Algorithm Engineer - TikTok E-Commerce (Conversational AI)

Build and optimize an AI-driven conversational customer service system for TikTok’s global e-commerce platform. You’ll design models that handle inquiries, disputes, refunds, and seller operations, apply state-of-the-art LLM post-training (including RLHF and continual learning), construct training datasets, and enable multilingual support. The role also focuses on evaluation metrics, reducing hallucinations, and deploying efficient, low-latency models at scale with model compression and quantization.