Programmer Anarchy #agileee 2011

1. PROGRAMMER ANARCHY
Antonio Terreno
Forward Internet Group, London, UK
toni@forward.co.uk
@javame
Copyright © 2011 by Forward Internet Group, Ltd 1

2. Experiences at...
Copyright © 2011 by Forward Internet Group, Ltd 2

3. £100m
£3m £7m £13m £27m £55m
£0.5m £0.7m £1.0m £3.9m £10.0m
Performance
£15m
Copyright © 2011 by Forward Internet Group, Ltd 3

4. Why is Forward Working?
Copyright © 2011 by Forward Internet Group, Ltd 4

5. Agile Manifesto
✦ Individuals and interactions over processes and tools✓
✦ Working software over comprehensive documentation ✓
✦ Customer collaboration over contract negotiation ✓
✦ Responding to change over following a plan ✓
Copyright © 2011 by Forward Internet Group, Ltd 5

6. XP Values
✦ Feedback ✓
✦ Communication ✓
✦ ✓
Simplicity
✦ Courage ✓
✦ Respect ✓
Copyright © 2011 by Forward Internet Group, Ltd 6

7. Agile Best Practices Not Used
✦ Stand ups ✦ Unit tests
✦ Story narratives ✦ Acceptance tests
✦ Retrospectives ✦ Refactoring
✦ Estimates ✦ Patterns
✦ Iterations ✦ Continuous integration
✦ Mandatory pairing
Copyright © 2011 by Forward Internet Group, Ltd 7

8. Agile Impact:
Trust
between Customer and Developer
Copyright © 2011 by Forward Internet Group, Ltd 8

9. WHY?
✦ Larger systems
✦ Higher expectations
✦ Volatile commercial
environments
Trust ✦ etc...
waterfall
Copyright © 2011 by Forward Internet Group, Ltd 9

10. ✦ Frequency of interaction
✦ Process impact
✦ Fewer roles (& titles!)
agile/lean
Lean
Kanban
Trust SCRUM Agile
XP
Cultural
Chasm
waterfall
Copyright © 2011 by Forward Internet Group, Ltd Idea from Mark Durrand, uSwitch 10

11. Role impact project
manager
iteration
management manager
Agile
Roles
business development
customer programmer architect
QA developer
BA UI designer
DBA
Copyright © 2011 by Forward Internet Group, Ltd 11

12. Cultural
Chasm
Trust
Cultural
Chasm
Fortune 50 story
waterfall agile/lean
Copyright © 2011 by Forward Internet Group, Ltd Idea from Mark Durrand, uSwitch 12

13. Agile Roles Reduced Again...
✦ Customer ✓
✦ X
Project manager
✦ Business analyst X
✦ Developer ✓
✦ Quality assurance / tester X
✦ Manager of programmers X
Copyright © 2011 by Forward Internet Group, Ltd 13

14. PROGRAMMERBusiness
Open Source ANARCHY
Developer-Driven Development
Copyright © 2011 by Forward Internet Group, Ltd 14

15. ✦ EMPOWERMENT ✦ ANARCHY
✦ Somebody “gives” it ✦ Nobody to ask
Why “ANARCHY”
✦ Somebody can “take
it away”
✦ Can’t stop someone
else
✦ Leads to “Can I ... ?” ✦ Disagreements
expected
Copyright © 2011 by Forward Internet Group, Ltd 15

16. Matching Work and Devs
Stories
Projects Devs
Who?
Stand Up
“Resource Rumble”
Copyright © 2011 by Forward Internet Group, Ltd 16

17. ✦ Development driven by stories
✦ Stories small
Agile Side Effect:
✦ Priority set by customer
Story Tyrannymetrics
✦Story-level estimates and
Problem:
Developers become disconnected
from business problem (Drones)
Copyright © 2011 by Forward Internet Group, Ltd 17

18. Business Decisions Shift...
Cust Dev Cust Dev
Cust Dev
Trust
waterfall agile/lean anarchy
Copyright © 2011 by Forward Internet Group, Ltd 18

19. forwardtechnology.co.uk
Copyright © 2011 by Forward Internet Group, Ltd 19

20. ✦ Prior system:
✦ .NET with SQLServer
Example: Energy Revolution
✦New system:
✦ Ruby, Clojure, C++
✦ MySQL, MongoDB
✦ HAML, SASS
Copyright © 2011 by Forward Internet Group, Ltd 20

21. ✦ Ruby for energy calculation - big improvement!
✦ Rewrote in Clojure
Example: Energy Revolution
✦Rewrote in Clojure (again)
Question: What manager would let them to do it?
Hence: No manager!
Copyright © 2011 by Forward Internet Group, Ltd 21

22. ✦ Old system:
Example:32Clickwith 40% utilization
Ruby-based,
✦ servers Tracking
✦ New system:
✦ Node.js, 22 servers with 10% utilization and lower
latency
Copyright © 2011 by Forward Internet Group, Ltd 22

23. Do or not do,
Sound finances there is no try
Like risk Experimentation
Fear is the
Cultural Enablers drives innovation
mind killer are not failing,
If you
you are not trying
Clarity of Developer
success focused The greatest barrier
to success is
Respected peers the fear of failure
Copyright © 2011 by Forward Internet Group, Ltd 23

24. Agile Best Practices Not Used
Trust w
✦ Stand ups collocation ✦ Unit tests
✦ Story narratives ✦ Acceptance tests
Small,
✦ Retrospectives ✦ Refactoring
short-lived
✦ Estimates ✦ Patterns apps
Results,
✦ Iterations not blame ✦ Continuous integration
✦ Mandatory pairing Continuous
deployment
Copyright © 2011 by Forward Internet Group, Ltd 24

25. ✦ Different extent by team
Reality Check
✦ Talent, experience, apprehension
✦ Anarchy exists in how Anarchy is implemented
✦ Even our best Anarchists “ask” on occasion
✦ Commercial success driving freedom
Copyright © 2011 by Forward Internet Group, Ltd 25

26. Anarchy dangers
✦ Works well with teams that are at a Ri level
✦ From anarchy to dictatorship
✦ Work in progress Excess
Copyright © 2011 by Forward Internet Group, Ltd 26

27. Go home with this line
✦ Agile is learn how to embrace agile practises and then
learn how to take them off and then back in,
depending on the context
Copyright © 2011 by Forward Internet Group, Ltd 27

28. PROGRAMMER ANARCHY
Copyright © 2011 by Forward Internet Group, Ltd 28