Zhengyin Yang
Overview
2
2
years of professional experience
Work History
Math Tutor
09.2024 - 03.2025
- Provided individualized support to students who required additional help with understanding concepts or completing assignments.
- Developed positive relationships with students through individual interactions and recognition of accomplishments.
- Helped students develop problem-solving skills.
Intern
Beijing Xingguang Shengdian Cultural Media Co., Ltd.
07.2024 - 09.2024
- Collaborated in the software development team to design, write, and test code for the company’s internal organization system and customer-facing platform, improving task automation efficiency by 25%.
- Resolved 30+ software bugs and technical issues, reducing average troubleshooting time by 15% through improved debugging workflows.
- Actively communicated with other teams such as media & marketing
Undergraduate Research Assistant – Machine Learning
USC
07.2024 - 08.2024
- Mentored by PhD researcher, USC
- A decision tree classifier based on the ID3 algorithm was designed and implemented, which supports processing both discrete and continuous features, automatically selects the optimal splitting attribute, and effectively improves the classification accuracy.
- The recursive construction and pruning functions of the decision tree have been realized, preventing overfitting and enhancing the generalization ability of the model, making it suitable for classification tasks of multi-class datasets.
- The performance evaluation module of the decision tree model has been completed. Through cross-validation and confusion matrix analysis, a comprehensive assessment of the model's accuracy and recall rate has been achieved
Intern
Hebei Qi Tian Hotel
06.2023 - 09.2023
- Monitored system performance and resolve 20+ technical issues to maintain operational efficiency.
- Assisted in hardware and software installation projects, ensuring seamless functionality for front-desk and reservation systems used by 50+ staff members.
- Evaluated software products to determine compatibility with existing systems.
Education
Bachelor of Science - Computer Science
University of California San Diego
06.2027
Associate of Science - Computer Science
De Anza College
Cupertino, CA06.2025
Skills
- Programming Languages: C/C, Java, Python
- Developer Tools: VS Code, Visual Studio, Github
- Languages: English, Mandarin
- Patience and empathy
- Strong mathematical skills
- Collaborative learning
Timeline
Math Tutor
09.2024 - 03.2025
Intern
Beijing Xingguang Shengdian Cultural Media Co., Ltd.
07.2024 - 09.2024
Undergraduate Research Assistant – Machine Learning
USC
07.2024 - 08.2024
Intern
Hebei Qi Tian Hotel
06.2023 - 09.2023
Bachelor of Science - Computer Science
University of California San Diego
Associate of Science - Computer Science
De Anza College
Extracurricular activities
De Anza Big Brain Club member
Founder of Math Club-"Numbers Ninja"
Hobby
PC DIYer, Hiking
Hobby
PC DIYer, Hiking