Own the delivery and dispatch domain of Mercury, aTrace's Go backend; built a reusable MongoDB transaction layer, a centralised cron service over Azure Service Bus, and contributed to Tracey, an AI supply chain assistant built with LangChain and LangGraph.

Restructured the grocery and food-delivery backend into 20+ domain modules on NestJs and PostgreSQL, cutting the codebase 40%, and shipped it through AWS CodePipeline into ECS.

Built Klooft's microservices with NestJs, Golang, gRPC and Kafka; designed the API architecture for PePay, a payments app; added full-text search with Algolia and MongoDB Atlas Search.

Led the REST-to-GraphQL migration for medical records, built a template-driven record builder, and set up the multi-tenant permission and testing foundations the rest of the team built on.

Built the Convre community platform end to end on NextJs and ExpressJs — server-rendered routes, a rich-text editor, infinite-scroll feeds, real-time chat over WebSockets, and OAuth.

Delivered six client products as the agency's lead ReactJs developer, established a shared component library reused across every build, and architected Skytrade, a crypto trading platform with Flutter clients.