Senior Data Engineer

Job Title: Senior Data Engineer

Location: Brussels

Start Date: 05/01/2026

End Date: 30/06/2026

Mission Context:

We are looking for a strong hands-on Senior Data Engineer with a solid understanding of the banking business. The primary mission is to deliver business-driven digital solutions, dashboards, and ad hoc reporting for Corporate Banking end users, including Sales, Metiers, and Management. The role involves working with federated data in a preparation environment to feed various visualization solutions via Alteryx flows.

Responsibilities:

• Enhance and streamline legacy Alteryx workflows by applying clean coding principles, centralizing logic, removing redundancies, and improving long-term maintainability.
• Implement improvements progressively across environments, validate impacts, collaborate with users, and ensure no regression on downstream dashboards.
• Collaborate with the Data Engineering Team to ingest data from various systems, ensuring timely integration of new data sources with high reliability and correctness.
• Simplify existing data flows and design processes to enhance efficiency, reduce complexity, and improve overall system performance.
• Identify obsolete datasets, unused files, and abandoned workflows; refactor or retire them and help harmonize historization and retention rules.
• Design and maintain reusable Alteryx macros to centralize repeated transformation patterns, ensure consistent logic across workflows, and reduce technical debt.
• Rationalize SAS and Alteryx coexistence by removing outdated SAS components and migrating useful transformations into consistent maintainable Alteryx logic.
• Support and improve the deployment and release process by increasing automation coverage and quality checks.
• Apply and reinforce documentation standards for datasets and workflows.
• Establish and maintain robust monitoring systems to track data quality and performance.
• Oversee the management of daily batches to ensure consistency, synchronization, and efficient resource utilization across different environments.

Language Requirements:

• Dutch (or French)
• French (or Dutch)
• Fluent knowledge of English

Education and Experience:

• Master in Computer Sciences, Business, or equivalent experience.
• At least 4-5 years of relevant experience.
• Strong hands-on knowledge of data flows and data preparation techniques.
• Knowledge of relational databases including SQL Server and analytics.
• Proficiency in Alteryx and SQL language, especially Transact-SQL.
• Notions in data visualization solutions and techniques.
• Certification in Design & Data Architecture is a plus.

Technical Experience:

• Strong background in Alteryx or similar ETL tools.
• Proficiency in SQL language.
• Experience with versioning tools (SVN, Git) is preferable.
• Hands-on experience with SAS.
• Notions of data visualization tools like Tableau.
• Knowledge of Python or similar programming language.
• Familiarity with CI/CD practices.

Business Experience:

• Experience with banking companies or other financial institutions is preferable.
• Practical experience with Agile methodology.

Soft Skills:

• Strong analytical skills with the ability to extrapolate from a detailed technical view to a global vision.
• Knowledge sharing abilities.
• Proactive in communication and active listening.
• Agile mindset, which implies a positive attitude, pragmatism, and a focus on team success and continuous improvement.