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Lean and Kanban Principles for Software Developers

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This was a presentation given for the South Florida Code Camp in March, 2010 covering the basics of Lean and Kanban principles for Software Developers

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Lean and Kanban Principles for Software Developers

  1. 1. LEAN, KANBAN, AGILE @cory_foy | Cory Foy | http://coryfoy.com
  2. 2. Hi
  3. 3. Lean
  4. 4. Kanban
  5. 5. Waterfall
  6. 6. Waterfall Requirements
  7. 7. Waterfall Requirements Design
  8. 8. Waterfall Requirements Design Development
  9. 9. Waterfall Requirements Design Development Test
  10. 10. Waterfall Requirements Design Development Test Credit: http://www.flickr.com/photos/tonymangan/611780383
  11. 11. Agile
  12. 12. Agile Waterfall Agile 70 52.5 35 17.5 0 Q1 Q2 Q3 Q4 Q5 Q6
  13. 13. Scrum
  14. 14. Scrum
  15. 15. Scrum Ideal Actual 100 75 50 25 0 1 2 3 4 5 6 7 8 9 10
  16. 16. Scrum Ideal Actual 100 75 50 25 0 1 2 3 4 5 6 7 8 9 10
  17. 17. Scrum Ideal Actual 100 75 50 25 0 1 2 3 4 5 6 7 8 9 10
  18. 18. Productivity
  19. 19. Credit: http://www.flickr.com/photos/shellysblogger/2464975037/
  20. 20. Developer
  21. 21. Lines of Code Developer
  22. 22. More Lines of Code Developer
  23. 23. Goodness More Lines of Code Developer
  24. 24. Goodness More Lines of Code Great Developer
  25. 25. Tester
  26. 26. Bugs Found Tester
  27. 27. More Bugs Found Tester
  28. 28. More Bugs Found More Goodness Tester
  29. 29. More Bugs Found More Goodness Awesome Tester
  30. 30. Company
  31. 31. Sales Company
  32. 32. More Lines of Code Sales Company
  33. 33. More Bugs Sales Company
  34. 34. More Sales Company
  35. 35. More Sales More Money Company
  36. 36. More Sales More Money Happy Customers Company
  37. 37. More Sales More Money Happy Customers Happy Company
  38. 38. More Sales More Money Happy Customers Happy Company Happy Developers
  39. 39. Waiting Development Test Feature 1 64-Bit Priority Bug 2 Testing Bug 17 Feature 11 Priority Bug 7 Feature 18 Bug 4 Feature 42
  40. 40. Waiting Development Test Feature 1 64-Bit Priority Bug 2 Testing Bug 17 Feature 11 Priority Bug 7 Feature 18 Bug 4 Feature 42
  41. 41. Waiting Development Test 64-Bit Testing Feature 1 Priority Bug 7 Priority Bug 2 Feature 18 Bug 17 Feature 11 Bug 4 Feature 42
  42. 42. Waiting Development Test Priority Bug 7 64-Bit Feature 18 Testing Bug 4 Feature 42 Feature 1 Priority Bug 2 Bug 17 Feature 11
  43. 43. Capacity
  44. 44. Waiting [8] Dev [4] Test [2] Feature 1 64-Bit Priority Bug 2 Testing Bug 17 Feature 11 Priority Bug 7 Feature 18 Bug 4 Feature 42
  45. 45. Waiting [8] Dev [4] Test [2] Feature 1 64-Bit Priority Bug 2 Testing Bug 17 Feature 11 Priority Bug 7 Feature 18 Bug 4 Feature 42
  46. 46. Waiting [8] Dev [4] Test [2] 64-Bit Priority Bug 2 Testing Bug 17 Feature 1 Feature 11 Priority Bug 7 Feature 18 Bug 4 Feature 42
  47. 47. Waiting [8] Dev [4] Test [2] Priority Bug 7 64-Bit Priority Bug 2 Testing Bug 17 Feature 1 Feature 11 Feature 18 Bug 4 Feature 42
  48. 48. Lean
  49. 49. Seven Principles Eliminate Waste
  50. 50. Seven Principles Amplify Learning
  51. 51. Seven Principles Decide as late as possible
  52. 52. Seven Principles Deliver as fast as possible
  53. 53. Seven Principles Empower the team
  54. 54. Seven Principles Build Integrity In
  55. 55. Seven Principles See the Whole
  56. 56. Theory
  57. 57. Implementation
  58. 58. Four Steps
  59. 59. Understand Your Existing Process
  60. 60. Understand Your Existing Process Value Stream Map
  61. 61. Customer Emails Rep
  62. 62. Customer Enters Bug to Emails Rep Tracker
  63. 63. Customer Enters Bug to Executive Emails Rep Tracker Review
  64. 64. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix in Version
  65. 65. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to in Version Dev Team
  66. 66. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team
  67. 67. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team Assigned to Test Team
  68. 68. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team Assigned to Tested Test Team
  69. 69. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team Assigned to Release Tested Test Team Planning
  70. 70. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team Assigned to Release Tested Test Team Planning Deploy to Beta Site
  71. 71. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team Assigned to Release Tested Test Team Planning Deploy to Tested Beta Site
  72. 72. Customer Enters Bug to Executive Emails Rep Tracker Review Assigned Fix Assigned to Coded in Version Dev Team Assigned to Release Tested Test Team Planning Deploy to Deploy to Tested Beta Site Production
  73. 73. Customer 1 Enters Bug to 1-2 Executive Months Emails Rep Week Tracker Review 1 Day Assigned Fix 3 Assigned to 2 Weeks Weeks Coded in Version Dev Team 1 Day Assigned to 1 4 Release Week Tested Weeks Test Team Planning 2 Days Deploy to 1 1 Deploy to Week Tested Week Beta Site Production
  74. 74. Customer 1 Enters Bug to 1-2 Executive Months Emails Rep Week Tracker Review 1 Day Assigned Fix 3 Assigned to 2 Weeks Weeks Coded in Version Dev Team 1 Day Assigned to 1 4 Release Week Tested Weeks Test Team Planning 2 Days Deploy to 1 1 Deploy to Week Tested Week Beta Site Production
  75. 75. Reduce Waste
  76. 76. Reduce Waste Seven Wastes
  77. 77. Reduce Waste -> Seven Wastes Partially Done Work
  78. 78. Reduce Waste -> Seven Wastes Extra Features
  79. 79. Reduce Waste -> Seven Wastes Lost Knowledge
  80. 80. Reduce Waste -> Seven Wastes Handoffs
  81. 81. Reduce Waste -> Seven Wastes Task Switching
  82. 82. Reduce Waste -> Seven Wastes Delays
  83. 83. Reduce Waste -> Seven Wastes Defects
  84. 84. Reduce Waste Write Less Code
  85. 85. Reduce Waste SOLID
  86. 86. Reduce Waste Single Responsibility Principle SOLID
  87. 87. Reduce Waste Single Responsibility Principle SOLID Open-Closed Principle
  88. 88. Reduce Waste Single Responsibility Principle SOLID Open-Closed Principle Liskov Substitution Principle
  89. 89. Reduce Waste Single Responsibility Principle Interface Segregation Principle SOLID Open-Closed Principle Liskov Substitution Principle
  90. 90. Reduce Waste Single Responsibility Principle Interface Segregation Principle SOLID Dependency Inversion Principle Open-Closed Principle Liskov Substitution Principle
  91. 91. Reduce Waste TDD
  92. 92. Reduce Waste TDD Test-Driven Development
  93. 93. Reduce Waste Behavior-Driven Development TDD Test-Driven Development
  94. 94. Reduce Waste Behavior-Driven Development TDD Test-Driven Development Acceptance-Test Driven Development
  95. 95. Reduce Waste Minimal Useful Feature
  96. 96. Reduce Waste Justify Every Feature
  97. 97. Reduce Waste Don’t Automate Complexity
  98. 98. Deliver Fast
  99. 99. Deliver Fast Queuing Theory
  100. 100. Deliver Fast Utilization
  101. 101. Deliver Fast Cycle Time
  102. 102. Make it Visible
  103. 103. Make it Visible Big Visible Wall
  104. 104. Make it Visible Big Visible Wall
  105. 105. Make it Visible Big Visible Wall
  106. 106. Make it Visible Kanban Board
  107. 107. Make it Visible Kanban Board
  108. 108. Make it Visible Kanban Board
  109. 109. Make it Visible Dashboard
  110. 110. Make it Visible Dashboard
  111. 111. Make it Visible Build Lamp
  112. 112. Make it Visible Build Lamp
  113. 113. Be Lean
  114. 114. Be Mean
  115. 115. •Cory Foy •Slides at: http://coryfoy.com •Email: foyc at cory foy dot com •Twitter: @cory_foy

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