Freelance Data Analytical Engineer Location: Mechelen (2 days/week on-site)Contract Duration: Until End of YearClient: Leading Belgian Telecom Company The ContextData is core to how this organization operates, not just as a backend function but as a strategic enabler across the business. The company is fully committed to data-driven decision-making, integrating analytics and AI directly into business processes and customer journeys. Their data organization works end-to-end — from governance and architecture to experimentation and delivery — with a clear focus on creating measurable value.The RoleAs a freelance Data Analyst, you'll be the vital link between business stakeholders and the technical teams delivering data solutions. You’ll be responsible for shaping solution designs, defining data flows, and translating business questions into technical action plans. This is a hands-on role involving deep-dive data analysis, close collaboration with engineers, and responsibility for the functional integrity of data products.Your Key TasksCollaborate with Data Product Managers and business stakeholders to gather data requirements and translate them into technical specificationsDesign logical data models and map out full data flows aligned with business objectives and long-term platform strategyPerform thorough data analyses, mapping source-to-target transformations and ensuring documentation is complete and accurateValidate and challenge proposed designs in terms of scalability, cost-efficiency, and fit-for-purpose architectureGuide the implementation with engineers, conducting intermediate reviews and providing technical support when neededDefine user acceptance tests and quality controls (including semantic validation)Support incident resolution as third-line support, coordinating with engineers and product managersMonitor the impact of application changes and ensure data products are updated accordinglyWhat You BringDeep knowledge of Snowflake and strong SQL capabilitiesExperience with orchestration tools like Dagster, Airflow, or similarAbility to communicate insights clearly and challenge assumptions constructively in stakeholder conversationsStrong analytical thinking and a natural problem-solverFluent in English; understanding of Dutch is a strong advantage