A leading green technology firm in Central London is seeking a Freelance Data Engineer to architect a green-energy analytics platform. This role involves building scalable ETL pipelines using PySpark, optimizing Spark jobs for performance, and deploying solutions in Azure. Candidates should have deep expertise in PySpark and Databricks and must have the right to work in the UK. The position runs from April to December 2026 with a competitive market day rate.
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