# Johnny Chen

> Software Engineer@HeyGen

Location: Palo Alto, California, United States
Profile: https://flows.cv/johnnychen

B.S. in Electrical Engineering at National Taiwan University.
M.S. in Computational Data Science at Carnegie Mellon University.

## Work Experience
### Software Engineer @ HeyGen
Jan 2025 – Present | Palo Alto, California, United States

### Research Assistant @ Carnegie Mellon University
Jan 2024 – Jan 2024 | Pittsburgh, Pennsylvania, United States
● Extracted bond ratings from 1 million unstructured PDF data with 87% accuracy using an ensemble of LLMs 
● Conducted comprehensive data analysis on extracted interest rates and issuance costs, providing actionable financial insights

### Teaching Assistant @ Carnegie Mellon University
Jan 2024 – Jan 2024 | Pittsburgh, Pennsylvania, United States
● Developed and led a course covering machine learning topics and tools; offered to a class of 20 data scientists from the CIA 
● Created a wide range of assignments, including JAX, NLP, LLM fine-tuning, and CV with PyTorch and Tensorflow

### Software Engineer @ HHGalaxy
Jan 2022 – Jan 2023 | Taipei City, Taiwan
● Designed and constructed data pipeline to facilitate 1 million+ daily sales data extraction, transformation, and loading (ETL) 
● Updated company data warehouse daily on Google BigQuery with VMs hosted on GCP 
● Conducted time-series forecasting using ARIMA and XGBoost to predict demand for stock-keeping units (SKUs) 
● Leveraged market basket analysis to uncover cross-selling opportunities from customer purchase patterns 
● Automated personalized messaging to 1.9 million Shopee customers by developing a Python application

### Research Assistant @ National Taiwan University
Jan 2021 – Jan 2022 | Taipei, Taipei City, Taiwan
● Achieved intelligible speech synthesis using as little as 30 seconds of audio data when adapting to an unseen language; co-authored Few-Shot Cross-Lingual TTS Using Transferable Phoneme Embedding and accepted at INTERSPEECH 2022

### Teaching Assistant @ National Taiwan University
Jan 2021 – Jan 2021 | Taipei, Taipei City, Taiwan
Teaching assistant for the Machine Learning course


## Education
### Master of Science - MS in Computational Data Science
Carnegie Mellon University

### Bachelor's degree in Electrical Engineering
National Taiwan University


## Contact & Social
- LinkedIn: https://linkedin.com/in/johnny-chen-242882237

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