Job Title: Freelance Data Engineer Location: Belgium (Hybrid) Contract Type: Freelance Languages Required: Fluent in French or Dutch (English is a plus) Duration: End of Year + ExtensionsRole OverviewOur client, a leading organization based in Belgium, is looking for an experienced Freelance Data Engineer to design, build, and optimize data pipelines and infrastructure. The ideal candidate will have hands-on experience with modern data platforms and tools, and be fluent in French or Dutch to effectively collaborate with local teams.Key ResponsibilitiesDevelop and maintain scalable ETL/ELT pipelines to support analytics and data-driven applications.Build and optimize data architecture for ingestion, processing, and storage of large-scale datasets.Collaborate with data architects, analysts, and business stakeholders to understand requirements and deliver solutions.Implement and monitor data quality, security, and compliance (including GDPR).Work with cloud platforms (e.g., AWS, Azure, GCP) to manage infrastructure and deployment.Document data flows, architecture, and operational procedures.Required Skills and Experience3+ years of experience in a Data Engineering role.Strong programming skills in Python, Scala, or Java.Solid experience with ETL tools (e.g., Apache Airflow, dbt, Talend).Proficiency with SQL and relational/non-relational databases (e.g., PostgreSQL, BigQuery, Snowflake, MongoDB).Experience working with cloud environments and data services (AWS Glue, Azure Data Factory, GCP Dataflow, etc.).Understanding of data governance, data quality, and security standards.Fluent in French or Dutch; good knowledge of English is a plus.Nice to HaveExperience with streaming data technologies (e.g., Apache Kafka, Spark Streaming).Exposure to CI/CD pipelines and DevOps practices.Familiarity with BI tools (e.g., Power BI, Tableau, Looker).Prior work experience with Belgian or EU clients.