Experimental real-time newsletter application demonstrating PostgreSQL's NOTIFY/LISTEN with Server-Sent Events (SSE) for reactive updates. Built with FastAPI and modern async Python.

WatermelonDB storage adapter for AWS Amplify DataStore — reactive queries, JSI-native performance on React Native, cross-platform (web, Node.js, in-memory fallback)

A reactive, local-first database for TypeScript that runs the same typed schemas, queries, selectors, and actions in the browser and on the server.

Event Driven Microservices, Reactor, Webflux, Kafka works. Bank application have 2 microservices: accounts and cards for now.

Local-first columnar TypeScript database with TanStack DB compatibility, spatial indexes, and Arrow IPC

Demo project. A simplified backend ticketing system built with Spring WebFlux and Apache Kafka, demonstrating an asynchronous, event-driven architecture. enables users to submit support tickets via a REST API, which are then processed and managed through Kafka topics and reactive services.

Reactive R2DBC + PostgreSQL data access for Spring Boot — dynamic filtering, pagination & auto OpenAPI filter params