Challenge: A leading private bank needed to migrate its 20-year-old COBOL core banking system to a modern cloud-native platform without disrupting 24/7 operations.

Solution: Designed a strangler-fig migration pattern using event-driven microservices on AWS EKS, with a dual-write phase to ensure zero data loss.

Outcome: 40% reduction in operational costs, 99.99% uptime maintained, and 3x faster feature delivery.

Challenge: An e-commerce company with 5M+ customers was spending ₹2Cr/month on customer support agents handling repetitive queries.

Solution: Built a RAG-based LLM system trained on product catalogues, order data, and support history, integrated with WhatsApp, email, and web chat.

Outcome: 80% of tier-1 queries automated, saving ₹1.6Cr/month, with customer satisfaction scores improving by 22%.

Challenge: A hospital chain needed a unified data platform to analyse patient outcomes across 15 hospitals while maintaining HIPAA compliance.

Solution: Architected a HIPAA-compliant data lake on Azure with Databricks for processing, Power BI for dashboards, and row-level security for data governance.

Outcome: Real-time dashboards for 10M+ patient records, 60% reduction in reporting time, and full HIPAA audit compliance achieved.