Tomás Fróis Duarte

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert

Language

English
Fluent
Portuguese
Fluent
Spanish; Castilian
Fluent
French
Beginner

Work Experience

Data Analyst at KPMG
September 1, 2023 - November 5, 2025
Engineered ETL processes and executed substantive tests in the financial sector, including reperformance and implementation of models to assess financial performance. Worked with SQL Server supporting Business Intelligence and Data Warehouse initiatives. Participated in a 6-month data quality assessment for financial institutions in Angola (on-site), applying R, Python and reviewed C# code to ensure data integrity and regulatory compliance. Conducted in-depth analysis of large and complex data volumes using advanced analytics platforms. Developed data quality, completeness and control tests to maintain data integrity and robust validation frameworks. Led client meetings to validate and extract data from diverse enterprise systems (Oracle, SAS, Banka), ensuring data integrity and reliability for analysis and reporting. Supervised a junior data analyst, providing expertise in data processing and performance optimization. Collaborated with cross-functional and international teams to optim
Business Analyst at Portuguese Central Bank
August 1, 2023 - August 1, 2023
Worked with SQL to process and manage data, ensuring accurate transformation for decision-making. Developed two Microsoft Power BI dashboards to visualize and analyse fraud data reported by Portuguese banks while actively contributing to the identification of key aggregation metrics to enhance data insights.

Education

Master of Science in Data Science - Business Analytics at CLSBE - Católica Lisbon School of Business & Economics
September 1, 2022 - February 1, 2024
Bachelor of Science in Management at ISEG - Lisbon School of Economics and Management
September 1, 2019 - August 1, 2022
Exchange Program at UAntwerp - Faculty of Business and Economics
September 1, 2021 - February 1, 2022

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Non-Profit Organization, Professional Services, Education, Software & Internet