Eligibility Requirement (Mandatory)⚠️ Important: EU Citizenship requiredFujitsu 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 ResponsibilitiesDesign, develop, and maintain a fully open-source Data LakehouseBuild and optimize scalable data pipelines for structured and unstructured dataIntegrate data from multiple sources (databases, APIs, streaming services, cloud platforms)Optimize queries and workflows for performance and efficiencyWrite modular, testable, production-grade codeEnsure data quality through monitoring, validation, and consistency checksDefine and execute test programsProduce clear and comprehensive technical documentationSupport deployment and system configuration activities🎯 Required Expertise & SkillsCore Technical SkillsExtensive experience as a Data Engineer or Data ArchitectStrong background in data warehouse and/or data lakehouse architectureExcellent SQL skillsStrong experience with open-source data transformation tools:dbtApache SparkTrinoGood knowledge of PythonExperience building end-to-end ELT data pipelinesData Platforms & InfrastructureOpen-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 toolsOLAP and data mining tools📩 Interested ?Apply directly via LinkedIn