System DesignMar 2026The Real Cost of MicroservicesMicroservices get sold as the grown-up way to scale. For a lot of teams the invoice is ops load, slower shipping, and failure modes you would not have had in one repo. A boring monolith often buys you more runway than the conference talks admit.MicroservicesMonolithArchitecture
System DesignMar 2026PostgreSQL as a Cache (When Not to Use Redis)Redis is not mandatory for every cache-shaped problem. With solid indexing and pooling, PostgreSQL can cover sessions, flags, and many read-heavy paths with less ops surface—until benchmarks or access patterns prove you need an in-memory layer.PostgreSQLRedisCaching
System DesignMar 2023Blockchain-Powered Data Monetization at ScaleIntegrating IoT, enterprise APIs, and blockchain for autonomous financial flows: Corda networks, secure custody, API monetization, and lessons from Vodafone, Mastercard, and Energy Web engagements.CordaServerless
