Rakuten Technology Conference 2014 "Enhancement of team productivity for smart device application" Yosuke Shimizu (Rakuten)

1. Enhancement of team productivity
for smart device application
Oct 25/2014
Yosuke Shimizu
Rakuten, Inc.
DU, Financial Services Department

2. 2
How to achieve
high-speed and low-cost development
Create methodology to build an
efficient development team
Technical approach for job assignment
Trust Boundary
Right man in the right place

3. 3
Trust Boundary
Right man in the right place
Case study

4. 4
Trust Boundary
Right man in the right place
Case study

5. How to create Trust Boundary
5
信頼境界

6. 6
Trust Boundary
α α is UI-area
Web
UI Logic Data
Local
DB
Trust Boundary
Where is
process α ?
β is Data-area
β

7. 7
11
22
Trust Boundary
17
7
15
2
5
9
4
Soccer’s team formation
1
10
Attack !!

8. UI L D
8
Attack !!
Trust Boundary
4
Trust Boundary and “scope & role”

9. 9
Trust Boundary
Right man in the right place
Case study

10. 10
Team management
Right man
in the right place
適材適所

11. 11
Right man in the right place
UI L D
Strategic formation
Building a perfect strategic formation
“Right man in the right”.

12. Right man in the right place
UI L D
12
Define strategically “scope & role”

13. 13
Right man in the right place
System platform skills
Business logic skills + experience
UI Logic Data
Logic & Data area are assigned by team expertise
Of course, speciality and liking are considered.

14. 14
Trust Boundary
Right man in the right place
Case study

15. 15
Low-cost! High-speed! High-efficiency!
Reliable Output!
by
Understanding Strategic Formation
of our team!

16. 16
Case study - Productivity Chart
UI
view function per month
(including layout contents)
1 2 3 4 5
5 ≦ 12 ≦ 18 ≦ 24 ≦ 30 ≦

17. 17
Case study - Productivity Chart
Logic
Logic function per month
1 2 3 4 5
50 ≦ 100 ≦ 150 ≦ 200 ≦ 250 ≦

18. 18
Case study - Productivity Chart
Data
Data function per month
(including data-structure)
1 2 3 4 5
1 ≦ 2 ≦ 3 ≦ 4 ≦ 5 ≦

19. 19
Case study - Productivity Chart
Cost performance
★5 count
Cost
1 2 3 4 5
1 ≦ 4 ≦ 7 ≦ 10 ≦ 13 ≦

20. 20
Case study - Productivity Chart
Strategy
Number of “strategic formation” members
Total member
1 2 3 4 5
＜ 20% 20% ≦ 40% ≦ 60% ≦ 80% ≦

21. 21
Case study - Productivity Chart
Speed
Cost
Actual month count
1 2 3 4 5
1 ≦ 2 ≦ 3 ≦ 4 ≦ 5 ≦

22. 22
iPhone
Application
Case Study
Android
Application
iPad
Application
Smart-device
special function
By focusing on the Smart Device Application

23. 23
Case Study
iPhone Application
We had lack of
UI & Logic engineer.
Using mock-data,
we can proceed UI-Logic
and Data in parallel.

24. 24
Case Study
Android Application
Strategic team formation
was so successful.
Almost no overtime.
Opportunity for new graduate.

25. 25
Case Study
Smart-device
special function
We adopted
Agile development process.
We applied Trust Boundary
concept for the iOS/Android.

26. 26
Case Study
iPad Application
Data was adapted
from existing one.
We took UI/UX-camp
with designers.

27. 27
UI L D

28. 28

29. 29