lenzyh

-Led the creation and maintenance of interactive Tableau dashboards that tracked key business metrics and user engagement trends. -Spearheaded end-to-end data science projects on AWS, leveraging services such as S3, Redshift, and AWS Glue to build scalable data pipelines and seamlessly integrate with Tableau for real-time visualizations and robust data governance. -Conducted in-depth exploratory data analysis and feature engineering, using Python and AWS SageMaker to build, validate, and deploy advanced predictive models. This included developing a reactivation model that boosted monthly reactivation rates by approximately 20% through rigorous hyperparameter tuning and model evaluation. Applied cutting-edge machine learning techniques—ranging from traditional algorithms to deep learning frameworks—to derive actionable insights, continuously monitoring and retraining models to adapt to evolving business requirements. -Build and maintain data pipelines and maintain data framework using Snowflake Data Warehouse or AWS. -Mentored new joiners and junior analysts, fostering their development and integration into the team.

-Assisted in the migration from Google Data Studio (Looker Studio) to Tableau. -Completed tasks involving ETL processes and analysis reporting assigned. -Helped ensure the dashboard's data refresh rates were maintained accurately. -Proposed automation strategies that streamlined data integration tasks, reducing manual workload and accelerating insights generation. -Collaborated closely with Compliance, Marketing, and key Stakeholders to translate complex data findings into strategic recommendations, ensuring data-driven decision-making that supports company growth and operational excellence. -Mentored team members in data science methodologies and AWS cloud tools, fostering a culture of innovation and technical excellence by sharing best practices in model development, performance optimization, and scalable data management.

-Using Python Programming to perform data cleaning and analysis. -Using Microsoft Power BI to produce dashboard for the company.