Algorithm Engineer, TikTok E-Commerce (Conversational AI)

Build AI-driven conversational customer service systems for TikTok’s global e-commerce platform. Apply LLM post-training techniques (instruction tuning, RLHF, continual learning) and construct benchmark datasets to improve dialogue quality with minimal labeled data. Develop multilingual support and translation, automate dispute resolution and policy-adaptive responses, and define evaluation metrics using A/B testing. Optimize efficiency through compression, quantization, inference optimization, and scalable deployment.