain

E-commerce, Recommendation Systems, Large Language Models (LLM)

Deliverable

production ML models

Required skills

C++, CUDA, Triton, Python, GPU architecture knowledge, distributed training, LLM training/inference, model optimization, PyTorch

Preferred skills

TensorRT, CUTLASS, model quantization, graph compilation, KV cache optimization, prefill/decode disaggregation, Megatron-LM, DeepSpeed, vLLM, SGLang, TensorRT-LLM, reinforcement learning

Technologies

PyTorch, C++, CUDA, Triton, TensorRT, Megatron-LM, DeepSpeed, vLLM, SGLang, TensorRT-LLM

Responsibilities

Develop and optimize LLM training/inference techniques for recommendation foundation models; design next-gen model infra architectures using open-source components; co-design end-to-end generative recommendation technologies; optimize GPU kernels and multi-GPU parallelism; research LLM-native recommendation models and architectures.

Seniority

Graduate (Entry-level)

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