# Tzu-Chun (Angela) Hsieh

> Software Engineer building AI | Duke Alumni

Location: Cupertino, California, United States
Profile: https://flows.cv/tzuchun

In-depth technical knowledge in Software Engineering for 3 years:
Python, Linux, React, docker, ASP.NET, Vue, Django, Java
Language: Python, C#, SQL, Javascript, Java, C, C++, R
Machine Learning, Deep Learning, and Statistic Modeling.

Used to be in the advertising industry for 4 years, working for the biggest Japanese agency.
Expert in Google Ads (SEM, Display), Yahoo Gemini, and Facebook Ads.

## Work Experience
### Software Engineer II - AI Infrastructure @ BILL
Jan 2024 – Present | San Jose, California, United States

### Software Engineer II @ Watershed Informatics
Jan 2023 – Jan 2024 | Cambridge, Massachusetts, United States
Full-stack engineer focus on Python backend and Linux system development.
• Design and build Python packages and REST API
• Develop and integrate tailored Docker images of 3rd party services with our Python platform
• Facilitate seamless data sharing by leveraging Linux user permissions and Access Control Lists (ACLs)

### Software Engineer @ PathAI
Jan 2021 – Jan 2023 | Boston, Massachusetts, United States
Full-stack engineer who develops and maintains web applications, APIs, channels, and manages databases.

• Resolved data inconsistency between lab information system (LIS) and AI platform by building APS.NET APIs, Mirth, and MySQL for status update and resent. 
• Automated task assignments by implementing task queue using Celery with RabbitMQ within Django.
• Established dynamic configuration management in the email delivery system and upgraded the framework from .Net 3.5 to .Net 4.8.
• Implemented a nested filtering function through Restful APIs with Django and provided UI using Vue.
• Developed diagnosis and reporting features in LIS using C#, which increased diagnosis efficiency and reduced vendor costs by decoupling the system from the 3rd-party solution.
• Built a permission and diagnosis Macros management system with a UI using MS SQL and ASP.NET.

### Data Science Research Assistant @ Duke University
Jan 2020 – Jan 2020 | Durham, North Carolina, United States
Duke Data+ is a summer program that teams up undergrad and master students to work on data science projects.

Researched and developed a taste similarity algorithm for children's food preferences using PyTorch-based dimension reduction (PCA, t-SNE, factor analysis) and unsupervised learning (K-means, autoencoder) by analyzing food preference survey data, which provides insights into the preferences of children with eating disorders.

Built an interactive InfoGraph using Javascript to provide users with personalized food recommendations, eliminating the need for a nutritionist consultation.

### Digital Marketing Project Lead @ CyberAgent, Inc.
Jan 2016 – Jan 2018 | Taipei City, Taiwan
• Led a team of 5 to develop and execute digital marketing strategies including market analysis, advertising media planning, creative ideas, advertisement budget control, and future prospect.
• Optimized ads performance of Google Ads, Bing Ads, Yahoo Gemini by analyzing ad performance data and A/B Testing biding, target audience, creative ideas, landing pages, etc.
• Raised the profit of online ad campaigns by up to 50% and improved sales by up to 100% for 10+ companies in various industries.
• Awarded by Oath Inc. with YAHOO Monthly Best Native Ads in August 2017.

### Advertisement Strategic Planner @ Hakuhodo
Jan 2014 – Jan 2016 | Taipei City, Taiwan
•	Analyzed consumer behavior and recent latest market trends to develop new advertising strategies for 20 clients from 15 industries including cosmetic, retail, fast food chain, and automotive
•	Completed approximately 80 marketing reports for clients by designing and conducting surveys as well as collecting and analyzing data from government and marketing research companies

### Software Engineer Intern @ Works Applications Co., Ltd.
Jan 2014 – Jan 2014 | Within 23 wards, Tokyo, Japan
•	Designed a computer program for theme parks to automatically analyze customer satisfactions and coded it with the specific programming language invented by exclusively used in the company


## Education
### Master's degree in Interdisciplinary Data Science
Duke University

### Bachelor of Arts - BA in Economics
National Taiwan University

### Credited Coursework
National Tsing Hua University

### Credited Coursework
National Chiao Tung University

### Exchange student
Doshisha University


## Contact & Social
- LinkedIn: https://linkedin.com/in/tzuchun-hsieh-duke
- GitHub: https://github.com/angela18199

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