What was the architectural design of your application at your last place of work? What alternative architectural approaches do you know?

At the last place of work, the application was built using SPA (Single Page Application) architecture with React for the frontend and REST API on the backend.

Main components:

• React components with state management via Redux.
• Client-side routing with React Router.
• Interaction with the server through asynchronous requests (fetch/axios).

Alternative architectural approaches:

• MPA (Multi-Page Application) — a classic approach with page reloads.
• SSR (Server-Side Rendering) — rendering pages on the server to improve SEO and load speed.
• Isomorphic/Universal JS — code that runs both on the client and the server.
• Micro-frontend — dividing the frontend into independent modules that are developed and deployed separately.
• Progressive Web Apps (PWA) — applications with offline capabilities and installability.

The choice of architecture depends on requirements for performance, SEO, scalability, and development convenience.