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System Design

System Design is the ability to conceptualise and outline software solutions, involving intricate problem-solving and planning skills. It requires a thorough understanding of how various system components interact to achieve a specific goal. Excellence in this capability drives efficient, scalable software applications that meet user needs and business objectives.

Foundational

At a foundational level you are beginning to understand how simple software components work together to solve basic problems. You need guidance to create or interpret straightforward system designs, focusing mainly on learning key concepts. Your growing understanding helps you start contributing to well-structured software alongside more experienced team members.

Developing

At a developing level you are beginning to contribute to system design by assisting with outlining software components and understanding how they fit together. You apply basic problem-solving to small, well-defined tasks and learn from feedback on your design ideas. Your work supports team delivery and helps build scalable, reliable applications.

Proficient

At a proficient level you are able to design effective software systems that balance technical requirements and user needs. You produce clear designs for moderately complex projects, considering scalability, maintainability, and integration points. Your work helps teams build reliable solutions that align with business goals.

Advanced

At an advanced level you are able to design complex software systems by evaluating trade-offs and breaking down large problems into clear, practical solutions. You anticipate integration and performance challenges, ensuring systems are robust and scalable. Your designs set direction for teams, supporting high-quality delivery that aligns with business goals.

Expert

At an expert level you are designing robust, scalable systems that anticipate future growth and evolving business needs. You simplify complexity, mentor others in best practice, and push for design solutions that are secure, maintainable, and aligned with organizational goals. Your decisions shape long-term software quality and deliver real value for users and the business.

Where is this capability used?