agile drupal development with scrum

Agile Drupal Development with Scrum

3. September 2009Philipp Schroeder, Liip AGMori Sugimoto, Diasporan

Philipp SchroederProject manager at Liip AGSwitzerland - Fribourg, Zurich & Berne

Mori SugimotoFreelance Drupal consultant / developerbased in London, UK

A brief introduction to Scrum

Benefits of Scrum from- a company’s point of view and- a freelancer’s point of view

We are not expert ScrumMasters, but we find Scrum very useful and want to share our experience.

Please feel free to fill in.

What is Scrum?

A process skeleton designed to deliver a product incrementally in smaller components,(rather than in one big chunk)

What is Scrum?

A process skeleton designed to deliver a product incrementally in smaller components,(rather than in one big chunk)

Web 2.0

Social NetworkingMicro blogging

Let me try out Panels 3,

please$$$

Sales DeveloperClient

Why Scrum?

Web 2.0

Social NetworkingMicro blogging

Let me try out Panels 3,

please$$$

Sales DeveloperClient

Why Scrum?

DeveloperClient

Let's build the

best website

$ XXXXX

A developer’s story

‣My clients often come to me with a set budget with lots of features, as soon as possible

‣I don't want to make false assumptions about what I can deliver for that budget

‣Yet, I want to do work and get paid

Scrum helps achieving this

Scrum helps...‣clients focus on crucial features

‣clients to become realistic about what can be achieved

‣developers work in a self-organised way

‣to collaboratively explore and find the right solution

‣to keep building the solution at a fast pace

How does Scrum work?

In the beginning:The product backlog

Product backlog

ID Story Importance

1As an editor, I want to have an easy-to-use text editor 850

2As a potential investor, I want to read the organisation’s achievements 900

3As a visitor, I want to see an animation of a cheerful mouse waving in the home page 100

Product backlog

ID Story Importance

1As an editor, I want to have an easy-to-use text editor 850

2As a potential investor, I want to read the organisation’s achievements 900

3As a visitor, I want to see an animation of a cheerful mouse waving in the home page 100

Product backlog

Product Backlog(requirements)

Process of Scrum

Sprint planning

Process of Scrum

Sprint planning

Development

Process of Scrum

Sprint planning

Development

Process of Scrum

Sprint planning

Delivery / Sprint review

Development

Process of Scrum

Sprint planning

Sprint retrospective

Development

Process of Scrum

Sprint planning

Development

Process of Scrum

Sprint planning

Development

1 iteration = 1 Sprint = 2 weeks to 1 month

Process of Scrum

Sprint planning

End of project(goal achieved /

budget run down)

Development

1 iteration = 1 Sprint = 2 weeks to 1 month

Process of Scrum

Scrum Master as facilitator

Everything is a timebox

‣Sprint

‣Daily Scrum meeting

‣Planning / review / retrospective meetings

Every sprint, we have an increment of working software

Roles in Scrum

A chicken and a pig open a restaurant ...

User stories

As [role], I want to have [functionality] because[I can achieve goal]

Story points /Sprint planning

Planning poker

Strengths of Scrumfrom a company’s point of view

Integrated team work, direct communication

Integrated team work -see: Scrum roles

high bandwidthcommunication

Client and provider grow with the project

Personally Rewarding

Strengths of Scrumfrom a freelancer’s point of view

Makes your life easier :)

From a freelancer’s perspective:

It’s “pay as you go” (though not prepaid)

•Project duration and scope entirely depends on the budget

•Client become aware of the cost implication of their requests

Quotes based on detailed specification is no longer necessary

Scrum techniques work well even for the smallest project

•Product (=sprint) backlog

•Scrum meeting

Weaknesses of Scrumfrom a company’s point of view

Managing dependencies

Granularity of user stories

Managing client's expectations

Expectations vs. Drupal community development power :-)

Integration with UX / Design process

Weaknesses of Scrumfrom a freelancer’s point of view

There are ‘hidden’ costs

•Communication overhead

•Project facilitation

•Setting up dev environment

•Site launch

If the project is relatively small, you can't afford to refine iteratively

Smaller organisations suffer from high communication overhead

Project initialisation

Exploration stories

Merci!

Questions?

philipp@liip.ch

mori@diasporan.net

agile drupal development with scrum - liip

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