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Failed and Successful Stories with Technical Debt
- 1. Failed and successful stories with Technical Debt Antonio Cobo @Mind_of_AC
- 2. “Technical debt is a concept in software development that reflects the implied cost of additional rework caused by choosing an easy solution now instead of using a better approach that would take longer.” - Wikipedia Antonio Cobo @Mind_of_AC
- 3. “Technical debt is a concept in software development that reflects the implied cost of additional rework caused by choosing an easy solution now instead of using a better approach that would take longer.” - Wikipedia Antonio Cobo @Mind_of_AC
- 4. Antonio Cobo @Mind_of_AC but also…
- 5. A bad code review process (or a non existing one) will generate unconsciously Technical Debt Antonio Cobo @Mind_of_AC but also…
- 6. Antonio Cobo @Mind_of_AC Who am I? Delivery Manager Software developer2000 2018
- 7. Antonio Cobo @Mind_of_AC Who am I? Java Developer Head of Backend Development Technical Project Manager Project Manager Agile Project Manager Scrum Master Agile Delivery Consultant Delivery Manager IT Manager Software developer2000 2018 Senior Agile Delivery Consultant
- 8. Antonio Cobo @Mind_of_AC What’s the accent?
- 9. Antonio Cobo @Mind_of_AC What’s the accent? By Box Repsol | Flickr - https://www.flickr.com/photos/box_repsol/26877535660/, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=53803565 By si.robi - Nadal US16 (43), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=52043937
- 17. What Business think Antonio Cobo @Mind_of_AC
- 18. What Business think Antonio Cobo @Mind_of_AC
- 19. What Devs think Antonio Cobo @Mind_of_AC
- 20. What Devs think Antonio Cobo @Mind_of_AC
- 21. Explain technical debt using business words Antonio Cobo @Mind_of_AC
- 22. Explain technical debt using business words Antonio Cobo @Mind_of_AC Impact on our customers
- 23. Explain technical debt using business words Antonio Cobo @Mind_of_AC Impact on our customers Impact on our brand
- 24. Explain technical debt using business words Antonio Cobo @Mind_of_AC Impact on our customers Impact on our brand
- 25. Antonio Cobo @Mind_of_AC Chapter 1: The bad teacher
- 26. Antonio Cobo @Mind_of_AC Situation: • Junior Developer • Big company • “Senior” Developer with no real experience • Fixed Price contract • Save as much money as you can mentality
- 30. Antonio Cobo @Mind_of_AC Bad team work
- 31. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices
- 32. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices Not making the junior developer to think
- 33. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices Not making the junior developer to think If the original class used as a model is poorly written
- 34. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices Not making the junior developer to think If the original class used as a model is poorly written
- 35. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices Not making the junior developer to think If the original class used as a model is poorly written
- 36. Antonio Cobo @Mind_of_AC Chapter 2: The sellotape fix
- 37. Antonio Cobo @Mind_of_AC Situation: • Extremely optimistic deadline • Development manager asked to be “hands on” • We MUST deliver something tomorrow • After helping the team, it’s late and DM is alone
- 43. Antonio Cobo @Mind_of_AC Chapter 3: The Outlaw
- 44. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Refactoring a small part… • Without telling anyone
- 47. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Refactoring a small part… • Without telling anyone
- 48. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Refactoring a small part… • becoming bigger and bigger and bigger… • Without telling anyone
- 53. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Discuss with the Team • Refactor
- 57. Antonio Cobo @Mind_of_AC Chapter 4: The good team
- 58. Antonio Cobo @Mind_of_AC Situation: • Seven senior developers + PO • Long term product development • Some intermediate tight deadlines • Second retrospective and Tech Debt is here!
- 59. Added technical debt as new issue type in the backlog Antonio Cobo @Mind_of_AC
- 60. Antonio Cobo @Mind_of_AC Technical debt tickets were prioritised alongside the stories and tasks
- 62. Antonio Cobo @Mind_of_AC Good team work
- 63. Antonio Cobo @Mind_of_AC Good team work Communication between devs and PO
- 64. Antonio Cobo @Mind_of_AC Good team work Communication between devs and PO Manage to reduce the technical debt fast after its creation
- 65. Antonio Cobo @Mind_of_AC Good team work Communication between devs and PO Manage to reduce the technical debt fast after its creation
- 66. Antonio Cobo @Mind_of_AC Good team work Communication between devs and PO Manage to reduce the technical debt fast after its creation
- 67. Antonio Cobo @Mind_of_AC Chapter 5: It’s a trap!
- 68. Antonio Cobo @Mind_of_AC Evil Team Member
- 69. Antonio Cobo @Mind_of_AC Evil Team Member
- 70. Antonio Cobo @Mind_of_AC Evil Team Member
- 71. Antonio Cobo @Mind_of_AC Evil Product Owner
- 72. Antonio Cobo @Mind_of_AC Evil Product Owner
- 73. Antonio Cobo @Mind_of_AC Evil Product Owner
- 76. Antonio Cobo @Mind_of_AC Chapter 6: Avoiding the trap
- 77. Antonio Cobo @Mind_of_AC Scenario: Evil Team Member
- 79. We agreed to dedicate a % of time to repay our debt on each sprint Antonio Cobo @Mind_of_AC
- 80. We reviewed that % on every retrospective Antonio Cobo @Mind_of_AC
- 81. Show improvements in the demo Antonio Cobo @Mind_of_AC
- 82. Show improvements in the demo Antonio Cobo @Mind_of_AC
- 83. Antonio Cobo @Mind_of_AC Chapter 7: The storyteller
- 84. Antonio Cobo @Mind_of_AC Scenario: Evil Product Owner
- 85. Antonio Cobo @Mind_of_AC Make it a story!
- 87. Antonio Cobo @Mind_of_AC “Improve how we handle DB concurrent connections”
- 88. Antonio Cobo @Mind_of_AC “Improve how we handle DB concurrent connections”
- 89. Antonio Cobo @Mind_of_AC “Improve how we handle DB concurrent connections” As a Head of Product I want to enable special sales events in our website (ie. Black Friday) so that we can increase our revenue
- 90. Antonio Cobo @Mind_of_AC “Improve how we handle DB concurrent connections” As a Head of Product I want to enable special sales events in our website (ie. Black Friday) so that we can increase our revenue
- 91. §
- 93. Scout Camp Rule Leave the code you touch cleaner than the way you found it! Antonio Cobo @Mind_of_AC
- 94. CODE REVIEW Never approve added technical debt! Challenge and suggest improvements while reviewing Antonio Cobo @Mind_of_AC
- 95. Antonio Cobo @Mind_of_AC https://www.lynda.com/Business-Skills-tutorials/Communication-Tips/170778-2.html Communication, communication, communication!
- 97. Antonio Cobo @Mind_of_AC …and they lived happily ever after. THE END