#nestjs
3 articles on nestjs — SaaS architecture, backend systems and engineering practice.
·13 min readWhy 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.
·8 min readQueue-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.
·9 min readJWT, 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.
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