System Design
Design a Rate Limiter — Token Bucket, Sliding Window, and Distributed Limits
A system design walkthrough of a rate limiter: token bucket vs sliding window, where it lives, and making limits work across a distributed fleet.
14 min read8
Posts and interview questions tagged Memory Management.
A system design walkthrough of a rate limiter: token bucket vs sliding window, where it lives, and making limits work across a distributed fleet.
A full system design walkthrough for a URL shortener like bit.ly: requirements, estimates, short-code generation, caching, and scaling to billions.
Most people fail system design interviews for lack of a method, not knowledge. Here's a repeatable framework to design any system in 45 minutes.
Production-grade React auth: short-lived JWT in memory, rotating refresh tokens, server-enforced RBAC, Azure AD via MSAL, OAuth2 + PKCE — real code.
Event-driven architecture in .NET: why choose it, problems solved, challenges, a full diagram, real ASP.NET Core + React code, and when NOT to use it.
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.