Agile Software Development Explained in 30 Minutes

I am…..…

www.ticketslk.com
Sameera
Team lead / Senior Software Engineer
Ridgecrest Asia (pvt) Ltd

Agile software development with scrum
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Let’s try and find out
• What is agile ?
• What is scrum ?
• Will scrum really be able to solve all your
problems ?

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Software development..

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Agile in my eyes
Comes in handy to find out mistakes/errors at
the early stages

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What is in the Agile “Game”???
• Iterative development.
• Cross functional teams.
• Expecting changes.
• Frequent inspection and adaptation.
• Teamwork / leadership.

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Agile’s walk from the Past…..
The modern definition of agile software development evolved in the mid-1990s as part of a reaction
against "heavyweight" methods, perceived to be typified by a heavily regulated, regimented, micro-
managed use of the waterfall model of development. The processes originating from this use of the
waterfall model were seen as bureaucratic, slow, demeaning, and inconsistent with the ways that
software developers actually perform effective work. A case can be made that agile and iterative
development methods mark a return to development practice from early in the history of software
development.[1] Initially, agile methods were called "lightweight methods.“

An adaptive software development process was introduced in a paper by Edmonds (1974). [2] Notable
early Agile methods include Scrum (1995), Crystal Clear, Extreme Programming (1996), Adaptive
Software Development, Feature Driven Development, and Dynamic Systems Development Method
(DSDM) (1995). These are now typically referred to as Agile Methodologies, after the Agile
Manifesto published in 2001.

In 2001, 17 prominent figures[3] in the field of agile development (then called "light-weight methods")
came together at the Snowbird ski resort in Utah to discuss ways of creating software in a lighter,
faster, more people-centric way. They coined the terms "Agile Software Development" and "agile
methods", and they created the Agile Manifesto, widely regarded as the canonical definition of
agile development and accompanying agile principles. Later, some of these people formed The
Agile Alliance,[4] a non-profit organization that promotes agile development.

Wikipedia

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Principles of agile development
• Individuals and interactions over processes
and tools
• Working software over comprehensive
documentation
• Customer collaboration over contract
negotiation
• Responding to change over following a plan
http://agilemanifesto.org/

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Agile methods…

• Extreme Programming (XP).
• Scrum.
• Getting Real (37Signals).
• Etc..

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Pig and Chicken
• A pig and a chicken are walking down a road.
The chicken looks at the pig and says, "Hey,
why don't we open a restaurant?" The pig
looks back at the chicken and says, "Good
idea, what do you want to call it?" The chicken
thinks about it and says, "Why don't we call it
'Ham and Eggs'?" "I don't think so," says the
pig, "I'd be committed, but you'd only be
involved."
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Let’s start the story…..

• Product
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Product should have a…

Product owner who represents Stakeholders
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Product should have a..

Product backlog
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Product owner has to ensure..

• The product backlog will only contain necessary features.

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Then comes the Scrum Master

• Facilitator
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Following him the Scrum Team

• Cross functional 7-9 people

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Then they create Release backlog

• Release backlog is a subset of product
backlog.
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Then it is divided to sprint backlogs

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Wait.. Let’s break it down…

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They have Daily Standup

• What have you done since yesterday?

• What are you planning to do today?

• Do you have any problems preventing you from accomplishing
your goal?

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What about bugs ?

•Should be fixed as and when you find it.

•Might have 1-2 more sprints to fix critical
bugs.

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They measure their work with
Burn down charts

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Then they have Sprint Review
Meeting

• Present the completed work to the
stakeholders (a.k.a. "the demo")
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Finally …Sprint Retrospective meeting

• Discussion about completed sprint.
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…..

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Is Agile / Scrum, the Aladin’s lamp ?

• No, Agile also can go wrong..

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Q&A

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Agile Software Development Explained in 30 Minutes

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