An overview of Lean Software Development. This presentation was at KMUTT, Thailand on Jan 2017

1. Lean Software Development
Principles
Osellus Asia Pacific Co.,Ltd.

2. Think Big, Act Small, Fail Fast,
Learn Rapidly

3. Outline
•Agile Software Development Process
•The Agile Manifesto
•Lean Software Development
•The 7 Principles

4. Agile Software Development Process
•Why need process to develop a software?
•Why Agile?
•Speed
•Welcome changes
•Collaboration

5. The Agile Manifesto
Individuals and interactions over processes and tools
Working software over comprehensive documentation
Customer collaboration over contract negotiation
Responding to change over following a plan

6. 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

7. 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

8. #1 Eliminate Waste
src: https://www.flickr.com/photos/jritch/4677818858/

9. 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

10. #2 Amplify Learning
src: https://ec.europa.eu/epale/en/blog/learning-styles-and-didactics-adult-learning

11. 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

12. #3 Decide as Late as Possible
src: http://www.middlemarketcenter.org/author/dorie-clark

13. 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

14. #4 Deliver as Fast as Possible
src: http://www.motor16.com/fotos/galerias/imagenes-gp-espana-f1-2015/gp-espana-f1-2015-vettel-alonso/

15. 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

16. Kanban

17. Kanban Software: GitLab Kanban Board

18. Kanban Software: TFS

19. #5 Empower the Team
src: https://www.youtube.com/watch?v=5Z1Ea2Mg4c4

20. 7 Principles: Empower the Team
•Find good people and let them do their job
•People are not resource, they need motivation

21. #6 Build Integrity In
src: https://www.walldevil.com/102098-clocks-gears-gold-photography-clockwork.html

22. 7 Principles: Build Integrity In
•Perceive Integrity
•Customer experience with a system
•Conceptual Integrity
•Flexibility
•Maintainability
•Efficiency
•Responsiveness

23. #7 See the Whole
src: http://www.pdac.co.uk/wp-content/uploads/2012/03/how-puzzle.jpg

24. 7 Principles: See the Whole
•Software Product != sum of its part
•Think about affected areas when fix defects /
add new features
•Optimization

25. Resources
Learn more about LSD
Read this book

26. Q & A