Building Lean
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Real Lean Software Development, the history, the application, the gotchas. Presented at QCon Shanghai in 2014.
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Building Lean
- 1. October 9, 2014 Building Lean Kevin Goldsmith Director of Engineering Spotify AB Stockholm, Sweden
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- 5. The one thing you can’t recycle is wasted time. Taiichi Ohno 6
- 6. What is Lean? Key Lean Concepts Anything that doesn’t produce value for customers is waste and a candidate for elimination 7
- 7. What is Lean? Key Lean Concepts Get value to customers as quickly as possible 8
- 8. What is Lean? Key Lean Concepts Validate product/market fit in the shortest amount of time necessary 9
- 9. What is Lean? Key Lean Concepts Scientific, data-driven, approach 10
- 10. What is Lean? Key Lean Ideas Minimum Viable Product 11
- 11. What is Lean? 12
- 12. What is Lean? Key Lean Ideas Create hypotheses, validate with experiments and DATA 13
- 13. What is Lean? Key Lean Ideas Learn fast, fail fast 14
- 14. What is Lean? Key Lean Ideas The speed of iteration is more important than the quality of iteration - John Boyd 15
- 15. Using Lean To Build a New Product 16
- 16. Using lean in a non-lean company The Environment Traditional hierarchical organization Open to innovation but still has difficulty with change Silos by function 17
- 17. Using lean in a non-lean company The Strategy Launch fast Stay small Stay under the radar Bring other functions into the process 18
- 18. Using lean in a non-lean company Overcoming doubt Ruthlessly cut features to make the launch 19
- 19. Using lean in a non-lean company Overcoming doubt Ruthlessly cut features to make the launch Commit to consistent, quick, iterations to make up the features we cut 20
- 20. Using lean in a non-lean company The release train 21 Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Development Stabilization Beta 1 Beta 2 Release
- 21. Using lean in a non-lean company The release train 22
- 22. Using lean in a non-lean company The release train 22 Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Development Stabilization Beta 1 Beta 2 Release
- 23. Using lean in a non-lean company The release train 22 Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Development Stabilization Beta 1 Beta 2 Release Week 3 Week 4 Week 5 Week 6 Stabilization Beta 1 Beta 2 Release Week 1 Week 2 Week 3 Week 4 We Development Sta Beta 1 Bet
- 24. Using lean in a non-lean company The release train 23 4 Weeks Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Development Stabilization Beta 1 Beta 2 Release Week 3 Week 4 Week 5 Week 6 Stabilization Beta 1 Beta 2 Release Week 1 Week 2 Week 3 Week 4 We Development Sta Beta 1 Bet
- 25. Using lean in a non-lean company The release train 23 4 Weeks Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Development Stabilization Beta 1 Beta 2 Release Week 3 Week 4 Week 5 Week 6 Stabilization Beta 1 Beta 2 Release Week 1 Week 2 Week 3 Week 4 We Development Sta Beta 1 Bet 12 releases / year
- 26. Using lean in a non-lean company The release train 24 Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Wee Development Week 4 Stabilization Release
- 27. Using lean in a non-lean company The release train 25 3 Weeks 3 Weeks 3 Weeks Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Wee Development Week 4 Stabilization Release
- 28. Using lean in a non-lean company The release train 25 3 Weeks 3 Weeks 3 Weeks Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Week 2 Week 3 Week 4 Development Stabilization Beta Release Week 1 Wee Development Week 4 Stabilization Release 17 releases / year
- 29. Using lean in a non-lean company Lessons learned Bring everyone into the process Counter fear/doubt with speed & commitment Trim to the MVP, but iterate quickly 26
- 30. Using Lean at the Feature Level 27
- 31. Using Lean at the Feature Level 28
- 32. Using Lean at the Feature Level Investment 29 Invest ment Time Think it Build it Ship it Tweak it
- 33. Using Lean at the Feature Level Investment 30 Invest ment Time Think it Build it Ship it Tweak it
- 34. Using Lean at the Feature Level Investment 31 Invest ment Time Think it Build it Ship it Tweak it
- 35. Using Lean at the Feature Level Investment 31 Invest ment Time Think it Build it Ship it Tweak it Paper Prototypes UI Mockups User Testing
- 36. Using Lean at the Feature Level Investment 31 Invest ment Time Think it Build it Ship it Tweak it Paper Prototypes UI Mockups User Testing MVP Employee Testing
- 37. Using Lean at the Feature Level Investment 31 Invest ment Time Think it Build it Ship it Tweak it Paper Prototypes UI Mockups User Testing MVP Employee Testing Gradual Rollout A/B Testing User Testing Analytics Validation
- 38. Using Lean at the Feature Level Investment 31 Invest ment Time Think it Build it Ship it Tweak it Paper Prototypes UI Mockups User Testing MVP Employee Testing Gradual Rollout A/B Testing User Testing Analytics Validation A/B Testing User Testing Analytics Validation
- 39. Using Lean at the Feature Level Lessons learned Can scale lean down successfully to a feature level Pick your metrics carefully Data is more valuable than opinion Can get trapped in incremental improvement 32
- 40. Building Lean Tack! Twitter: @KevinGoldsmith e-mail: goldsmith@spotify.com Spotify: spotify:user:intonarumori 33