Yan Haonan

Summary

Technical expert with 8 years of experience in AI Training & Inference Infrastructure, System Architecture, and AI Agents design.
Leading development of Agentic AI Infrastructure: Agentic Reinforcement Learning, LLM Inference, Agent System.
Passionate about building scalable systems and solving real-world problems with AI Agents.

Experience

Meituan – Technical Expert Beijing | 2017–2020, 2021–Present

2022 – Present

• Led Reinforcement Learning (RL) initiatives, covering large-scale Mixture-of-Experts (MoE) and multimodal model training, while providing critical model training support for core business lines.
• Designed and deployed Agentic Reinforcement Learning System supporting reasoning models and agentic models.
• Core contributor to Large Scale Inference System, outperforming Deepseek benchmarks.
• Led LLM Data Synthesis Project, cutting cost from $30M to <$1M.
• Collaborated with product and engineering teams to deliver Applied AI Solutions across AI assistants, customer service bots, and AI-powered search.

2021 – 2022

• Led Product System Architecture for Community Group-Buying (10M+ daily orders).
• Managed cross-team platform architecture upgrade and large-scale stability initiative (~70 developers).
• Promoted to “Expert Level” in one year due to leadership and delivery.

2017 – 2019

• Led core system redesign for Vacation E-Commerce Transaction System.
• Rapidly promoted 3 levels within 2 year based on technical excellence and execution ability.

Momo Inc. – R&D Manager Beijing | 2019–2020

• Led company-wide Reliability Platform development, serving 100+ microservices and earning annual excellence award.
• Promoted to R&D Manager within one year. Led Social Infra Platform (10M+ DAU).

Projects & Products Built

• AI Synthesis Data Pipeline – Scalable training data generation.
• AI Training Infra – Reinforcement learning based agentic & reasoning model training.
• AI Inference Platform – High-performance LLM serving.
• Applied AI – AI Assistant, AI Customer Support, and AI Search for real-world business use.
• E-commerce Infra – Product system at scale.
• Social Platform – Led infrastructure for core social features at Momo Inc.

Education

Beijing Jiaotong University – B.S. in Software Engineering 2013 – 2017

• National Level Project, University Innovation & Entrepreneurship Competition (Elderly Health System with Smartwatch).
• Maintainer of school admission website and related systems.

Skills & Technologies

AI Agents, Reinforcement Learning.
Large-Scale LLM Inference System.