He Xu
Data Scientist
Experience
Data Scientist
World Food Programme
Developed data visualization dashboards using PySpark to analyze and display Country Office supply chain performance, improving operational efficiency and decision-making accuracy.
Integrated AI-driven automation into existing workflows to generate reports automatically and streamline data processing, enhancing productivity and reducing manual workload.
AI Engineer
Redify
- Designed and developed an AI Agent system for e-commerce front-end code generation, combining CrewAI, LangGraph, and multi-agent orchestration to automate React/Tailwind-based website generation.
AI Product Manager
China Telecom
Spearheaded the design of two SaaS B2B products based on LLM architecture, driving end-to-end implementation through market research, competitive analysis, user interviews, requirements analysis, prototype design, agile iteration, documentation release, and customer service.
Developed an LLM-based customer service bot integrated multi-channel consultation and policy retrieval and deployed it across provincial government systems, serving thousands of users daily.
Built an intelligent hotline ticket classification system that automatically categorized incoming support tickets based on hotline content, increasing ticket processing speed by 30%.
Designed modular, scalable AI components to support integration, embedded LLMs into customer workflow systems, and implemented prompt engineering and RAG systems.
Defined product roadmaps aligned with business strategy, coordinated a 14-member cross-functional team, planned Agile sprints and retrospectives, authored user stories and acceptance criteria, maintained the Jira backlog, and tracked tickets to ensure product launches at the Digital China Summit.
Designed model training data requirements and system prompts, collaborated on model fine-tuning and RAG system enhancements, established metrics frameworks based on bot deflection rate, average handling time, and user satisfaction scores, and built fallback strategies to boost response accuracy.
Worked with algorithm engineers to identify high-impact data samples, reducing training cost by 25% while maintaining over 92% model accuracy.
AI Product Manager
Tencent
Led the design of intelligent identity authentication software products, including live detection, document recognition, information verification, and voice intention confirmation modules.
Defined pricing strategy and core product KPIs and built dashboards to monitor adoption, model quality, and business impact.
Drove continuous model optimization and product iterations through A/B testing feedback, improving accuracy from 73% to 94%.
Designed Smart Campus hardware-software integrated solutions by mapping customer journeys, abstracting pain points into executable AI-driven solutions, creating detailed PRDs and prototypes, and enhancing service efficiency through standardized processes and tool construction.
Supported client adoption by providing technical know-how, go-to-market materials, product training, and product demos, growing the enterprise client base from pilot use cases to over 3,000 B2B clients and driving consistent revenue growth of 60% to 200%.
Software Engineer
Tencent
Developed and maintained iOS and Android SDKs for network transmission optimization, improving data transfer speed by 13% and reducing slow transmissions by 30%.
Conducted network performance analysis and designed adaptive high-quality link selection features.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (5.5 years), Telecommunication (2 years), and Food and Beverage (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Product Development (7.5 years), Business Intelligence (4 years), Information Technology (4 years), Marketing (3.5 years), Customer Service (2 years), and Supply Chain Management (0.5 years).
Summary
- 6+ years building AI-powered products for 3000+ B2B clients in a fast-growing environment
- Experienced in leading full product lifecycles and delivering impactful LLM and Computer Vision solutions in a fast-moving entertainment environment.
- Customer empathy, structured thinking, data insights, fast and reliable product delivery.
Languages
Education
Bologna Business School, University of Bologna
Professional master's degree · Data Science and Business Analytics · Bologna, Italy
South China University of Technology
Master's degree, including ML and Statistics · Electronics and Communication Engineering · Guangzhou, China
South China University of Technology
Bachelor's degree · Information Engineering · Guangzhou, China · 3.73/4.00
Profile
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