Dmitrii Zusmanovich

One Contract. Three Languages. Zero Illegal Dialogues.One 56-line contract file describes a booking dialogue: the phases, the edges between them, the form each phase puts in front of the user. Code generation turns it into Rust typestate for the server, D

One Protocol, Three Places to Keep StateOne rmcp v3 server - the SDK was three days old at measurement. Three state policies behind one trait (sticky memory, Redis store, sealed continuation), plus a held gRPC stream as reference (different transport and

Define API once and get gRPC for mobile and desktop, REST with Server-Sent Events for browsers, and a complete OpenAPI 3.1 specification - all generated at build time, with zero drift.No single protocol serves every client well. Mobile and desktop thrive

How Modern Type Systems Enable Infrastructure You Can TrustAuthentication is the front door of your platform. Every request hits it, every incident starts or ends there, and every millisecond of latency multiplies across your entire product.For years, bac

Demo application https://auth-demo.dmitrii.appGo is exceptionally well-suited for crafting contemporary, dynamic, and highly scalable services. One of the most prevalent tasks in this context is authentication and user management, which aligns seamlessly

Docker containers are now a common way to deploy web applications and services. Containers help to reduce maintenance and environment configuration time. The ability to pass variables to containers allows us to configure them without having to rebuild con

Updates help provide users with a better experience; likewise, delivering updates seamlessly is essential to maintain an excellent UX throughout the entire application lifecycle.Service Worker Generator had been introduced recently to properly handle upda