The document discusses the importance of software design and the economic rationale behind writing quality code, referencing insights from notable figures like Robert C. Martin and Martin Fowler. It highlights concepts such as technical debt, trade-offs in software quality, and agile principles regarding design excellence. Additionally, it provides links to relevant articles and resources for further exploration of these topics.

1. The Value of
Software Design

2. How can you tell if a code is good or bad?

3. What would Robert C. Martin (Uncle Bob) tell you if he
finds out you are doing bad code?
Software Craftsmanship

4. Why bothering doing good quality code?
“If software design is worth doing, there got to be an
economic reason, not a moral reason” - Martin Fowler

5. “We need to put less effort on quality so we can build
more features for our next release”
Have you heard this phrase before?
Tradable Quality

6. Why would a client ignore or
not value software quality?

7. The Land that Scrum Forgot
https://www.scrumalliance.org/community/articles/2010/december/the-land-that-
scrum-forgot

8. The ‘debt’ metaphor
Ward Cunningham coined the term
http://c2.com/cgi/wiki?WardExplainsDebtMetaphor

9. Technical Debt

10. Design Stamina Hypothesis (Martin Fowler)
http://martinfowler.com/bliki/DesignStaminaHypothesis.html

11. Technical Debt is inevitable… yes, inevitable
http://martinfowler.com/bliki/TechnicalDebtQuadrant.html

12. IRRESPONSABLE
“A mess is not a technical debt” - Uncle Bob
https://sites.google.com/site/unclebobconsultingllc/a-mess-is-not-a-technical-debt

13. Agile Manifesto
Agile Principle:
“Continuous attention to technical excellence and good design enhances agility”
Most of the agile manifesto signers were already XP practitioners

14. Thanks!
Diego Alonso Gil Aguilar, @diegogil1989
Software Engineer at Avantica Technologies
CSM, CSD and survivor of Alistair Cockburn Agile
Advanced Class
Join your local agile community:
Agile Perú: http://bit.ly/agileperu
Agile Costa Rica: http://bit.ly/agilecostarica

15. References
- The Value of Software Design - Martin Fowler
https://www.youtube.com/watch?v=8kotnF6hfd8#t=2694
- The Land that Scrum Forgot - Robert C. Martin
https://www.scrumalliance.org/community/articles/2010/december/the-land-that-scrum-forgot
- Ward Explains Debt Metaphor - Ward Cunningham
http://c2.com/cgi/wiki?WardExplainsDebtMetaphor
- Design Stamina Hypothesis - Martin Fowler
http://martinfowler.com/bliki/DesignStaminaHypothesis.html
- Technical Debt Quadrant - Martin Fowler
http://martinfowler.com/bliki/TechnicalDebtQuadrant.html
- A mess is not a Technical Debt - Robert C. Martin