Senior Data Engineer 500.00 Per Day - Inside IR35 via UmbrellaLocation: 1 day per week in London (Candidates must be UK based and state their location)Duration: 4 - 6 monthsThe role sits within our client''s Measurement Innovation Team. They''re moving towards automating campaign measurement and need a senior, hands-on engineer to help maintain and develop their data pipelines.The main responsibilities will include:Working with GCP and BigQuery pipelines, including completing partially built exposure tables.Building and debugging privacy-safe data joins using BigQuery and Snowflake clean rooms, ensuring data security and preventing data exfiltration.Supporting the migration to a new cloud organisation, including cloud security and best practices.Some AWS work.Working directly with external partners'' data teams and internal stakeholders.Experience - A senior, hands-on Data Engineer with strong production experience in GCP, BigQuery, Python and SQL.Solid hands-on data engineering: Python, SQL, BigQuery and GCP pipelines.Snowflake and clean rooms or other privacy-safe joins.AI-oriented. They''ll work day to day with coding agents (Claude Code and similar). Someone who actively uses AI coding agents in their day-to-day work and can critically review the output.Strong problem-solving skills and an interest in data accuracy, rather than simply building pipelines.Experience with Snowflake, data clean rooms or privacy-safe joins.Strong communication skills, as they''ll be working
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