3 keys for enabling an agile software delivery

Oscar Centenowww.softwaremaintainaility.com

That change was so simple; why did it take so long?

Why do estimates fail?

Why did we introduce so many bugs? We were careful and tested…

¿Why is it so expensive to upgrade our technologies?

Who wrote this? It’s so hard to understand and has no structure!

I thought I understood that code, but I was wrong. That’s the cause of this bug…

This change was harder than we thought initially:+ It lead to other changes+ We had to deal with many bugs

efficiently responding to changesagile

businesstechnologiespeople

sprints

Incremental

agility

collaborationproject management

technical excellence

professional

Automated testingAfter each change, it’s our responsibility to make sure everything else is still working fine.

Our software should be easy to maintain, even 3 years in the future…

understand

testchange

¿How would you feel working on such software?Would you go faster?more predicable deliveriesless stressmore trusthappier people

better relationship with business

¿What do we require?

disciplinetrainingdesignautomatesponsorshipstudy

betterwill to be

3 keys for enabling an agile software delivery

Lack of useful documentationLack of good organizationLong text filesRight scrolling on filesManual configurationsManual testsLack of logging

¿What does it

do?¿How to

you integrate

it?¿How do you test

it?¿How do

you install it?

Do we have clear and useful guidelines on:- how to specify business

rules?- How to write readable and

well-organized code?- How do we slice services?- How do we design

components?- How do we automate

integration?- How do we design a

modular database?- How do we design a

usable/robust user interface?

Design for testabilityUnit TestingContinuous Integration Automate each deploymentAutomated integration testsAutomated business tests

That’s too much work,

¿isn’t it? Maybe that would slow us down!

Complex code slows us down.

Everything that reduces road blocks, errors and manual tasks would help us go

faster.

Recommended books

Oscar Centeno

3 keys for enabling an agile software delivery

www.softwaremaintainaility.com