XP Roles

In Extreme Programming (XP), there are several key roles that are essential for the success of the project:

  • The Customer: The customer is the person or group who is requesting the software to be developed. They are responsible for defining the requirements and priorities for the project.
  • The Coach: The Coach is responsible for mentoring the team and guiding them through the XP process. They help the team to stay on track, and to make sure that the team is adhering to the XP practices and values.
  • The Team: The Team is responsible for developing the software. They work together to plan, design, code, and test the software. The team is self-organizing and cross-functional, with members having skills in different areas.
  • The Programmer: This is a member of the team, who is responsible for writing code. They work in pairs and use practices such as pair programming and test-driven development to ensure that the code is of high quality.
  • The Tester: This is a member of the team, who is responsible for testing the software. They work closely with the programmers to ensure that the software is free of bugs and meets the customer's requirements.
  • The Tracker: This is a member of the team, who is responsible for tracking the progress of the project and ensuring that the team is meeting its commitments. They use metrics such as velocity and burndown charts to measure progress.

These roles are not necessarily assigned to specific individuals, but rather shared among the team members. The roles and responsibilities may change depending on the specific needs of the project and the team.


Location: San Francisco, CA, USA

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