Lean software development and scrum model
- 1. Lean Software Development It comes from Toyota Production System It is a set of principles and toolset It promise to achieve quality, speed, customer alignment
- 2. The 7 principles of Lean Thinking 1. Eliminate Waste 2. Amplify Learning 3. Decide as Late as possible 4. Deliver as Fast as possible 5. Empower the Team 6. Build Integrity In 7. See the Whole
- 4. 7 Principles: Eliminate Waste What is waste? Anything that doesn’t add value to product Software Development Waste Partially done work Extra Processes Extra Features Task Switching Waiting Motion Defect Management Activities
- 6. 7 Principles: Amplify Learning Developing software is about learning Software Design is a problem solving process Short iteration speed up the learning process Write unit test -> coding -> refactoring -> integration testing -> customer feedback
- 8. 7 Principles: Decide as Late as Possible Software Development is about uncertainty There are many answer to one question Let customer see the product fast, let them decide it, the answer will come back later You can’t predict the future! Keep the flexibility
- 10. 7 Principles: Deliver as Fast as Possible Everyone like rapid delivery Rapid delivery = customer see is it what they asked for first Pull System: Kanban
- 12. 7 Principles: Empower the Team Find good people and let them do their job People are not resource, they need motivation
- 14. 7 Principles: Build Integrity In Perceive Integrity Customer experience with a system Conceptual Integrity Flexibility Maintainability Efficiency Responsiveness
- 16. 7 Principles: See the Whole Software Product != sum of its part Think about affected areas when fix defects / add new features Optimization
- 17. Scrum Model