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Francesco Strazzullo
September 10, 2021
Programming
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Contract-Driven_Development.pdf
Francesco Strazzullo
September 10, 2021
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Transcript
Contract-Driven Development
Francesco Strazzullo (AKA Strazz) @TheStrazz86 Interested in #SoftwareDecisionMaking? Contact me!
Ego Slide
Who should listen to me? _
Every developer in a software delivery company
None
Companies that buy Software delivery
Why should you listen to me? _
“The structure of any system designed by an organization is
isomorphic to the structure of the organization.” https://en.wikipedia.org/wiki/Conway%27s_law
Clients are part of your Organization
What is a contract? —
“a binding agreement between two or more persons or parties”
https://www.merriam-webster.com/dictionary/contract
Contracts are a binding part of your Organization
None
How Contracts can affect Software Architecture _
Fixed Price/Fixed Scope —
None
Company Client Who risks more?
The Usual Path
None
Fixed Price Contracts does not permit learning
Time & Materials —
Company Client Who risks more?
None
What happens when you become more efficient?
T&M Contracts discourages Performances
None
T&M Contracts build “distrust”
None
Unconscious Decisions
None
Inverse Conway Maneuver —
“Inverse Conway Maneuver recommends evolving your team and organizational structure
to promote your desired architecture” https://www.thoughtworks.com/radar/techniques/inverse-conway-maneuver
Is there a third way? _
None
Money Back Guarantee Contract — https://github.com/flowingis/money-back-guarantee-contract
How it works? _
Start Sprint Pay Fixed Price End Ok? Enough? Continue? Yes
Yes No No No Yes
Time is not Known, Concentrate on the Value
Company Client Who risks more?
Testing? _
You Choose
Learning? _
You Choose
Architecture? _
You Choose
None
None
A perfect solution? _
Skin In The Game
Sprint Negotiation is hard
None
Practice makes perfect!
Interested? _
WE ♥ REMOTE WORKING Milan, Rome, Turin, Treviso, Bologna, Ancona,
Catania and wherever you want! We are hiring →
[email protected]
Thanks
[email protected]