About Jorge
I'm a freelance Business Intelligence and Data Analytics Consultant with experience delivering end-to-end data solutions for companies across industries (Banking & Retail sector expertise). Transform complex data into clear insights using modern tools.
💼 What I do:
- Build Power BI dashboards with advanced DAX and custom visuals
- Create ETL pipelines in Python using IA tools (Ollama3.1, OpenAI API)
- Advanced Database Management (SQL) for large databases (SQLServer, Snowflake, Fabric)
🛠 Tools & Tech:
Power BI | SQL | Python | Azure | Power Query | API | Snowflake
Based in Madrid | Remote worldwide
Let’s make your data work smarter
Spanish
Native or bilingual
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- Excelia S.LSenior Data & AI Consultant IIITECHDecember 2023 - Today (2 years and 6 months)Madrid, SpainTeam Management and Leadership: Led teams within projects, from gathering requirements and presenting the main solution to clients, to managing key tasks within the team.Cloud-Based ETL and Data Processing: Designed and implemented ETL pipelines using Python in Azure Synapse, optimizing data transformation, automation, and large-scale data processing for business intelligence applications.Lecturer – Power BI Workshops & Bootcamps [+30h]: Delivered specialized training sessions on Power BI, covering data modeling, visualization techniques, and advanced DAX query development.End-to-End Business Intelligence & ETL Optimization: Designed and implemented BI solutions in Power BI, integrating multiple data sources (SQL Server, Snowflake, APIs, JSON, Web, Azure). Optimized ETL processes using Dataflows, M language, and parameterization to enhance efficiency and data modeling accuracy.Advanced Analytics & Database Management: Managed and optimized relational databases by creating and maintaining views, tables, and stored procedures to enhance data retrieval and ensure efficient administration. Developed and optimized complex SQL queries (CTEs, temporary tables, joins, indexing strategies) to improve performance and scalability. Extensive experience working with complex data models in Power BI with large datasets. Developed advanced DAX calculations (Aggregation, Iteration, Time Intelligence, Modeling functions) to drive insightful and performant analytics.Power BI Dashboard Management & Automation: Designed, developed, and maintained interactive Power BI dashboards, ensuring scalability and usability across different versions of Power BI (PBIX, PBIT, PBIP, PBIR). Automated report generation and data refresh processes to improve efficiency and reduce manual workload.
- EY – Ernst & YoungJunior Data Analyst IIIBANKING AND INSURANCESeptember 2022 - December 2023 (1 year and 3 months)Madrid, SpainExperience in Data Modelling and Model Management in Power BI together with Dashboard generation for strategic decision making, applying advanced SQL skills.Experience in design and implementation of data strategy model, ensuring data security, integrity and traceability
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Education
- Master's Degree in Engineering for Industrial TechnologiesUniversidad Pontificia Comillas2022Master's Degree in Engineering for Industrial Technologies
- Erasmus Student (1 Year)University of ZagrebErasmus Student (1 Year)