Agile Development in a Nutshell

@JuttaEckstein | JEckstein.com
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Jutta Eckstein | @JuttaEckstein
JEckstein.com
linkedin.com/in/juttaeckstein
Agile Development in a Nutshell

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www.JEckstein.com
linkedin.com/in/juttaeckstein
Agile Development in a Nutshell

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Agile Manifesto: A Value System, Culture, Attitude
Source:
http://agilemanifesto.org

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Agile Principles
◼ Value system is based on the following principles:
– Early and continuous delivery of valuable software
– Welcome changing requirements
– Deliver working software frequently
– Business people and developers work together
– Trust motivated individuals
– Face-to-face conversation
– Working software is the primary measure of progress
– Promote sustainable development
– Technical excellence and good design
– Simplicity is essential
– Self-organizing teams
– Team reflection and adjustment

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Software Development
◼ Common knowledge
– Working software is the primary measure of progress
– Requirements will change over time
– Customer feedback is needed for shaping the system
◼ But, here‘s what we often do:
– Try to clarify the requirements up front
– Make assumptions if we‘re uncertain
– Be surprised / offended if the customer changes their mind

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Agile Software Development
◼ Prioritizing, planning, and learning are ongoing activities

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Planning
◼ Coarse grained planning with releases
– Steered by stakeholders
◼ Fine grained planning with iterations/sprints (just-in-time)
– By developers
◼ Continuous improvement
– Planning is an ongoing activity
– Quality of the plan is continually improved
– Retrospectives help to get more effective

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Ensuring the Business Value
◼ Customer / product owner
– Decides on highest business value
– Steers the iteration
– Provides feedback on delivery
– Obtains feedback from the teams
◼ Represents customer perspective

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Coach (aka Scrum Master)
◼ Responsible for:
– Coaching team in self-organization and creation of valuable products
– Cooperation with roles and functions interfacing the team
– Removing barriers
◼ Ensures:
– Process is understood
– Organization of team meetings
– The organization supports and understands the process

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Self-Organizing Team
◼ Cross-functional
◼ Organizes itself and its work
◼ Integration instead of separation
– Competency, responsibility, and task inseparable

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Deliver Working Software Frequently
◼ Balance risk reduction with feature accomplishment
◼ Development cycles:
– Two-week iterations have been proven
– Three to six iterations mark a releases
◼ Time-boxed development:
– Knowledge about how you’re making progress
– Early ROI

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Focus of Planning
◼ Foundation for planning effort:
– User stories that
• Provide a business value for somebody
• Are measurable
– Therefore each story needs to clarify
• Who can accept it
• By what criteria
◼ Plan for user story accomplishment
– Including integration, test, and acceptance

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Continuously Learning by Reflection
◼ Review
– Working system provides direct feedback
• Integration, quality, acceptance, ...
◼ Retrospectives enable continuous
improvement
– Recognize and extract best practices
– Reflection on & optimization of the process
– As a team get more effective & efficient

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Quality
„At the end of the development, you can‘t test quality into the system.“
Hermann Mikula
◼ Quality is an inherent ingredient of development
– QA is part of the team
◼ Pay attention to regular feedback via continuous integration and tests
– Test automation on all levels
– Continuous improvement by refactoring

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Personal Development
◼ Regard failures as learning possibilities
– Not as malfunction
◼ Learning is required by everyone at any time
◼ Sustainable Improvement
– Continuous reflection and improvement
– Everyone has to act self-responsibly

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Example Agile Development Approach: Scrum

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Jutta@JEckstein.com
http://JEckstein.com
Many Thanks and… Stay in Touch:

Agile Development in a Nutshell

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