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# Data Engineer Senior (PySpark / Airflow)

- **Company:** knowmad Mood
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Airflow, Amazon Web Services, Extract Transform Load (ETL), Python (Programming Language), SQL Databases, Pyspark
- **Published:** June 18, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=e43bae0c66c45ad0

## About the Role

Sólida experiencia en:

 * Python
 * PySpark
 * Apache Airflow
 * SQL y modelado de datos
 * Experiencia en diseño y desarrollo de pipelines ETL/ELT
 * Conocimiento de entornos cloud (AWS preferiblemente)

## Description

* Integración de datos desde múltiples fuentes (APIs, FTP, S3, bases de datos, Kafka, logs)
 * Desarrollo de pipelines de datos (batch y tiempo real) con PySpark, Python y Airflow
 * Automatización de flujos de trabajo y procesos de datos
 * Diseño de arquitecturas de datos (Medallion, star schema, data vault)
 * Optimización de rendimiento, escalabilidad y costes
 * Generación y mantenimiento de documentación técnica


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- [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data)
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- [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases)
- [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail)
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- [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning)

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