Boris Nadion has over 25 years of experience developing software and has participated in over 100 web and mobile projects since 2005. He is a partner at Astrails and advocates for lean software development principles. Lean development focuses on amplifying learning, empowering teams, building integrity, eliminating waste, delivering fast, and deciding late. It emphasizes continual improvement through refactoring to reduce technical debt.

1. Lean Software Development
Boris Nadion
boris@astrails.com
@borisnadion

2. Boris Nadion
developing software since early 90s
participated in over 100 web and mobile projects since 2005
partner at Astrails

3. idea
coffee shop napkin sketches

4. thousands of users

5. idea
launch
success

6. idea
launch
success
failure

7. idea
launch
success
failure

8. idea
launch
success

9. launch
success

10. idea
launch
many ways to get from an idea to a launch

11. Lean Software Development

12. How I Learned to
Stop Worrying and
Stay Focused on the
Product
http://www.imdb.com/media/rm1366197248/tt0057012?ref_=ttmi_mi_all_sf_6

13. learned

14. SE7EN
http://en.wikipedia.org/wiki/Lean_software_development

15. obvious
amplify learning
empower the team
build integrity in
see the whole

16. amplify learning

17. empower the team
http://www.projectsherpa.com/blog/developers-dont-need-to-know-the-product/

18. build integrity in

19. see the whole

20. not obvious
eliminate waste
deliver as fast as possible
decide as late as possible

21. eliminate waste

22. deliver as fast as possible

23. decide as late as possible

24. how to start
1-pager document: problem, solution, product

25. scope
a few pages document

26. iA Writer

27. content creation flow
see the whole

28. estimate
what budget will be required

29. eliminate waste

30. pages/screens definitions
workflowy.com, hackpad.com

31. wireframes

35. test flows on wireframes

36. designer
key pages

37. user stories
trello.com, pivotaltracker.com

38. example
• users should be able to login and register with
•
•
•
Facebook
users should be able to add a package with a
tracking number
PACKAGE UPDATES
NOTIFICATION EMAILS

39. decide as late as possible

40. trello column = story state
icebox
backlog
pending
staging/testing
accepted
rejected
production

41. closed loop
deliver as fast as possible

42. write some code

43. code review
github.com pull requests
circleci.com, codeclimate.com
build integrity in

44. staging deployment

45. acceptance testing
manual

46. automatic/regression testing
unit/functional, integration for critical paths

47. refactoring
never have time for this shit

48. maintainability
build integrity in

49. technical debt
comes with an interest rate

50. refactoring
return the debt

51. launch
not a date, but completeness
of the feature set
http://www.flickr.com/photos/cobalt/6162053776/

52. fun begins

53. launch
success

54. new feature lifetime
• discussion
• wireframes or/and designs
• testable user stories
• development and reviews
• staging deployments
• acceptance testing
• production deployment

55. not obvious
eliminate waste
deliver as fast as possible
decide as late as possible

56. success

57. Thank You!
Boris Nadion
boris@astrails.com
@borisnadion