Data Warehouse & Reporting Developer

Fujitsu
Brussels, Belgium
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Brussels, Belgium

Tech stack

API
Airflow
Apache HTTP Server
Databases
System Configuration
Data Architecture
Data Mining
Data Warehousing
Relational Databases
Python
Enterprise Messaging Systems
Online Analytical Processing
Open Source Technology
RabbitMQ
Standard Sql
Data Streaming
Unstructured Data
Spark
Containerization
Data Lake
Kubernetes
Luigi
Production Code
Kafka
Data Management
Data Lakehouse
Data Pipelines
Docker

Job description

Fujitsu is looking for a Data Warehouse & Reporting Developer to support a major EU Institution in Brussels. The role focuses on the design, development, and maintenance of a fully open-source Data Lakehouse platform , enabling scalable analytics and reporting across large volumes of structured and unstructured data.

️ Main Responsibilities

  • Design, develop, and maintain a fully open-source Data Lakehouse
  • Build and optimize scalable data pipelines for structured and unstructured data
  • Integrate data from multiple sources (databases, APIs, streaming services, cloud platforms)
  • Optimize queries and workflows for performance and efficiency
  • Write modular, testable, production-grade code
  • Ensure data quality through monitoring, validation, and consistency checks
  • Define and execute test programs
  • Produce clear and comprehensive technical documentation
  • Support deployment and system configuration activities

Requirements

  • Extensive experience as a Data Engineer or Data Architect
  • Strong background in data warehouse and/or data lakehouse architecture
  • Excellent SQL skills
  • Strong experience with open-source data transformation tools :
  • dbt
  • Apache Spark
  • Trino
  • Good knowledge of Python
  • Experience building end-to-end ELT data pipelines

Data Platforms & Infrastructure

  • Open-source orchestration tools (Airflow, Dagster, Luigi)
  • Event streaming & messaging platforms (Kafka, RabbitMQ)
  • Storage frameworks (Apache Iceberg, Delta Lake)
  • Containerization & orchestration (Docker / Podman, Kubernetes)
  • Relational databases and data modelling tools
  • OLAP and data mining tools

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