Aker Aragón Paz

Senior Data Engineer & Financial Analyst

Professional with over 15 years of experience in data analytics, combining robust data engineering, deep financial analysis, and Business Intelligence.

Currently performing a high-level hybrid role: as a Senior Data Engineer at IAG creating critical cloud pipelines, and maintaining an active consultancy practice in financial analytics. Expert in transforming complex data into business decisions using Python, AWS, Snowflake/ClickHouse, and Power BI.

Professional Experience

Senior Data Engineer
Jan 2023 - Present | Barcelona
International Airlines Group (IAG)
  • Development of full automation workflows AWS/Airflow/dbt for financial data at International Airlines Group (Part of the Common Data Layer Team).
  • Use of serverless AWS infrastructure (S3, Lambdas) for efficient data processing.
  • Complex data modeling in Snowflake/ClickHouse SQL and ETL/ELT processes in Python.
Senior Data Analyst (Finance)
2014 - Present | Independent Contractor
Business & Data Consultancy

Concurrent management of strategic clients with two main business lines:

SUNCAPITAL MANAGEMENT S.L. (2014 - Present)
  • Business Intelligence: Creation and implementation of ad-hoc reporting solutions and KPIs with MS Power BI interface for comprehensive Tax management operations.
  • Fiscal Budgeting: Machine Learning and Data Science for implementing fiscal variable forecasting models for large clients.
SONAR CAPITAL LTD (2014 - 2020)
  • Financial data analysis for investment portfolio valuation and management. Creation and implementation of company valuation models.
  • Creation of reporting systems based on MS Power BI for KPI presentation to investors.
  • Applications in .Net Core and SQL Server for treasury management and internal management.
Data Analyst (Energy Markets)
2012 - 2013 | Barcelona
AleaSoft S.L.
  • Reporting of Energy price forecasts in various European markets.
  • Statistical analysis of predictive variables for price forecasting models.
Intraday Stock Trader
2008 - 2012 | Barcelona
World Trade Securities S.L.
  • Buy and sell decisions in Nasdaq, Nyse, Amex markets.
  • Implementation and selection of strategies based on statistical arbitrage and multivariate data analysis.
  • Stack: Sterling Trader Platform, SPSS, Matlab, Python, MS Excel.

Education