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**Tsun Ming Liu**
Los Angeles, CA
(669) 377-4668
tsunmingliu2024@gmail.com
### **EDUCATION**
**University of California, Los Angeles**
B.S. in Math of Computation, Minor in Data Science Engineering
Expected Jun. 2024
### **WORK EXPERIENCE**
**Trusetic** | Los Angeles, CA
*Software Engineer Intern* | Jun. 2023 – Sep. 2023
- Launched [https://www.trusetic.com/](https://www.trusetic.com/) from scratch as a **React** web app with server-side operations using **Java SpringBoot, MongoDB, PostgreSQL**
- Designed a scalable **RESTful API** with **Swagger-UI**, improving development time by **15%**
- Developed a **Node.js** testing SDK, boosting ML team efficiency by **20%**
- Deployed **Jupyter Lab** on **AWS EC2** via **Kubernetes** and **Nginx**, enabling interactive use of **Generative AI LLM** on **AWS SageMaker**
**Amazon** | Seattle, WA
*Business Analyst Intern* | Dec. 2021 – Feb. 2022
- Analyzed Amazon’s India market expansion using **MySQL**, increasing seller retention by **5%**
- Applied **k-means clustering** and **RFM model** for user segmentation
- Enhanced product recommendations with **Apriori algorithm**, projected to boost holiday sales by **10%**
**Yival AI** | San Francisco, CA
*Software Engineer Intern* | Feb. 2024 – Present
- Enhanced **Vue.js** frontend for AI-generated content regeneration via **Java Spring** and **Python** backends
- Developed **Python** scripts for backend testing, ensuring system reliability
### **PROJECTS**
**Car-meet App (MERN Stack)** | Sep. 2022 – Dec. 2022
- Built a **React.js, Express.js, Node.js, MongoDB** app for car enthusiasts with real-time chat and NLP-based matching
- Led backend **API** and database development
**COVID-19 Detection Model from X-ray Films** | Jun. 2021 – Aug. 2021
- Trained a **TensorFlow** model on **15,000+ NIH cases**, achieving **97% accuracy**
**Gift Recommendation Android App (MERN Stack)** | Jun. 2022 – Aug. 2022
- Developed a **React Native** app with **NLP/CNN** for personalized gift suggestions
- Integrated **Ajax** and **Mongoose** for seamless server-database communication
### **SKILLS**
**Programming Languages:** C++, C, Java, Python (PyTorch, TensorFlow), HTML/CSS, JavaScript/TypeScript
**Frameworks & Libraries:** React.js, Vue.js, SpringBoot, Express.js, FastAPI, Unity
**Databases:** MySQL, MongoDB, PostgreSQL, AWS (S3, EC2, Redshift), Redis
**Tools:** Docker, Kubernetes, Apache Spark, Linux, Git, JupyterHub, AWS SageMaker
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