Roman Onishchenko

React, TypeScript, Node.js, REST APIs, microservices, HTTP clients, retry strategies, request lifecycle, observability, AWS, Docker.

Distributed systems, service-to-service communication, and observability in Node.js

Building @dfsync/client — a reliable HTTP client for service-to-service communication in Node.js. Working on request lifecycle, retries, and observability.

Open to discussing backend architecture, Node.js tooling, and service communication. Always happy to get feedback on @dfsync/client