Full-time

Senior Data Engineer

Posted by Hays Technology • Cardiff, South Glamorgan, United Kingdom

📍 Cardiff, South Glamorgan 🕒 March 01, 2026

About the Role

Contract Length: Initial 6 months (extension likely)
Day Rate: £500 per day (Outside IR35)
Location: Hybrid in South Wales

Role Overview
We are seeking an experienced Senior Data Engineer contractor to support and extend the Azure Databricks Lakehouse platform, ensuring the reliable delivery of new data pipelines alongside ongoing operational stability.This is a hands‑on engineering role focused on implementation, optimisation and support of Delta Lake pipelines across Bronze, Silver, Staging and Gold layers, operating within an established architectural framework.

Key Responsibilities

Develop and maintain data pipelines in Azure Databricks using PySpark and SQL
Build incremental processing using Delta Lake and Change Data Feed
Extend and maintain watermark‑driven CDC frameworks
Implement and maintain Slowly Changing Dimension (SCD Type 2) logic
Engineer time‑aware joins and dimensional transformations
Support optimisation of Spark workload...

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