Data Scientist

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.

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.

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.