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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Python Data Engineer - **Company:** Epam Systems - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Amazon S3, Databases, Data Governance, Data Integration, Data Transformation, Data Security, Python (Programming Language), Oracle Databases, SQL Databases, Data Processing, Apache Spark, Pyspark, Tools for Reporting, Dataiku, Data Pipelines - **Published:** July 16, 2026 - **Apply:** https://es.trabajo.org/oferta-2258-6cce319671bf57f01849fb2abcc443e9 ## About the Role 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 ideal 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 and integration - Hands-on experience with distributed processing engines such as Spark/PySpark or Trino - Solid understanding of S3-compatible object storage and integration practices - Familiarity with Oracle database and SQL for advanced queries - Knowledge of data security, access control and data governance frameworks - Ability to design and deliver resilient, maintainable data pipelines in financial services or similarly regulated environments - Strong problem-solving abilities with attention to detail and quality - Excellent communication skills to collaborate across technical and business teams - Fluent in English, written and spoken Nice to have - Experience in tax reporting or financial data domains - Exposure to EasyTax or similar tax calculation engines - Familiarity with core banking transformation programs and legacy migration strategies - Knowledge of regulatory compliance requirements related to data processing and storage We offer - Private health insurance - EPAM Employees Stock Purchase Plan - 100% paid sick leave - Referral Program - Professional certification - Language courses ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [WeAreDevelopers LIVE - CSS is DOOMed](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Analyst Salary Austria](https://www.wearedevelopers.com/magazine/275-data-analyst-salary-austria) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)