We're looking for a Senior Python Data Engineer (Dataiku) to design, implement and optimize a Client Tax Data Provider application that will serve as the strategic data integration layer for client tax reporting obligations. Built on S3-compatible storage and Dataiku DSS, this solution will streamline data sourcing, enforce standards, and ensure compliance with EasyTax delivery requirements across jurisdictions. This is a hands‑on engineering role idóneo for professionals who thrive on building robust, scalable data pipelines within regulated environments and can ensure quality, security and accuracy throughout the delivery lifecycle. This is a hybrid role based in Madrid, ideal for those eager to thrive in a dynamic environment and make a significant impact in private banking technology. Join EPAM and contribute to shaping the future of financial services in Spain
Responsibilities
Design and develop a tax data provider application leveraging Dataiku DSS, Python and S3-based storage
Implement data pipelines for ingestion, transformation,



normalization and validation of client tax‑relevant data
Integrate data from multiple banking systems in line with architectural standards and migration objectives
Enable secure data access and enforce strict access control mechanisms
Supply tax‑relevant data to downstream consumers including tax calculation engines (e.g., EasyTax), reporting tools and analytics platforms
Ensure continuity of historical reporting by retaining a read‑only legacy tax database while enabling seamless migration to new structures
Optimize performance through efficient use of processing engines like PySpark and Trino
Collaborate with stakeholders to align technical solutions with regulatory and compliance requirements
Maintain clear documentation to support sustainability and audit‑readiness
Requirements
Proven experience in Python for complex data transformation, API integration and Dataiku automation
Strong expertise with Dataiku DSS for data processing

📌 Data Engineer Senior (Madrid)
🏢 Epam Systems
📍 Madrid