# Billy Y

> Software Engineer @ Vibrant Wellness | Computer Science, Software Development

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/billyy

## Work Experience
### Software Engineer @ Vibrant Wellness
Jan 2024 – Present | San Jose, CA
• Owned full-stack development for EHR Client Service and patient-facing modules using Go, and Vue.js.  
• Developed clinical information extraction pipelines, enhancing macro F1 score from 0.70 to 0.82.  
• Implemented real-time transcription features, reducing note drafting time from 10 minutes to 6 minutes.  
• Ensured HIPAA compliance with automated PHI redaction, achieving a leakage reduction from 0.5% to <0.1%.

### Software Engineer @ Orbex Labs
Jan 2024 – Jan 2024 | Atlanta, Georgia, United States
在Scrum环境下，使用Python/Django开发了一个全栈网络应用，构建了一个由大型语言模型支持的多模态检索增强生成系统
设计了RESTful API，将Azure计算机视觉用于OCR、Azure Document Intelligence和OpenAI模型集成进系统，高效处理图像、表格和文本等格式的查询
将提取的数据存储至MongoDB，利用Python中间件构建了基于LLM的助手，实现了根据用户查询自主生成SQL语句并检索信息
通过Docker容器部署应用，实现了可扩展性与环境一致性

### Software Engineer @ APEXUS - TECH
Jan 2022 – Jan 2024 | East Brunswick, New Jersey, United States
在一个由10人组成的敏捷团队中，协作提升了家具电商网站的功能
使用Java Spring Boot和RESTful APIs开发了支持500 QPS的高度可扩展微服务
并设计了CSS/React.js网页界面
利用Hibernate优化数据库交互并将1GB商品信息迁移至MySQL，提高了系统性能
实现了商品排名和懒加载技术，将加载效率提升了12%
通过JUnit广泛测试确保代码质量和可靠性。

### Software Engineer @ Chongqing Endurance Energy Integration Company
Jan 2019 – Jan 2022
采用React.js和Java Spring Boot分别在前后端开发新一代HR入职系统
基于现有MySQL架构，在MongoDB中设计并实现了新员工数据库结构
与AWS S3集成，存储每位新员工的入职文件，替代原有内部服务器存储，使文件下载时间提高10%
利用Prometheus和Grafana构建了新微服务的监控仪表板


## Education
### Master's Degree in Computer Science
Boston University

### Bachelor's degree in Electronic Information Engineering
Southwest University


## Contact & Social
- LinkedIn: https://linkedin.com/in/han-yu-bu

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Source: https://flows.cv/billyy
JSON Resume: https://flows.cv/billyy/resume.json
Last updated: 2026-04-11