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SSamcheek.
SaaS-Ready Architecture

Scalable Single Page Applications

Engineering complex, desktop-grade web applications (SaaS, Dashboards) with robust state management and instant reactivity.

React SPA Development

Modern users expect the web to feel like a native app: instant transitions, no page reloads, and immediate feedback. I specialize in building complex Single Page Applications (SPAs) where data integrity and user experience are paramount. Whether it is a financial dashboard, a CRM system, or a social platform, I engineer reactive interfaces that handle complex state logic without sacrificing performance.

App-Like Experience

Complex State Management

Moving beyond simple 'useState'. I implement scalable state architectures (Zustand, Redux Toolkit) to manage global app data, user sessions, and cross-component communication seamlessly.

Server State Synchronization

Using tools like TanStack Query to handle caching, background refetching, and synchronization. This eliminates loading spinners and ensures users always see fresh data.

Optimistic UI Updates

Making the interface feel instant. I implement Optimistic UI patterns where the interface updates immediately upon a user action, while the server processes the request in the background.

Type-Safe Reliability

Strict TypeScript integration ensures the application is bug-free and maintainable. It acts as a safety net for complex logic, preventing runtime errors in production.

Development Lifecycle

  1. 1

    Prototyping - Defining data models and user flows

  2. 2

    Architecture - Setting up the store structure and routing logic

  3. 3

    Development - Building reusable, atomic UI components

  4. 4

    Integration - Connecting frontend to REST/GraphQL APIs

  5. 5

    Optimization - Code splitting and memoization for 60fps performance

Application Stack

React 19TypeScriptTanStack QueryZustand / ReduxVite / Next.jsWebSockets