From Developer Pain to Impact: Establishing Large Scale Refactoring at SAP
summary
Enterprise builds a centrally hosted, scalable refactoring platform using OpenRewrite and a mix of bots, GitHub Actions and AI to onboard repos automatically. Adoption grows from grassroots workshops into an InnerSource model linking central platform teams with product units. Metrics: 4,000 UI repositories for one cloud ERP line and ~3.5–4,000 recipes live now, aiming at 100,000 dev scale next year. Roadmap targets automated Java and Spring Boot upgrades with reusable recipes; platform runs at scale in GCP and shows stable rollouts so far.
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chapters (12)
- 0:00Introduction to large scale refactoring
- 6:55SAP’s cloud transformation journey
- 12:44Decades of stability vs modern velocity
- 19:15Politics behind enterprise refactoring
- 23:26Convincing product owners on technical debt
- 26:39Engaging operations and IT teams
- 30:15Business cases for refactoring platforms
- 36:01Executive buy-in and innovation stories
- 40:24Scaling refactoring in large enterprises
- 43:15Building inner source communities
- 47:39Automating onboarding and adoption
- 49:00Summary and future plans
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