● Conducted advanced data analysis to support cross-department decision-making, improving operational efficiency by 40%● Developed and optimized comprehensive BI reports using PowerBI and Google Data Looker, reducing resources and time for the refreshing process by 40%● Revised and arranged all reports into a hierarchical structure, centralizing them to improve accessibility by 50%● Designed, implemented, and maintained robust ETL pipelines, enhancing data integrity and accessibility● Worked directly with other departments to gather report requirements, ensuring accurate and relevant data insights● Worked closely with cross-functional teams to ensure data quality and consistency in reporting● Conducted and converted ad-hoc data requests into systematic reports, increasing data availability by 60%● Researched and integrated technologies to automate routine tasks, saving approximately 10 hours per week● Assisted developers and testers with database activities, ensuring smooth integration and performance● Optimized SQL queries for developers, reducing the execution time of a legacy query by 45%● Provided training and mentorship to junior data analysts, fostering continuous learning and improvement● Enthusiastic about AI generation, continuously exploring new AI technologies and applications

● Worked on a Data Warehousing project utilizing Kafka for message streaming● Developed and used stored procedures to transform raw data into meaningful information within the data warehouse● Created front-end reports on top of the data warehouse for end-users to analyze data● Utilized BI tools such as Logi and Qlik for reporting and data visualization● Familiar with programming languages including .NET and Java● Proficient in SQL languages, specifically PostgreSQL● Employed various technologies such as AWS, Kafka, ETL processes, and version control systems (GitHub, GitLab)● Served as the main developer, contributing to new features and maintaining testing environments for development and test processes● Coordinated with overseas technical teams to ensure smooth project execution and collaboration

● Developed and maintained the server-side components of the TalkTV web server