Long-form tutorials and engineering notes on .NET, React, AI/ML, and SaaS architecture.
Production-grade React auth: short-lived JWT in memory, rotating refresh tokens, server-enforced RBAC, Azure AD via MSAL, OAuth2 + PKCE — real code.
Stream tokens, ground answers in your docs with RAG, and use pgvector — the production playbook for a ChatGPT-style app in React with real metrics.
Enterprise React feature-based architecture: why type folders break at scale, the 4 rules, full feature code, lazy-load splits, real before/after metrics.
The 6 React patterns every architect needs in 2026: Container/Presentation, Hooks, Compound Components, Render Props, HOC, Provider — with real code + metrics.
Measurement-first React performance guide on a real dashboard: virtualization, code-splitting, RSC, concurrent features — before/after code + a metrics matrix.
Context API vs Redux Toolkit vs Zustand vs Jotai: the same cart in each, pros/cons, real production metrics, performance benchmarks, when to use each.
Large data grids in React: server pagination, infinite scroll, virtual scrolling, AG Grid, TanStack Table on the same 250k-row dataset — real code + metrics.
30 senior React interview questions with deep answers across Hooks, Reconciliation, Fiber Architecture, and Performance — the mental model interviewers test.
The 10 React mistakes I see in every audit — derived state, fetch waterfalls, key bugs — with before/after code and real production metrics.
React 19 vs Angular 19 in 2026 — Server Components vs Signals, bundle sizes, INP benchmarks, real code, and an honest 13-row decision matrix.
Stop fighting the new boundary. A short field guide for engineers shipping App Router apps.