Obi Madu's Blog

Featured articles

DesktopJuly 21, 202615 min read

Meet Tauri [2.0]

How Tauri builds desktop apps from web technologies, where it puts the trust boundary compared to Electron, and the mindset shift from a website in a window to a native application.

AI EngineeringJune 29, 20268 min read

Demystifying OpenSpec

OpenSpec profiles, schemas, artifacts, config, skills, and delta specs, explained simply.

SecurityJune 19, 202610 min read

Adding a Free WAF to My Homebox: CrowdSec AppSec Tutorial ft. Traefik and Dokploy

A complete guide on how I protect my Homebox applications with CrowdSec's AppSec WAF, a Traefik plugin, and Dokploy.

Latest articles

01-09 / 15

System DesignJuly 22, 202612 min read

One Codebase, Web and Desktop

How to design a Tauri app so the same React code runs in the browser and on the desktop, by putting the runtime differences behind a service interface.

AI EngineeringJune 18, 202612 min read

Architecting AI Gateway Budgets: Virtual Keys, Provider Keys, and Distributed Quota Enforcement

A blueprint for designing a global AI quota system. How to separate request execution from budget truth under high concurrency.

AI EngineeringJune 17, 20269 min read

LiteLLM vs. Bifrost: Choosing an AI Gateway

A practical comparison of LiteLLM's Python-based distributed state and Bifrost's Go-based raw performance, to help you choose an AI gateway.

System DesignJune 16, 20269 min read

Pooling API Keys with Bifrost

A practical guide to configuring API key pooling in Bifrost, and how to safely scale it across multiple nodes by externalizing your rate limits.

FeaturedAI EngineeringJune 15, 20268 min read

LiteLLM as a Distributed AI Gateway

How to pool API keys and multiple backends under a single model id to increase your rate limit capacity, and how LiteLLM keeps that pooling consistent across multiple nodes.

AI EngineeringJune 14, 202610 min read

Scaling AI Gateways: How to Pool API Keys and Survive Rate Limits

Learn how to overcome strict LLM provider rate limits by pooling API keys, and explore the 3-layer architecture required for distributed token tracking.

FeaturedMobileApril 15, 202620 min read

Architecting Reliable Mobile Billing

A real-world look at fixing mobile subscription billing when webhooks, sandbox purchases, and user identity break down.

System DesignMarch 9, 202620 min read

OAuth vs OIDC: Access Tokens vs ID Tokens

A practical explanation of OAuth, OIDC, access tokens, and ID tokens without the usual authentication confusion.

MobileJanuary 28, 202620 min read

React Native and Expo, Explained Simply

Understand how React Native and Expo really work, from native builds to OTA updates and development workflows.