https://topzyray.github.io/Tope Taiwo is a fullstack software engineer with 4+ years of experience building production-grade web, mobile, and cloud-native applications with TypeScript, Python, React, React Native, Next.js, NestJS, FastAPI, PostgreSQL, MongoDB, and Redis. en Tue, 13 Oct 2026 07:00:44 +0100 https://topzyray.github.io/posts/rbac-is-not-enough-thinking-about-authorization-in-enterprise-systems/https://topzyray.github.io/posts/rbac-is-not-enough-thinking-about-authorization-in-enterprise-systems/Tue, 13 Oct 2026 06:00:00 +0100 Roles are one of the first authorization mechanisms most backend developers encounter. Backend Engineering Security https://topzyray.github.io/posts/sessions-devices-and-jwts-in-a-multi-client-application/https://topzyray.github.io/posts/sessions-devices-and-jwts-in-a-multi-client-application/Mon, 12 Oct 2026 08:00:00 +0100 JWT authentication is easy to demonstrate. Backend Engineering Security https://topzyray.github.io/posts/designing-authentication-as-a-system-not-a-login-endpoint/https://topzyray.github.io/posts/designing-authentication-as-a-system-not-a-login-endpoint/Sun, 11 Oct 2026 08:00:00 +0100 Authentication is often introduced as a login endpoint. Backend Engineering Security https://topzyray.github.io/posts/express-vs-nestjs-the-framework-should-serve-the-architecture/https://topzyray.github.io/posts/express-vs-nestjs-the-framework-should-serve-the-architecture/Sat, 10 Oct 2026 08:00:00 +0100 I have worked with Express.js application in the past when I was starting out. I have worked extensively with NestJS, and I have also spent time deliberately designing how I would structure a production Express.js backend having had much exposure to how things work in NestJS. Backend Engineering Node.js https://topzyray.github.io/posts/feature-based-architecture-in-nodejs/https://topzyray.github.io/posts/feature-based-architecture-in-nodejs/Fri, 09 Oct 2026 08:00:00 +0100 In my previous posts, I discussed why architecture should be more important than the framework and why infrastructure should not control business logic. Backend Engineering Architecture