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Javier F. MartínezJF

Javier F. Martínez

Supermalter

Power BI Dev. & Artificial Intelligence Consultant

€390/day
17 projects
Madrid, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Javier F.

I am a Senior Computer Engineer specializing as a Business Intelligence Consultant and certified in Power BI by Microsoft. Over 15 years of experience in the sector, with the last 6 specific to Power BI. I create Dashboards from initial phases, performing design, data connections, information modeling, metric and indicator implementation, UX, production deployment, and maintenance in PBiService... In short, the entire report lifecycle, from an initial idea to the final solution. I have a great ability to analyze client business requirements and provide easy, fast, and above all, useful solutions.
  • English

    Fluent

  • Spanish

    Native or bilingual

  • French

    Conversational

Can work on-site
Madrid (up to 50km)

Experience

  • Alía Gestión Integral de Servicios S.L.U.
    Malt logoOn Malt
    Development, evolution, and maintenance of Dashboards with PowerBI
    March 2022 - July 2023 (1 year and 4 months)
    Throughout the last year, I have worked on all phases of dashboard development for the company, commercial, operations, HR...
    Powerbi Microsoft Excel Business Intelligence Business Analysis SQL Data Analysis Data Visualization Data Visualization Microsoft Power BI SAP ERP Power Query
  • Ninpo
    Power BI Solution Developer
    E-COMMERCE
    January 2019 - June 2021 (2 years and 6 months)
    Madrid, Spain
    Design and development of the data model and user interface for client dashboards:
    -Modeling
    -DAX creation and improvement
    -Form creation
    -Power BI Services management
    Microsoft Power BI DAX Java EE SQL PostgreSQL
  • Prosegur
    BI Consultant
    LOGISTICS AND SUPPLY CHAIN
    January 2012 - January 2019 (7 years)
    Madrid, Spain
    Creation of a business dashboard for measuring operation efficiency and productivity
    Business Intelligence Microsoft Power BI Microsoft Excel

Reviews

4.9

Out of 7 ratings

R

Raquel

Resposanble de reporting en Air Dominance - INDRA DEFENSA

Several months project

-

Reviewed on 1/23/2026

Javier is a very polite person, always willing to solve problems, to make evolutions, and always responding on time even when deadlines are very tight.
PenélopeP

Penélope

Saint Gobain España

Reviewed on 11/13/2025

Javier is very proactive, which makes him very easy to work with, also incorporating ideas into the project based on his experience that make it even better than the original idea.

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Certifications

  • Power BI Consultant
    microsoft
    2021

Skill set

Categories