Yang Liu

Full Stack AI Engineer with end-to-end experience building large-scale multimodal LLM systems and AI infrastructure. At TikTok, developed a reasoning-enhanced multimodal content moderation pipeline using GPT-4V and internal models, reducing manual review by 35%. Designed agentic orchestration with LangChain, FastAPI/Node.js backends processing 50k+ requests/day, and real-time dashboards in React/TypeScript. Previously at ByteDance, architected core components of Eino, an internal LLM orchestration framework in Go, and built an A/B testing platform that cut experiment setup time from 2 days to 2 hours. Skilled across Python, Go, Node.js, React, Kafka, vector databases, and cloud-native systems (AWS/GCP, Docker, Kubernetes). Looking for opportunities to design scalable AI-driven products and intelligent backend systems.