what's it like to work in an agile development team?psznhn/g52grp/lecturenotes/lecture06... ·...
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What's it like to work in an agile development team?
Sam Wessel & Neil Kilbride
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Who are we?
Sam Wessel@samwessel
Neil Kilbride@neilkilbride
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Who are ?
UK's leading specialist business SMS provider
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Who are ?
● Offices in Nottingham, Barcelona & Melbourne● Almost 50 staff globally● 200,000,000 message processed each year● 6-700,000 messages processed each day● 99% of messages processed within 5 seconds
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The Esendex development team
● Agile team of 8 developers ● We use the latest technologies to deliver first class
messaging APIs and web applications
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What is agile?
● Before agile...● "Code & fix"● Unpredictable● Industry response: apply engineering principles
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Waterfall
● Adds some predictability
● Difficult to estimate● Limited customer involvement● Change is expensive
Long feedback loop!
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A worrying statistic...
Only 32% of IT projects are "delivered on budget, on time, and with expected functionality."
Standish Report, 2009
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G52GRP Suggested Timeline
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Agile Manifesto
http://agilemanifesto.org/
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Agile
"Agile software development is a group of software development methodologies based on iterative and incremental development, where requirements and solutions evolve through collaboration between self-organizing, cross-functional teams. It promotes adaptive planning, evolutionary development and delivery, a time-boxed iterative approach, and encourages rapid and flexible response to change"
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Agile
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So what about the group project?
● Closest university-taught experience to working in a real software development team
● Assess requirements● Organise team members' responsibilities● Work together● Deliver a working piece of software on time
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Project organisation
● Project planning● Kanban ● Stand-up meetings● Retrospectives
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Project planning
● 2 week iterations● Break problems into small, deliverable, estimable
pieces● Define acceptance criteria for each piece of work
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Planning Poker
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Planning Poker
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Kanban 看板
● Lean manufacturing concept created by Toyota, meaning "sign board"
● Make progress visible & identify bottleneck ● Low tech!
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Kanban 看板
Typically story cards will go from TODO to LIVE in 2 days or less!
Your own simplified version?
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Stand-up meetings
● < 5 minutes ● Keep team members informed & raise blocking issues● Focus & sense of team● Would a bi-weekly, stand-up type meetup help you?
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Retrospectives
● End of every iteration ● Inspect & adapt● Set actions to improve
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Software development
● Pair-programming● Source control● Test-driven development● Continuous integration
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Pair-programming
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"The only way to go fast is to go well"
- Uncle Bob Martin
Pair-programming
● Improve code quality● Share knowledge● Maintain focus● Fun & social
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Source control
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Source control
● Save incremental changes to your work● Enables distributed working● Safety● You're crazy if you don't use it● Top tip: commit regularly
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Test-driven development
Commit! Commit!
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Test-driven development
● Provides code confidence● Easy to isolate bugs● Writing good tests forces you to write good code● Tests are living documentation● Time spent debugging is time wasted
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Continuous integration
● Automate the build● Make the build self-testing● Instant feedback● History of successful / unsuccessful builds● Everyone can see what's happening● Continuous deployment
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Live demo
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Do you want to know more?
Sam Wessel@samwessel
Neil Kilbride@neilkilbride
GeekUp Nottingham takes place on the first Monday of every month. It's a grass-roots knowledge sharing and networking social for folks involved or interested in all forms of technology and creative media.
● 18:30 Monday December 5th @ Cape (city centre)