Dynamic Systems Development Method (DSDM) is guided by a set of eight core principles that underpin its approach to software development. These principles help teams deliver high-quality software solutions within time and budget constraints while maintaining flexibility and responsiveness to changing requirements. Here are the DSDM principles:

1. Focus on Business Need: DSDM places a strong emphasis on delivering business value. Projects should be aligned with the strategic objectives and priorities of the organization. The focus is on delivering features and functionalities that meet the needs of stakeholders and contribute to achieving business goals.

2. Deliver Incrementally: DSDM advocates for delivering working software incrementally and iteratively. Instead of waiting for the entire solution to be completed, features are developed and delivered in short iterations or increments. This allows stakeholders to see tangible progress and provide feedback, leading to a more responsive and adaptable development process.

3. Collaborate and Communicate Continuously: Collaboration and communication are key principles of DSDM. Project teams should work closely with stakeholders, business representatives, and end-users throughout the development process. Regular communication and collaboration help ensure that everyone is aligned with project goals, requirements are well-understood, and issues are addressed promptly.

4. Demonstrate Control: DSDM emphasizes the importance of maintaining control over the project throughout its lifecycle. This involves defining clear objectives, setting realistic expectations, and establishing effective governance structures. Project progress should be monitored closely, and any deviations from the plan should be addressed promptly to ensure that the project remains on track.

5. Focus on Quality: Quality is a core principle of DSDM. Projects should prioritize delivering high-quality software that meets stakeholder expectations and requirements. Quality assurance activities, such as testing and reviews, should be integrated throughout the development process to ensure that defects are identified and addressed early.

6. Iteratively Refine the Solution: DSDM recognizes that requirements and priorities may change over time. Therefore, the solution should be iteratively refined based on feedback from stakeholders and changes in the business environment. This iterative approach allows for continuous improvement and ensures that the solution remains relevant and aligned with evolving needs.

7. Demonstrate Control: DSDM emphasizes the importance of maintaining control over the project throughout its lifecycle. This involves defining clear objectives, setting realistic expectations, and establishing effective governance structures. Project progress should be monitored closely, and any deviations from the plan should be addressed promptly to ensure that the project remains on track.

8. Collaborate and Communicate Continuously: Collaboration and communication are key principles of DSDM. Project teams should work closely with stakeholders, business representatives, and end-users throughout the development process. Regular communication and collaboration help ensure that everyone is aligned with project goals, requirements are well-understood, and issues are addressed promptly.

These principles provide a foundation for successful software development projects within the DSDM framework, guiding teams in delivering value-driven, flexible, and high-quality solutions that meet the needs of stakeholders and the organization.

In Dynamic Systems Development Method (DSDM), roles are defined to ensure that responsibilities are clearly allocated and that the development process runs smoothly. These roles encompass a variety of functions and responsibilities within the project team. Here are the key roles in DSDM:

1. Executive Sponsor: The Executive Sponsor is a senior-level individual who provides overall direction and support for the project. They champion the project within the organization, secure necessary resources, and ensure alignment with strategic goals.

2. Visionary: The Visionary is responsible for defining the vision and objectives of the project. They work closely with stakeholders to understand their needs and priorities and articulate a clear vision that guides the development efforts.

3. Project Manager: The Project Manager is responsible for overseeing the day-to-day management of the project. They coordinate activities, manage resources, track progress, and ensure that the project stays on schedule and within budget.

4. Business Ambassador: The Business Ambassador represents the interests of the business stakeholders on the project team. They provide input on business requirements, priorities, and constraints, and ensure that the delivered solution meets the needs of the business.

5. Technical Coordinator: The Technical Coordinator is responsible for coordinating technical activities within the project team. They work with developers, architects, and other technical experts to ensure that technical solutions are designed, implemented, and integrated effectively.

6. Team Leader: The Team Leader oversees the development team and facilitates collaboration and communication among team members. They provide guidance, support, and mentorship to team members, ensuring that everyone is aligned with project goals and objectives.

7. Solution Developer: Solution Developers are responsible for designing, implementing, and testing the software solution. They work collaboratively with other team members to develop features and functionalities that meet the requirements of stakeholders.

8. Business Analyst: The Business Analyst is responsible for gathering, analyzing, and documenting business requirements. They work closely with stakeholders to understand their needs, elicit requirements, and translate them into actionable specifications for the development team.

9. Quality Advocate: The Quality Advocate is responsible for ensuring that quality standards and best practices are followed throughout the development process. They identify and address quality issues, conduct reviews and inspections, and promote a culture of quality within the team.

10. Workshop Facilitator: The Workshop Facilitator organizes and facilitates workshops and meetings to gather requirements, prioritize work, and make decisions collaboratively. They ensure that workshops are productive, engaging, and focused on achieving desired outcomes.

These roles work together collaboratively to ensure that the project progresses smoothly, stakeholders' needs are addressed, and high-quality software solutions are delivered on time and within budget. Each role plays a crucial part in the success of the project and contributes to achieving its objectives.