Agile Development at Esendex

Who am I? Dr Nicholas Bruce, Development Manager, Esendex [email_address]

Dr Nicholas Bruce,

Development Manager,

Esendex

[email_address]

What am i going to be talking about? Who are Esendex What do we do How do we do it Development methodologies Waterfall Agile Flavours of Agile Scrum & eXtreme Paired development Continuous integration Test Driven Development (TDD) Are you a potential candidate?

Who are Esendex

What do we do

How do we do it

Development methodologies

Waterfall

Agile

Flavours of Agile Scrum & eXtreme

Paired development

Continuous integration

Test Driven Development (TDD)

Are you a potential candidate?

Who are Esendex Esendex is an international business communications provider established in 2001 Currently employing 30 people in offices in the UK, Ireland, Germany, France, Spain and Australia

Esendex is an international business communications provider established in 2001

Currently employing 30 people in offices in the UK, Ireland, Germany, France, Spain and Australia

What we do We facilitate business communication for a wide range of customers from large corporations to SME's We have in excess of 6000 customers inc.. Ocado Virgin Media RAC Parkers BAA Gatwick Distributing over 1.5 million SMS messages per week

We facilitate business communication for a wide range of customers from large corporations to SME's

We have in excess of 6000 customers inc..

Ocado

Virgin Media

RAC

Parkers

BAA Gatwick

Distributing over 1.5 million SMS messages per week

How we do it We have direct connections with all the UK and a high number of Int'l networks and allowing us to guarantee delivery and provide a quick reliable and stable service to our customers The in-house development team have written 95% of our services in C# .Net, this gives us high level of control The developed architecture needs to be available 24/7/365 and be over 99% reliable It also needs to be adaptable extensible and be able to respond rapidly to strategic, customer and market demands.

We have direct connections with all the UK and a high number of Int'l networks and allowing us to guarantee delivery and provide a quick reliable and stable service to our customers

The in-house development team have written 95% of our services in C# .Net, this gives us high level of control

The developed architecture needs to be available 24/7/365 and be over 99% reliable

It also needs to be adaptable extensible and be able to respond rapidly to strategic, customer and market demands.

Development methodologies Which supports our purpose? Waterfall – an traditional development methodology Agile Scrum eXtreme programming (XP)

Which supports our purpose?

Waterfall – an traditional development methodology

Agile

Scrum

eXtreme programming (XP)

Waterfall A linear process, sometimes... x months – x years

Agile Development An iterative and incremental process

Scrum Each sprint is between 2-4 weeks At the conclusion of each sprint the team produce a potentially shippable increment, that is working & tested. The sprint are taken from a prioritized collection called the backlog. You are not allowed to change the sprint backlog during a sprint ( no change in priorities) After a sprint the team must demonstrate the software

Each sprint is between 2-4 weeks

At the conclusion of each sprint the team produce a potentially shippable increment, that is working & tested.

The sprint are taken from a prioritized collection called the backlog.

You are not allowed to change the sprint backlog during a sprint ( no change in priorities)

After a sprint the team must demonstrate the software

eXtreme Requirements will change ,but will become refined Time

Requirements will change

,but will become refined

eXtreme, a combination of Agile components Paired Programming Test driven development Continuous integration Sociable team

Paired Programming

Test driven development

Continuous integration

Sociable team

Paired development Shown to produce 75% of the work of two developers With a higher quality of code Continuous code review Shared responsibility

Shown to produce 75% of the work of two developers

With a higher quality of code

Continuous code review

Shared responsibility

Test Driven Development Benefits?

Continuous integration Integrate early and often Taking small steps Progress at a steady rate No large integration points Code Build Test Integrate

Integrate early and often

Taking small steps

Progress at a steady rate

No large integration points

The Esendex flavour Combination of Extreme and Scrum Stand-ups every day Weekly release cycles Continuous integration TDD Paired development

Combination of Extreme and Scrum

Stand-ups every day

Weekly release cycles

Continuous integration

TDD

Paired development

In summary Esendex are a profitable ambitious company Employing only the best graduates and developers Practice eXtreme development In a Friendly & sociable environment Encourage you to expand your knowledge and experience

Esendex are a profitable ambitious company

Employing only the best graduates and developers

Practice eXtreme development

In a Friendly & sociable environment

Encourage you to expand your knowledge and experience

Esendex recruitment- do you fit? Intelligent (min 2:1) Confident Articulate Motivated In addition knowledge of C# .Net, Source code control and Agile methods Triathlon experience would be a bonus

Intelligent (min 2:1)

Confident

Articulate

Motivated

In addition knowledge of C# .Net, Source code control and Agile methods

Triathlon experience would be a bonus

Recommended reading Extreme Programing Explained Kent Beck et al Addison-Wesley ISBN 0-321-27865-8 Extreme Programming Adventures in C# Ron Jeffries Microsoft Press ISBN 0-7356-1949-2

Extreme Programing Explained

Kent Beck et al

Addison-Wesley

ISBN 0-321-27865-8

Extreme Programming Adventures in C#

Ron Jeffries

Microsoft Press

ISBN 0-7356-1949-2