Feel the FP-ness
18
Sussex University, 11 th February 2009 Feel the FP-ness Building and running a software company on agile principles
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Presented by Tom Hume at Sussex University, February 2009: a talk on the topic of running a software company along agile principles.
Transcript of Feel the FP-ness
Sussex University, 11th February 2009
Feel the FP-nessBuilding and running a software companyon agile principles
where it all began
“and they have a plan”
we sell puzzles
we invent new kinds of play
we hunt ghosts
Everyone knows how to build software
- Winston W Royce “The implementation above is risky and invites failure”
It didn’t seem to be working so well
Corporate growth pains
We tried Scrum previously and messed it up
We engaged a consultant to help us
Scrum in 3 minutes
SCRUM – AN INTRODUCTION Scrum is based on what is called a Sprint – a focused effort for a 30-day period toward fixed goals.
2–4 weeks
S P R I N T
24 hours
ProductBacklog SprintBacklog
Deliverable
Roles: Product Owner, Scrum Master, Team
Sprints never change length
Sprint backlog is fixed for sprint duration
Daily standups
One product owner
One product backlog
Prioritised requirements
Focused team
Immediate benefits
Change welcomed
Early visible progress
Realistic projections
Minimal overhead
Rationalised stakeholders!
Definitive TODO list
2 weeks til deadline, not 6 months
How fast you will go = how fast you have gone
technical practices
Unit TestingCode ReviewsSource ControlDefect Tracking
Informal LecturesContinuous Integration
Test Driven DevelopmentExplicit Acceptance Tests
Never Leave A Man BehindAutomated User InterfaceTesting
It’s more discipline, not less
Daily meetings
Problems surface early
Planning, review and retrospective always happen
Dealing with change, not discouraging it
“Wireframes are pretty much there. Should
be able to sign them off next week.”
5 months
Thanks to:
- Competitive pressure
- Mid-project learning
- Usability testing
- Unpredictable good ideas
81 revisions to date
Change is going to happen - deal with it Don’t blame the customer
Expect some negativity
Our dev team are as cynical as I am
Some people don’t like working this way
(you should be able to incorporate them)
Scrum gets used in high-pressure environments e.g. medical
“You know nothing of The Crunch”
Spread workload evenly over project life
Plan and replan regularly
Team run at constant pace
Sustainable working life
We’ve eliminated culture of overtime
we still don’t understand...
Join us
We’re special
