Software Design

You rarely get a green field. Migrating a legacy system toward DDD means carving out a model where the pain

Domain-driven design is a way to align the software’s model with the business’s language and boundaries. It is not “use

The OWASP Top 10:2025 is the current awareness list of critical web application risks (2021 is superseded). It is not

Normalization is how you stop the same fact from living in two cells that will disagree next Tuesday. Codd’s normal

MVC, MVVM, and MVP split UI from domain so you can test and change one without the other. They are

An architectural style is a constraint on how parts communicate — a vocabulary. REST, client–server, pipes and filters, and event-driven

SOLID is five object-design heuristics from Robert C. Martin’s school of thought. They are about where change lands, not about

Reliability patterns keep a distributed call from turning a blip into an outage. They sit at process and network boundaries

Structural design patterns (GoF) compose classes and objects into larger structures without leaking every part’s internals. Use them when the

An architectural pattern is a reusable way to slice a system so that change, failure, and scale land in predictable