As a Data Scientist at Serviall, I led the reengineering of our data lake on AWS, optimizing its functionality and creating a comprehensive roadmap for the next version. My role involved:Data Lake Reengineering: Spearheaded the redesign and enhancement of the data lake infrastructure on AWS, ensuring scalability, reliability, and efficient data management.Roadmap Development: Developed a detailed roadmap for future improvements and upgrades to the data lake, aligning with the company's strategic goals.BI Team Support: Collaborated closely with the Business Intelligence team, providing analytical support and developing models for various studies and required topics.Data Exploration: Conducted in-depth data exploration to uncover insights and trends, facilitating data-driven decision-making processes.

Designing strategies for users growth and retention based on monthly active users, new users, company KPI's and performance based goals. Supporting analytics for developers team by monitoring new features productivity. Supporting analytics for CRM and SEO strategies by identifying users behavior and preferences.

20% of sales obtained after marketing campaigns targeting CRM clients.Managed data-related to CRM clients and transactions to ensure quality and made it always availableWorked with stakeholders to develop quarterly roadmaps based on impact, effort and test coordinationsUtilized advanced querying, visualization and analytics tools to analyze and process complex data setsDiscovered stories told by data to present information to scientists and business managersIdentified, measured and recommended improvement strategies for KPIs across business areas

Created mathematical and statistical models using R and Python to improve operational efficiency, generate automatic alerts and indicators, and process data to high quality standardsImproved Antioquia CarTax database, increasing quality and amount of people available to pay taxImproved operational database, increasing reliability of process automation. Worked with stakeholders to develop quarterly roadmaps based on impact, effort and test coordinations