Data Engineer Location: brussels - montagne du parc / warandeberg Work model: Hybrid (50% onsite / 50% remote) Must reside in belgium and hold the right to work in belgium We are looking for an Expert Data Engineer to join the banking/insurance domain. You will play a key role in designing, developing, and optimizing large-scale data solutions, working on complex, high-volume environments (20tb databases). This role combines deep technical expertise, hands-on problem solving, and close collaboration with business and IT stakeholders. Key responsibilities Design, develop, and optimize ETL pipelines using Informatica PowerCenter for large-scale data processing Work with very large databases (20tb) on Oracle and Sybase IQ, ensuring performance and reliability Develop and maintain Java-based applications (Java, Spring Boot, Maven) Collaborate closely with Business Analysts to translate business requirements into robust technical solutions Take ownership of release management, securing complex changes while enforcing coding standards and best practices Perform performance tuning of batch processing, scheduling, and monitoring systems Actively troubleshoot issues with a pragmatic, hands-on mindset and continuously improve processes Contribute effectively in a cross-cultural, English-speaking team environment Required skills & experience Minimum 6 years of experience in data analytics / data engineering roles Strong expertise in ETL development, specifically Informatica PowerCenter Advanced SQL skills, including complex query design and performance optimization Solid knowledge of Java (Java, Spring Boot, Maven) with the motivation to further develop this skillset Experience with batch processing, scheduling, dependency management, and monitoring Proven ability to work with large-scale, high-performance data environments Bachelor's degree in a quantitative discipline (Computer Science, Engineering, Mathematics, Statistics, etc.) Nice-to-have: Experience with automation Exposure to CI/CD pipelines or DevOps practices Knowledge of data governance or regulatory compliance (e.G., GDPR)