RetainX
Customer Revenue & Subscription Retention Intelligence
End-to-end customer retention analytics for AirWave Communications (telecom). Follows a full data lifecycle — raw ingestion, 4-layer SQL medallion pipeline, Python EDA, and an interactive multi-page Power BI dashboard. Identifies churn patterns, segments at-risk customers, quantifies revenue at risk, and maps churn hotspots across Indian geographies.

Key features & capabilities.
4-stage medallion SQL architecture: raw → transform → derived → business queries
Customer segmentation: high-value, mid-tier, and at-risk tiers
Revenue-at-risk modeling quantifying churn impact by customer value tier
Geographic churn distribution mapped across Indian states and cities
10+ business KPIs including ARPU, churn rate, usage scores, and average tenure
Python EDA with correlation heatmaps, churn scatter plots, and segment breakdowns
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