Data analyst - SQL Python M/F

Be at the center of the data analysis in a private bank in Luxembourg

• Freelance contract or permanent contract via a payrolling company
• Location : Kirchberg
• Fluent in English
• Strong SQL and Python skills

Context :

• You will be responsible for the rollout of data controls and quality metrics, giving you real ownership over the reliability and governance of the organisation's most important data assets.
• You will work in a role where precision, analytical discipline and structure are central, allowing you to fully leverage your attention to detail and elevate the organisation's data maturity.

• You will raise awareness of our data strategy and frameworks, giving you the opportunity to influence how teams adopt better data behaviours across the business.
• You will ensure the implementation of metrics for data controls, allowing you to see the direct impact of your work on data trustworthiness.
• You will interpret data requirements and regulatory dimensions in banking, building expertise in a complex and highly valued regulatory environment.
• You will design processes and systems that make data work more efficient, giving you the satisfaction of removing friction and improving daily operations.
• You will apply your technical expertise to protect data accuracy and integrity, positioning yourself as a key reference for high‑quality data.
• You will collaborate with stakeholders to gather requirements, enabling you to deepen your understanding of strategic needs while expanding your influence.
• You will support initiatives on data integrity and normalization, allowing you to contribute to cleaner, more structured and more usable datasets.
• You will manage POCs to support business case roll‑outs, giving you a central role in testing and validating new ideas before they scale.
• You will evaluate changes in source production systems, helping you develop a comprehensive view of how upstream decisions shape downstream data quality.
• You will work with programmers, engineers and value chain leads to identify improvement opportunities, putting you at the centre of continuous optimisation efforts.
• You will contribute to projects that harmonise and secure accurate data mappings, giving you responsibility over foundational elements of the data ecosystem.
• You will train users on data management and quality practices, strengthening your leadership by helping others adopt better data standards.

• Proven working experience as a data analyst or business analyst
• Knowledge of data quality metrics, normalization technics, and how to assess data quality
• Knowledge of implementation of metrics for data quality controls
• Work with several stakeholders gathering information regarding data requirements, business definitions, data structures
• Conduct data analysis supporting reconciliations and the evaluation of data quality
• Assurance of data harmonization and accurateness of data mappings

• BSc/BA diploma preferable in Mathematics, Statistics, Computer Science or relevant field
• Strong mathematical skills to help collect, measure, organize and analyse data
• Hands on experience with packages such as Dataiku to be used for data analysis
• Knowledge of programming languages such as SQL and Python
• Knowledge of data visualization software such as Tableau