Skip to content
OOwais AliSaaS Engineer
Tag

#nestjs

3 articles on nestjs — SaaS architecture, backend systems and engineering practice.

  1. Dark software architecture illustration showing clean project structure, design patterns, modules, service layers, and scalable code organization
    ·13 min read

    Why Project Structure and Design Patterns Matter in Scalable Software

    Scalable software is not only about servers, databases, or cloud infrastructure. It also depends on how the codebase is structured. A clean project structure and the right design patterns make software easier to maintain, extend, test, debug, and scale as the product and team grow.

  2. Dark backend architecture illustration showing BullMQ queues, Redis, workers, retries, scheduled tasks, and background job processing in a SaaS system
    ·8 min read

    Queue-Based Architecture: When to Use BullMQ and Redis

    Queues are one of the most practical ways to make backend systems faster, more reliable, and easier to scale. This article explains when to use BullMQ and Redis for background jobs, async processing, retries, scheduled tasks, and production SaaS workflows.

  3. Dark architecture illustration showing JWT authentication, Redis sessions, refresh tokens, token versioning, and revocation in a production SaaS system
    ·9 min read

    JWT, Sessions, Redis, and Token Versioning in Production SaaS Systems

    JWT authentication looks simple in tutorials, but production SaaS systems need more than token generation. This article explains how JWTs, sessions, Redis, refresh tokens, and token versioning work together to support secure, scalable, and revocable authentication.

Browse all articles