Ethan Lee

Dubois Lee Data Engineer | Python, R, SQL -  Hong Kong SUMMARY STRENGTHS Enthusiastic Data Engineer with over 8 years of experience in designing efficient data architectures, deploying sophisticated data structures and processing pipelines. Proficient in Python, SQL, data mining techniques, and various distributed computing tools. Enhanced data quality by 15% and improved data processing speed by 40%. 0 EXPERIENCE Developed algorithms to manage large sets of metadata, increased efficiency in data processing by 35%.  Hong Kong Designed and deployed sophisticated data structures for optimized data processing. • Delivered ETL pipeline solutions for two clients, reducing data processing time by 20% and saving 15 hours weekly. • Built a machine learning proof of concept, increasing client task automation efficiency by 25%. • Created a Tableau dashboard for sales analysis, enabling a small business to track monthly revenue growth of 10%. Data Analyst 2018 - 2023 Problem-Solving Skills Leveraged advanced data mining techniques to resolve complex data related issues resulting in improved data quality. Freelance Data Scientist 08/2023 - 12/2024 Analytical Thinking Hong Kong Implemented systems and software to solve complex data related challenges. • Managed datasets of over 10 million records, maintaining 99.9% data accuracy. • Developed predictive models that improved business forecast accuracy by 15%, contributing to $2M in revenue growth. • Built visual dashboards viewed by 50+ executives monthly, increasing data accessibility by 40%. SKILLS R Python SQL Data Architecture Statistical And Data Mining Techniques Kafka MySQL ETL Spark Gurobi Machine Learning Tableau CERTIFICATION Certified Apache Spark Developer Tableau Desktop Specialist Junior Data Scientist 2015 - 2018 Hong Kong Developing efficient data architectures and techniques for large scale data operations. • Assisted in developing customer segmentation models that increased marketing ROI by 20%. • Processed datasets exceeding 5TB, identifying trends that boosted operational efficiency by 10%. • Designed automated reporting systems that reduced manual work by 50%, saving 100+ hours per month. PASSIONS b Data Science Passionate about the potential of data science in solving complex problems.  Outdoor Hiking Enjoy exploring the Rockies and other hiking trails during the weekends. EDUCATION Diploma in Data Science Hong Kong Polytechnic University 2013 - 2015 Hong Kong Diploma in Chemical Studies Hong Kong Institute of Vocational Education 2011 - 2013 Hong Kong LANGUAGES English Proficient Japanese Advanced