Maarten V.

Business Intelligence Developer

Marten is a Business Intelligence Developer dedicated to helping organizations unlock the full potential of their data for informed decision-making.

His mission is to exceed end-user expectations by delivering fast, reliable, and insightful reporting solutions. Known for his proactive approach, results-driven mindset, and commitment to excellence, he consistently adds value to the teams he collaborates with.

His expertise spans Power BI, SQL (T-SQL), SSAS, Azure Data Factory, and DAX, enabling him to develop tailored BI solutions that drive business success.

One of Marten’s most notable achievements is delivering a C-suite financial reporting solution for FMCG scale-up Tony’s Chocolonely, providing executives with real-time insights to support strategic decision-making.

Principale expertise

  • SQL
    SQL 5 ans
  • Microsoft Power BI
    Microsoft Power BI 6 ans
  • Microsoft Fabric
    Microsoft Fabric 5 ans

Autres compétences

  • REST API
    REST API 2 ans
  • Azure Data Factory
    Azure Data Factory 2 ans
  • Microsoft Dynamics 365
    Microsoft Dynamics 365 1 ans
Maarten

Maarten V.

Spain

Commencer

Expérience sélectionnée

Emploi

  • Business Intelligence Developer

    St. Antonius Ziekenhuis (Hospital) - 1 an 2 mois

    • Collaborates as a member of a scrum team to deliver BI products that support medical professionals in enhancing the quality of their services;

    • Converts functional requirements into SQL scripts within the Data Warehouse (DWH);

    • Maintains over 25 SSAS tabular models to ensure data integrity and performance;

    • Optimizes Power BI reports for usability and efficiency. Acts as a DevOps release manager, overseeing daily build, release, and refresh processes.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
  • Business Analyst

    Tony's Chocolonely - 10 mois

    • Identifies and addresses technical debt within the organization’s golden analysis services cube;

    • Develop new BI products, including A Financial Report that integrates Excel-based master data with general ledger numbers from the ERP;

    • A Market Tracker to benchmark the organization's sales performance against key competitors;

    • Supports the BI team in adopting best practices for agile and DevOps, including Utilizing backlogs and conducting sprints;

    • Implementing a robust release process with pull requests and formalized user acceptance testing.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
    • Microsoft Dynamics 365 Microsoft Dynamics 365
  • Businesse Intelligence Developer

    Performation - 9 mois

    • Develops and maintains a Covid-19-related data platform for Dutch regional health services;

    • Fulfills reporting needs for clients and external stakeholders, including labs and the Ministry;

    • Creates and manages over 50 Power BI reports with live connections to on-premises SSAS cubes;

    • Ensures data consistency and accuracy by feeding SSAS cubes with data from SQL databases using stored procedures;

    • Implements and manages business logic primarily written in SQL to support data-driven insights and reporting.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
  • Business Intelligence Developer

    NN Investment Partners - 3 mois

    • Worked on standardizing reports within the department by establishing Power BI as the default visualization tool;

    • Built a golden Power BI dataset to serve as a central resource for creating dashboards and paginated reports for both internal and external stakeholders;

    • Developed a proof of concept dashboard based on the golden dataset to demonstrate its effectiveness to external stakeholders.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
  • Microsoft Power BI Developer

    NS - 1 an 2 mois

    • Developed a central Power BI report for IT analytics and KPIs, tailored to the needs of IT developer teams;

    • Extracted data from five key sources: ServiceNow, Mendix, GRC Control, Jira, and Azure DevOps, using Power BI Data Flows (Power Query) and REST API calls for complex queries;

    • Combined source data with mapping files in a tabular model and implemented DAX calculations for KPIs;

    • Designed and visualized a 20-page Power BI report, ensuring clarity and ease of navigation;

    • Built a proof-of-concept Azure solution for granular data ingestion, leveraging: Azure Data Factory Pipelines: For incremental data ingestion. Stored Procedures: For data transformation. Azure SQL: For storing and querying the processed data.

    Les technologies:

    • Les technologies:
    • Microsoft Power BI Microsoft Power BI
    • REST API REST API
    • Azure Data Factory Azure Data Factory
  • Microsoft Power BI Consultant

    The HEINEKEN Company - 1 an 5 mois

    Global Media Hub

    • Developed a centralized, enterprise-level platform for decentralized data and analytics from Facebook, Google, and finance departments;

    • Extracted and validated raw data from SAP HANA views using Power BI dataflow;

    • Collected business requirements from stakeholders to design and implement the necessary mapping and DAX logic for a harmonized tabular Power BI model;

    • Enforced data security by implementing row-level security in the Power BI model;

    • Created 9 Power BI reports for both internal and external stakeholders, serving 840 users across 65 countries.

    Customer Data Platform Italy

    • Collaborated with Heineken Italy’s marketing team to gain insights into digital customers and identify reporting needs;

    • Partnered with a data engineer to convert raw JSON data into structured tables using Azure Data Factory and Databricks;

    • Designed Power BI reports that utilized structured data stored in Azure SQL databases.

    Covid-19 Supply Chain & Procurement

    • Collaborated with an agile team to provide senior management with real-time insights into operational risks during the COVID-19 pandemic;

    • Built a Microsoft Power App to standardize risk reporting and updating by international HQ and local officers;

    • Combined risk data from the Power App with historical supply chain data in Azure SQL, creating a comprehensive dataset for analysis in Power BI;

    • Delivered the first report within one month, followed by iterative expansions that incorporated financial risk, inventory, and logistics data;

    • Supported over 300 users in mitigating COVID-19-related bottlenecks within their operations.

    Treasury Dashboards

    • Eliminated manual effort and inefficiencies in Excel reporting for the Treasury team;

    • Translated business logic and calculations into four fully automated Power BI reports;

    • Used Power Query to ingest flat files and applied DAX for calculations and data modeling.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
  • BI Consultant

    SPAR INTERNATIONAL | Hired via IT-consultancy firm Macaw - 2 mois

    • Delivered a set of pre-defined Profit & Loss (P&L), Sales, and Inventory reports in Power BI as requested by the customer;

    • Connected to an on-prem SQL server using a Power BI gateway to extract ERP data required for the reports;

    • Ensured timely delivery by bringing the reports to production within two months;

    • Designed reports to meet the needs of both senior management and staff across commerce, purchasing, and finance departments.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
  • BI Project Lead

    INVENTUM - 2 mois

    • Designed and developed a dashboard using JasperSoft Studio to address the logistical and financial analytics needs of a boiler factory;

    • Integrated ERP data from an on-prem SQL database to create a comprehensive and actionable analytics platform;

    • Ensured the dashboard provided clear insights tailored to the factory's operational and financial decision-making processes.

    Les technologies:

    • Les technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI

Éducation

  • MaĂ®trise ès sciencesDevelopment Management

    The London School of Economics and Political Science (LSE) · 2007 - 2008

  • License ès sciencesSocial Science

    University College Utrecht · 2002 - 2005

Trouvez votre prochain développeur en quelques jours et non sur plusieurs mois

Dans un court appel de 25 minutes, nous voulons:

  • Comprendre vos besoins en dĂ©veloppement
  • Vous expliquez comment nous allons vous mettre en relation avec le dĂ©veloppeur le mieux qualifiĂ© pour votre projet, sĂ©lectionnĂ© avec soin
  • Vous indiquez nos prochaines dĂ©marches afin de vous trouver le meilleur dĂ©veloppeur, souvent en moins d'une semaine

Contactez-nous