Data Engineer: Ledger Migration & Data Lake (London)

Photon Group in London, UK is seeking a Data Engineer/Data Analyst to support a ledger migration and data-cleanup across the data lake, reporting, and downstream feeds. The role focuses on large-scale batch processing, data validation, and regression testing within a dynamic financial services environment.

Key tasks include data extraction, transformation and reconciliation to ensure data integrity throughout migration, contributing to migration readiness and timely delivery in a fast-paced