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Daniel CastilloDC

Daniel Castillo

Supermalter

Power BI Developer | Reporting & Dashboards

€285/day
5 projects
Madrid, ES
3-7 years

Average response time: 4 hours

Freelancer profile translated to English.
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About Daniel

Expert in Power BI and Business Intelligence, specializing in the creation of analytical models, dashboards, and end-to-end solutions.

Over 4 years of experience working with Power BI, focusing on DAX, data modeling, Power Query, and performance optimization.

Solid knowledge of SQL and cloud platforms (Azure, AWS, GCP) as a support layer for Power BI solutions, without developing projects outside this environment.

Works exclusively on projects where Power BI is the primary tool.
  • Spanish

    Native or bilingual

  • English

    Basic

Remote only
Primarily works remotely

Experience

  • MOEVE
    Senior Power BI Developer
    ENERGY AND UTILITIES
    November 2025 - April 2026 (5 months)
    Development of reports and dashboards in Power BI for their Contact Center operations: data modeling on AWS, definition of business KPIs, and creation of DAX measures for activity tracking (IVR, call volume, Home and Auto portfolio renewals), optimization of report performance, and automation of distribution for operations and business teams.
    DAX AWS Microsoft Power BI SQL Data Visualization
  • Hipoges
    Senior Power BI Developer
    REAL ESTATE
    October 2025 - April 2026 (6 months)
    Development of reports and dashboards in Power BI for their international operations: data modeling and transformation from different geographies, definition of business KPIs and DAX measures for tracking servicing and portfolio management activities, with performance optimization and automation of report distribution for operations and business teams in different countries.
    Business Intelligence Microsoft Power BI Power BI DAX Tableau Software DAX Language
  • MAPFRE ESPAÑA
    Malt logoOn Malt
    Senior Power BI Developer
    BANKING AND INSURANCE
    July 2025 - December 2025 (5 months)
    Design and development of reports in Power BI for MAPFRE, focusing on building dashboards for management and technical teams. Implemented DAX measures, calculated tables, and dynamic slicers for policy and operational KPI analysis.
    The project included data validation and technical documentation.
    PowerBI Power BI DAX Microsoft Power BI DAX Language

Recommendations

Iván BarrioIB
SH
Pablo Negrín JiménezPN
+3
Iván Barrio and 5 other people have recommended Daniel

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Education

  • Master Data Analyst
    Pontia.Tech
    2021
  • Advanced DAX Courses
    Dadata
    2021
    Lenguaje DAX Avanzado

Certifications

Skill set

Categories