Software development involves High-Level Design (HLD) & Low-Level Design (LLD) stages where the system's components are defined & designed in detail before writing the code.
It involves designing high-level architecture of a system, components, & interactions, & creating database design. It converts business requirements into high-level solutions.
It involves designing each component in detail, like classes, abstractions, object creation, & data flow between objects. it converts the HLD into ready-to-code, detailed components.
Tech interviews now often have LLD or Machine Coding rounds. Hone your technical skills and critical thinking abilities to be prepared for any LLD interview question.
List of things that a software developer needs to learn - - Object-Oriented Language - Object-Oriented Principles - UML Diagrams - Design Patterns - Practice LLD Questions