Applied historical data and a 95% confidence interval methodology to calculate expected price ranges for gas and electricity, directly supporting the company's energy profitability and market risk assessments. Supported the risk coordinator in preparing analytical reports and managing documentation for the risk management department. Collaborated with the team to gather feedback and propose improvements for the risk management department's webpage.

Assisted in daily accounting operations, including the registration and monitoring of accounts receivable and payable. Analyzed consumer payment behaviors and product return rates across multiple online sales platforms to support business decision-making. Developed a Python script to consolidate sales data from multiple formats into a unified Excel spreadsheet, improving reporting efficiency and data accuracy.

Led the implementation of a new accounting and invoicing software, improving operational efficiency and internal controls. Managed tax preparation and filing processes, ensuring timely and accurate compliance with Ecuadorian tax authority (SRI) regulations. Developed a demand forecasting and inventory analysis model in Python using historical data, improving purchasing planning and supporting key financial decisions. Prepared the official medicine pricing report submitted to the Ministry of Public Health.

Supported the design and execution of advertising campaigns for credit card promotion, contributing to customer acquisition initiatives. Conducted data management and segmentation analysis to identify and target high-value customer profiles. Tracked and reported campaign KPIs to identify successful strategies and allocate rewards accordingly.

Evaluated partnership proposals with financial institutions for co-branded credit card issuance, assessing value for both the company and end consumers. Assisted in migrating the banking and investor contact database from Excel to Salesforce, improving data governance and CRM efficiency. Built Excel-based control dashboards using pivot tables, macros, and VBA to monitor credit portfolio performance and support treasury reporting.