Algorithm Engineer - TikTok E-Commerce (Conversational AI)
Core
Design and implement an AI-driven conversational customer service agent for TikTok's global e-commerce platform using LLMs and NLP to handle inquiries, disputes, refunds, and seller operations.
Role type
Senior IC machine-learning engineer (conversational AI)
Builds
AI customer service system, multilingual support models, automated dispute resolution tools
Domain
E-commerce + Large Language Models (LLMs)
Deliverable
production ML models
Required skills
LLM post-training, instruction tuning, RLHF, multilingual NLP, machine translation, cross-lingual dialogue modeling, model compression, quantization, efficient inference
Preferred skills
E-commerce policy understanding, retrieval augmented generation, mixture of experts, sparse attention, reinforcement learning, distributed model training, edge AI deployment
Technologies
LLMs, NLP, RLHF, quantization, edge AI
Responsibilities
Develop AI customer support systems for high-volume inquiries; Implement LLM post-training strategies to reduce hallucinations; Create automated dispute resolution and policy-adaptive AI; Develop multilingual support and translation models; Refine response evaluation metrics via A/B testing; Enable AI-seller collaboration tools; Optimize large-scale model deployment for low latency.
Seniority
Senior, hands-on IC
