OPEN SOURCE WITHIN CORPORATE WALLS

1. OPEN SOURCE WITHIN CORPORATE WALLS 20-06-2019 HONG PHUC DANG @hpdang

2. About @hpdang InnerSource manager @Zalandotech Founder @FOSSASIA - FOSSASIA.ORG Board director of Open Source Initiative (OSI)

3. Zalando at a glance ~ 5.4 billion EUR > 214 million revenue 2018 > 15.000 > 70% employees in Europe of visits via mobile devices visits per month > 300.000 > 26 product choices million ~ 2.000 17 brands countries active customers

4. We are constantly innovating technology help our brand to HOME-BREWED, CUTTING-EDGE & SCALABLE WIN ONLINE technology solutions ~ 2,000 employees from 77 nations 7 tech locations (HQs in Berlin)

5. OPEN SOURCE CONTRIBUTION

6. 199 active Zalando projects written in 16 different languages,with 883 contributors

7. Zalando GitHub Orgs Zalando Incubator Zalando Zalando Research Zalando-Nakadi Zalando-Stups Zalando-Zmon

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12. Organisational Structure Of Zalando Open Source EMPLOYER BRANDING COMPLIANCE OPEN SOURCE REVIEW GROUP DIVERSITY OPEN SOURCE GUID SECURITY MANAGEMENT

13. Open Source Release Process 1. Get sign-off 2. Prepare your repository 3. Submit your project for review 4. Incubation period 5. Graduation 6. Offboarding a Project

14. INNERSOURCE = OPEN SOURCE WITHIN THE WALLS

15. “InnerSource is the use of open source software development best practices and the establishment of an open source-like culture within organizations.” - Tim O’Reilly 2000

16. Tools and Practices

17. Correctness Compliance GDPR Security Cost Efficiency 24x7 On Call Governance Resilience Capacity ... Developer Journey

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20. opensource.zalando.com/tech-radar

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27. Knowledge Sharing

28. Internal Guilds Zalando Tech Community ~2000 people Scala API OPEN SOURCE DATA SCIENCE Tech Interviewing WEB GUILD TECHNOLOGISTS Agility Producer Databases Python Clojure Cassandra SRE Diversity Guild General Gaming

29. Communications zLife

30. Sharing Platforms

31. Team and Cross-Team Collaboration

32. The Way of Working Agile Daily Scrum Sprint Planning Backlog Refinement Retrospective Meeting Cross-team alignment with facilitators All hands “postits” by Peer 2 Peer University (https://flic.kr/p/bt51RX)

33. > 200 development teams Platform

34. Measurement

35. Delivery Performance Metrics ❖ Lead Time ❖ Release Frequency ❖ Time to Restore Service ❖ Change Fail Rate

36. InnerSource: Lessons Learned Understand the problems Listen to your engineers Explore existing tools Make a business case Define measurable impacts

37. QUESTIONS? HONG PHUC DANG @hpdang