Freelancer profile translated to English.

Description

Specialized in Data Analytics with a focus on Customer Strategy. Capable of designing end-to-end data pipelines. Expert in using Python (Pandas/SQLAlchemy) for ETL processes and Feature Engineering, relational database modeling in MySQL (Cohort Analysis, CTEs, and Window Functions), and creating BI solutions in Power BI using Star Schema architecture and advanced DAX measures. Focused on transforming anomalies and raw data into actionable insights for customer retention and profitability.

Languages

Spanish
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Madrid (up to 50km), Sevilla (up to 50km), Barcelona (up to 50km), Málaga (up to 50km), Valencia (up to 50km)

Carloteña de Asados,SL.
Treasury
October 2024 - June 2025 (8 months)
Córdoba, Spain
○ Control and analysis of invoices, prices, and stock. ○ Creation of reports and dashboards for management (Power BI). ○ Management of supplier payments with data validation. ○ Consolidation and debugging of information for internal reporting.
Pegasus Aerogroup.
CAMO
AVIATION AND AEROSPACE
August 2022 - October 2024 (2 years and 2 months)
Palma del Río, Spain
○ Analysis of aircraft and their components for activity planning. ○ Management and registration of technical and logistical data of aircraft. ○ Extraction and query of maintenance data using SQL to optimize decisions and reports.
Servinform, SA
ATR invoicing in SAP.
January 2022 - August 2022 (7 months)
Sevilla, Spain
Extraction and validation of invoicing data in SAP. Analysis of incidents in ATR processes. Generation of project monitoring reports. Data quality control in ERP implementation.