Senior Algorithm Engineer, TikTok E-Commerce (Conversational AI)
Core
Building an AI-powered conversational system to replace human agents for TikTok's global e-commerce platform, handling inquiries, disputes, refunds, and seller operations.
Role type
Senior IC algorithm engineer (conversational AI & LLM post-training)
Builds
AI customer service agents, multilingual support models, automated dispute resolution systems, and seller assistance 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, inference time scaling, distributed model training, edge AI deployment
Technologies
LLMs, NLP frameworks, RLHF tools, model optimization libraries
Responsibilities
Design and implement AI-driven conversational agents for e-commerce; Apply LLM post-training techniques (instruction tuning, RLHF) to optimize responses; Construct specialized datasets for challenging interactions; Develop multilingual support and translation models; Optimize model efficiency for low-latency, high-scale deployment; Define evaluation metrics for AI-generated responses; Build AI tools for seller collaboration and dispute resolution.
Seniority
Senior, hands-on IC
