Lessons learned failing to manage technical debt - PMDay Autumn Kyiv 2018
- 1. Lessons learned failing to manage 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? 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
- 7. 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
- 11. Antonio Cobo @Mind_of_AC Bad team work
- 12. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices
- 13. Antonio Cobo @Mind_of_AC Bad team work Not teaching good practices Not making the junior developer to think
- 14. 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
- 15. 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
- 16. 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
- 17. 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
- 23. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Refactoring a small part… • Without telling anyone
- 24. Antonio Cobo @Mind_of_AC https://blog.frankel.ch/dont-talk-about-refactoring-club/
- 25. Antonio Cobo @Mind_of_AC https://blog.frankel.ch/dont-talk-about-refactoring-club/
- 26. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Refactoring a small part… • Without telling anyone
- 27. 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
- 32. Antonio Cobo @Mind_of_AC Situation: • Developer finding Tech Debt • Willing to correct it • Discuss with the Team • Refactor
- 37. We agreed to dedicate a % of time to repay our debt on each sprint Antonio Cobo @Mind_of_AC
- 38. We reviewed that % on every retrospective Antonio Cobo @Mind_of_AC
- 39. Show improvements in the demo Antonio Cobo @Mind_of_AC
- 40. Show improvements in the demo Antonio Cobo @Mind_of_AC
- 41. Antonio Cobo @Mind_of_AC Make it a story!
- 43. Antonio Cobo @Mind_of_AC “Improve how we handle DB concurrent connections”
- 44. Antonio Cobo @Mind_of_AC “Improve how we handle DB concurrent connections”
- 45. 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
- 46. 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
- 48. CODE REVIEW Never allow to approve added technical debt! Challenge and suggest improvements while reviewing If it needs to be approved, then document the technical debt! Antonio Cobo @Mind_of_AC
- 49. Antonio Cobo @Mind_of_AC https://www.lynda.com/Business-Skills-tutorials/Communication-Tips/170778-2.html Communication, communication, communication!