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Developed and maintained the company's website, managing some back-end tasks using Python, JavaScript, and React.Enhance UX and UI design, improving the overall user experience.Help managing MySQL databases for orders and customer information, improve data query and storage efficiency.Used the React framework to develop dynamic user interfaces and maintained RESTful APIs to provide reliable data interfaces for the front end, enhancing user interaction experience.Helped utilize AWS services to streamline the development and deployment process, ensuring consistent test coverage.Managed an 8-person team, demonstrating strong communication, adaptability, and leadership skills, familiarized with business operations.

Utilized Python and SQL to automate data extraction and transformation processes, constructed and managed data warehouses, consolidating data assets.Integrated Jenkins for continuous integration and deployment (CI/CD) to streamline the development and deployment process, ensuring consistent test coverage.Assist with causal analysis projects, mainly through A/B testing, to measure the incremental value of business and tech initiatives, pushing a data-first delivery mechanism.

Developed and optimized recommendation algorithms using collaborative filtering and content-based filtering, improving user engagement by 15%.Used machine learning models to enhance the accuracy of personalized content recommendations, leading to a 10% increase in user retention.Researched and integrated computer vision techniques for automated content tagging, significantly enhancing the user experience with innovative features.