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OOwais AliSaaS Engineer
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#saas

4 articles on saas — SaaS architecture, backend systems and engineering practice.

  1. 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.

  2. 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.

  3. Dark SaaS architecture blueprint showing MVP planning, user roles, database design, APIs, and scalability before software development
    ·11 min read

    From MVP to Scalable SaaS: What I Plan Before Writing Code

    Building a SaaS product is not only about writing code quickly. Before development starts, the right planning around users, roles, database design, architecture, security, scalability, and future features can save months of rework later.

  4. Illustration showing how cheap software development creates technical debt and higher long-term product costs
    ·8 min read

    Why Cheap Software Development Becomes Expensive Later

    Cheap software development looks attractive in the beginning, but it often creates hidden costs through poor architecture, weak planning, technical debt, security gaps, and expensive rebuilds later. This article explains why serious software products need the right foundation from day one.

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