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# Senior Data Engineer

- **Company:** FDJ UNITED
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Airflow, Amazon S3, Application Frameworks, Cloud Computing, Cloud Database, Continuous Integration, Directed Acyclic Graph (Directed Graphs), Data Architecture, Information Engineering, Data Governance, Extract Transform Load (ETL), Dimensional Modeling, Python (Programming Language), SQL Databases, Data Streaming, Sql Optimization, Apache Spark, Data Lakes, Pyspark, Data Pipelines
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840676103-senior-data-engineer

## About the Role

A hands-on engineering role building and optimising scalable ETL/ELT pipelines and Lakehouse architectures across a modern multi-cloud platform using Python, Spark, Airflow, and dbt.

Requires 5+ years of data engineering experience with strong expertise in SQL, CI/CD, data quality frameworks, and cloud technologies (S3, Athena, Redshift), with a plus for streaming and AI tooling experience., * 5+ years in data engineering

 * Strong Python, advanced SQL, Airflow, Spark/PySpark, dbt, and CI/CD proficiency
 * Experience with Lakehouse architectures, dimensional modeling, and cloud data warehouses (S3, Athena, Redshift)
 * Data quality frameworks, monitoring, and schema evolution expertise

## Description

* Pipeline Development: Build ETL/ELT pipelines (Python, SQL), optimize Spark/PySpark jobs, manage Airflow DAGs, and implement dbt transformations.
 * Lakehouse Architecture: Design medallion-style architectures using S3 and modern table formats (Iceberg, Delta Lake) with optimized layouts.
 * Platform Infrastructure: Create reusable frameworks, enforce data contracts, build CI/CD pipelines, and establish observability practices.
 * Data Quality: Implement validation frameworks, data contracts, and SLIs/SLOs for critical pipelines.


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