Yijun Liu

Graduate with backgrounds in Actuarial Science and Computer Science from SEMO, skilled in Python, Java, C++, and data analytics. Experienced in database management, machine learning, and data visualization. Interested in software engineering and data science roles applying analytics to solve business problems.

• University Management System | JavaScript, MySQL• Designed and developed backend database schemas to manage student records, course enrollment, and faculty information.• Built APIs to connect frontend and backend, improving data access and consistency.• Validated system performance under simulated loads, reducing manual errors by ~70%.World Data Visualization on AWS EC2 | Python, MySQL• Set up MySQL database on AWS EC2 and connected it with Python applications.• Designed queries to analyze global population and language distribution.• Produced interactive data visualizations with Google Charts for research presentation.Machine Learning Course Project | Python (scikit-learn)• Implemented classification models (Decision Trees, Random Forests, SVM) on benchmark datasets.• Compared accuracy and efficiency metrics to determine best-performing algorithms.Career Goal• Pursue a career in Software Engineering or Data Scienceunder OPT.• Focus on applying machine learning and analytics to solve real-world business problems.