# Tianyu Yu

> Software Developer at Afya Global

Location: New York, New York, United States
Profile: https://flows.cv/tianyuyu

Driven data analyst and developer with a background in Data Science, Cognitive Science, Machine Learning, and Statistics.

## Work Experience
### Software Developer II @ Afya
Jan 2025 – Present | Redlands, California, United States

### Software Developer Internship @ Afya
Jan 2023 – Jan 2025 | Redlands, California, United States
• Lead a 7-member Agile team as Scrum Master, overseeing project lifecycle from development to QA.
• Spearhead a GenAI initiative utilizing Retrieval Augmented Generation (RAG) and Llama 3.1 to develop an AI- powered tool for Primary Care Physicians (PCPs), which intelligently identifies and highlights missing patient information critical for accurate diagnoses, significantly improving the quality and efficiency of patient care.
• Develop and deploy an AI-driven document analysis tool, where the system extracts, summarizes, and intelligently suggests next steps for patient care, demonstrating advanced NLP capabilities integrated into healthcare workflows.
• Automate Selenium-based Python 837P file generation and upload process for IEHP, HPSJ, and CDCR on a Linux server, handling daily data scraping and parsing of 270,000+ user records, reducing costs by 25%.
• Integrate Twilio and Flask servers to enhance patient communication with over 100,000 SMS updates and in-app chat interactions, ensuring timely engagement.
• Deploy Docker images as Cloud Run jobs on Google Cloud Platform (GCP) to enhance the scalability and performance of cloud-based applications.
• Perform Database Administrator (DBA) duties in the team, optimizing databases by creating table indexing and foreign keys, optimizing SQL queries, and enhancing backend data retrieval speed and system performance.

### Grader @ Columbia University
Jan 2024 – Jan 2025 | New York, New York, United States
• Evaluated student assignments, and coordinated instructional support with professors and TAs.

### Co Author @ UC San Diego
Jan 2021 – Jan 2023 | San Diego, California, United States
• Streamlined the OpenAI API to programmatically extract research characteristics including host, ethnic group, and research methodology
• Leveraged Python to gather a dataset of 18083 research papers from the Web of Science
Employed data cleaning, analysis, and visualization techniques using Python to aggregate the research dataset into a usable format
• Discovered patterns in migration research, which indicated that English publications tend to focus more on Global North issues
• Utilized unsupervised machine learning with an LDA model to classify research papers into different topics and draw insights from the data

### Research Assistant @ UC San Diego
Jan 2022 – Jan 2023 | San Diego, California, United States
• Used hyperfine EEG data to distinguish the regions of the superior temporal gyrus that process and hear words through machine learning algorithms
• Encoded 2.7 million EEG data from 9 different brain channels
• Built an SVM model for multiclass learning to find the mechanism of the cortex’s classification function for voice input tags in 4 general categories
• Produced results showing individual trials of hyperfine neural responses can differentiate different voice input categories despite the mean responses being the same for all categories

### Instructional Assistant for Cogs 14B(Introduction to Statistical Analysis) @ UC San Diego
Jan 2021 – Jan 2021 | San Diego, California, United States
• Guided weekly one-hour discussions for 20-30 students, emphasizing statistical analysis concepts and their applications in cognitive science


## Education
### M.A. in Statistics in Finance, General
Columbia University Graduate School of Arts and Sciences

### Bachelor's degree in Cognitive Science w/ Specialization in Machine Learning and Neural Computation | Data Science Minor
UC San Diego

### Bachelor of Science - BS in Cognitive Science
UC San Diego


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

---
Source: https://flows.cv/tianyuyu
JSON Resume: https://flows.cv/tianyuyu/resume.json
Last updated: 2026-04-05