Business Intelligence Developer

OneSource Consulting; Antwerpen; Sur place; EUR 60 000 - 90 000; Plein temps

Résumé du poste

OneSource Consulting in Belgium seeks a versatile Data Engineer / BI Developer to build robust data pipelines and transform data into actionable insights using Power BI. You will migrate data pipelines, model data, and develop dashboards for operational and strategic use, collaborating with data engineers, architects, and business stakeholders.

Dutch language proficiency at C2 level is required. The role focuses on end-to-end data solutions from raw data to insights, employing Fabric or Azure

Qualifications

• Proven experience as a BI Consultant or BI Developer.
• Strong data modeling and ETL design skills.
• Experience with Power BI datasets and dashboards.
• Proficiency in SQL and Python for data processing.
• Knowledge of Microsoft Fabric/Azure data stack (Data Factory, Synapse, Fabric).
• Ability to translate business questions into data models and visualizations.
• Dutch language at CEFR level C2.

Responsabilités

• Migrate existing data pipelines and data warehouse structures.
• Develop and maintain data pipelines and transformations.
• Model data using Kimball, Inmon, or Data Vault methods.
• Develop SQL- and Python-based data processing logic.
• Work with Fabric, Databricks, and dbt; adopt best practices in versioning and deployment.
• Improve scalability, reliability and maintainability of the data lake house.
• Develop Power BI datasets and data models; build dashboards and reports.
• Translate business questions into visualizations and KPIs; optimize report performance.
• Collaborate with data engineers, architects and business stakeholders; contribute to new use cases.

Connaissances

BI Consultant

BI Developer

ETL

SQL

Python

Power BI

Data Modeling

Azure Data Stack

dbt

Git

Data Governance

Dutch (CEFR C2)

Formation

Master or Bachelor

Outils

Microsoft Fabric

Azure Synapse

Azure Data Factory

Databricks

dbt

Power BI

Description du poste

DURATION: 02/11/2026 - 31/12/2027

JOB DESCRIPTION - ROLES AND RESPONSIBILITIES

• In the coming years, substantial investments will be made in this process. On the one hand, the underlying technology is being renewed, and on the other hand, data pipelines and transformations are being further developed.
• In the short term, the FOCUS development organization will also provide support to a number of police units that want to get started with Power BI as a client of the current FOCUS datalake API.
• We are looking for a versatile and experienced Data Engineer / BI Developer who is strong in backend data engineering as well as in unlocking and visualizing data via Power BI.
• The role combines building robust data pipelines and data models with developing high-performance and user-friendly reporting for business users.

PURPOSE OF THE ROLE

• To realize end-to-end data solutions: from raw data to insights.
• The candidate ensures that data is correctly processed, modelled and made accessible, and that it is made effectively usable via dashboards and reports.

RESPONSIBILITIES

BACKEND / DATA ENGINEERING

• Migrating existing data pipelines and data warehouse structures
• Developing and maintaining data pipelines and data transformations
• Modeling data according to common principles (Kimball, Inmon, Data Vault)
• Developing SQL- and Python-based data processing logic
• Experience with commercial data platforms (Fabric, databricks), open source solutions (Apache products), dbt
• Contribute to best practices around data engineering, versioning and deployment
• Improve scalability, reliability and maintainability of the data lake house

BI & VISUALIZATION (POWER BI)

• Develop Power BI datasets and data models (semantic layer)
• Building dashboards and reports for operational and strategic insights
• Translating business questions into concrete visualizations and KPIs
• Optimizing performance and user experience of reports
• Implementing data governance and access management within Power BI
• Supporting self-service BI by guiding

BUSINESS USERS END-TO-END COLLABORATION

• Collaborate with data engineers, architects and business stakeholders
• Actively contribute to new use cases
• Bridge between technical teams and business (from data to insight)
• Proven experience as a BI Consultant
• Higher education (Master or Bachelor)
• Proven experience with requirements analysis
• Proven experience with Data Management (ETL)
• Demonstrable experience with reporting tools
• Language requirement: Dutch at European CEFR level C2.

SKILLS

• Demonstrable experience as a BI Consultant
• Demonstrable experience as a BI Developer
• Proven experience with Data Management (ETL)
• Proven experience with Git and versioning workflows
• Proven experience with Microsoft Fabric or Azure data stack (Data Factory, Synapse, Fabric, ...)
• Demonstrable experience with Power BI (building semantic model, building dashboards and reports)
• Demonstrable experience with reporting tools
• Good knowledge of datawarehous modeling.
• Higher education (Master or Bachelor)
• IT-Code sign
• NDA sign
• Strong knowledge and project experience of SQL.
• Language requirement: Dutch at European CEFR level C2.
• Proven experience with Azure Data Factory.
• Proven experience with dbt.
• Demonstrated experience with a programming language such as Python.
• Demonstrable experience with requirements analysis
• Strong in translating business questions into data models and visualizations.