E-commerce
Real-time Analytics Platform
Challenge: Legacy batch processing couldn't support real-time inventory and pricing decisions.
Solution: Designed streaming architecture with Kafka, Spark Streaming, and Redshift for sub-minute analytics.
Impact: Reduced data latency from 24 hours to under 60 seconds.
FinTech
Data Lake Modernization
Challenge: Siloed data across 15+ systems prevented unified customer view.
Solution: Built centralized data lake on S3 with Glue ETL and Athena for ad-hoc queries.
Impact: Enabled cross-product analytics, supporting 40% increase in cross-sell revenue.
Logistics
Predictive Maintenance Pipeline
Challenge: Unplanned vehicle downtime costing millions annually.
Solution: Implemented IoT data pipeline with feature engineering for ML-based failure prediction.
Impact: Reduced unplanned downtime by 35% in first year.