Cracking Nielsen’s ETL: From 20 Days to 3
Faster POS data: cutting Nielsen ETL from 20 days to 3.
While at P&G Canada, Arturo rebuilt Nielsen’s POS ETL, bypassing its slow and failure-prone UI with direct ODBC automation. This gave sales and planning teams faster access than even Walmart — turning data bottlenecks into competitive advantage.
The Challenge
Nielsen downloads took weeks, failed often, and delayed selling and planning.
Our Approach
Reverse-engineered Nielsen backend via ODBC, built automation pipeline using KNIME, VM, and cron scheduling, and distributed refreshed datasets weekly to P&G Walmart team.
The Outcome
SLA cut from 20 to 3 days, sales teams sold with fresher data, Walmart Category Captaincy secured in Oral, Fem & Baby Care, ~$5M annual POS uplift.
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