Immobilien Scout24 – Introduction and Use of Agile Methods for Software Development

Transcript

1. www.immobilienscout24.de ImmobilienScout24 Introduction and use of agile methods for software development www.immobilienscout24.de Berlin | 23.06.2009 | André Neubauer
2. Page 2 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Contents (1)  Facts (2)  Retrospection (3)  Introduction of agile processes and methods (4)  Review (5)  Outlook
3. Page 3 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Chapter 01 (1)  Facts (2)  Retrospection (3)  Introduction of agile processes and methods (4)  Review (5)  Outlook
4. Page 4 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Facts – ImmobilienScout24 "   ImmobilienScout24 is the leading real estate portal in the German speaking countries. With more than 450 employees in Berlin we hope to offer the best service to all our customers: "   >3.7 MM unique users/ month "   > 1 BN page impressions/ month "   > 150 MM virtual real estate visits/ month (viewing of exposé) "   > 1.2 MM real estate objects/ month "   > 95.000 real estate providers/ month
5. Page 5 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Facts – ImmobilienScout24 "   Team leader IT development, professional agents "   Teamdesign & -development, Introduction of agile methods for software development "   Graduated in computer sciences, business informatics "   Certified ScrumMaster "   Member of Java user group Berlin Blog: http://www.devpg.com Twitter: http://www.twitter.com/devpg
6. Page 6 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Chapter 02 (1)  Facts (2)  Retrospection (3)  Introduction of agile processes and methods (4)  Review (5)  Outlook
7. Page 7 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Waterfall modell " Idea " Analysis " Design " Implementation " Post-processing Source: Wikimedia Commons
8. Page 8 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Retrospection Project A " > 800 MD " Two dedicated project managers " Departments for software development and testing nearly completely blocked " Continuous maintenance of project plan based on real progress Project B " > 220 MD " Two releases too late " More than 75 bugs, a lot of them critical " First release didn’t really fit customer expectations " Explicit assignment of tasks
9. Page 9 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Retrospection – Problems " Long running projects without iterations " Succession projects (neverending projects) " Long time to market " Missing company wide prioritization " Unreproducible re-prioritization " Classic project business " Unhappiness of product managers and developers
10. Page 10 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Chapter 03 (1)  Facts (2)  Retrospection (3)  Introduction of agile processes and methods (4)  Review (5)  Outlook
11. Page 11 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Introduction of Scrum "   02/2008 Two product managers and two IT team leader attended a Certified Scrum Master (CSM) training "   06/2008 Recommendation of the CSMs regarding a Scrum introduction at IS24 "   08/2008 Combined CSM and CSPO training for product manager and software developer (36 EE) "   09/2008 Start of the first IS24 Scrum team "   03/2009 Second wave of training for managers and team leads "   05/2009 Company wide Scrum introduction completed Driven by IT-management
12. Page 12 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Introduction of Scrum Task Sep Oct Nov Dec Jan Feb Mar Apr Mai Jun Jul Aug Sprint 4 – PMI 2 Sprint 7 – PMI 3, BBP Sprint 13 – OC1, OC2a/b Sprint 15 – SAT Sprint 1 – PMI 1 Sprint 17 – OM Sprint 15 – PMI 4, C&S
13. Page 13 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Introduction of Scrum "   No cross-functional teams "   Additional support via support teams "   Two week sprints until 03/2008, now three week sprints "   Daily sync between teams and exchange of impediments Wednesday (week 1) Week 2 Tuesday (week 3) Sprint Planning 1 Daily standup Review Estimation meeting Sprint Planning 2 Retrospective
14. Page 14 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Introduction of agile methods "   Pair programming "   Establish IT-specialists within the team to be independent "   Continuous refactoring "   Permanent testing Source: http://www.cenqua.com/pairon This is not XP!
15. Page 15 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Chapter 04 (1)  Facts (2)  Retrospection (3)  Introduction of agile processes and methods (4)  Review (5)  Outlook
16. Page 16 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Review " Product business instead of project business (which is much better for our business) " Company wide backlog and priorization to get a vision what is needed " Reduced time to market " Increased software quality " Satisfaction of product owner, customer and developer " Scrum is the right scope to improve sw/hw structure continuously About 70% of complete Scrum organisation reached
17. Page 17 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Review – Trend: projects vs. todos 0 2 4 6 8 10 12 14 16 0 20 40 60 80 100 120 140 Projects Todos Linear (Todos) Linear (Projects)
18. Page 18 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Review – Trend: bugs/ release 0 50 100 150 200 250 300 Testing Production Sum Overall Linear (Overall)
19. Page 19 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Review – Success story „Objekt-Archiv“ " Implementation within one sprint (three weeks) " No errors during testing " After 9 weeks available at ImmobilienScout24 " Enthusiasm of PO and customers Starting point: Go in circles for more than 18 months
20. Page 20 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Review – Lessons learned " Use external coach to implement Scrum (it is a rocky road) " Involve whole company including top management " Scrum will expose problems and bottlenecks " Use Scrum masters to improve the organisation " Scrum for external and virtual teams needs additional attention " Have a periodical review to ensure you are on track " Scrum will change your company
21. Page 21 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Review – Lessons learned at daily business " Have as less dependencies as possible " Solve impediments as early as possible " Use sprint planning to get a common understanding about stories, tasks and implementation " Sprint review is not about acceptance but feedback " Daily Scrum is not for discussion " Stories should be worked on serially
22. Page 22 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Chapter 05 (1)  Facts (2)  Retrospection (3)  Introduction of agile processes and methods (4)  Review (5)  Outlook
23. Page 23 | ImmobilienScout24 – Introduction and use of agile methods for software development | André Neubauer Outlook "   Get the last 30% to be complete Scrum organization "   Scrum master organization as incubation centre for a common understanding of Scrum "   Continuing reduce time to market "   Include remaining departments in agile procedure "   Involve QA earlier "   Optimize build and deployment (“continuous deployment”) "   Rethink team size and structure "   Periodical review and use of best practices Still things to improve
24. www.immobilienscout24.de Contact: Immobilien Scout GmbH Andreasstraße 10 10243 Berlin Fon: +49 (0)30 243 01-1571 Email: andre.neubauer@immobilienscout24.de URL: www.immobilienscout24.de Thank you for your attention!