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Contract-Driven Development

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Francesco Strazzullo (AKA Strazz) @TheStrazz86 Interested in #SoftwareDecisionMaking? Contact me! Ego Slide

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Who should listen to me? _

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Every developer in a software delivery company

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Companies that buy Software delivery

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Why should you listen to me? _

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“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

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Clients are part of your Organization

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What is a contract? —

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“a binding agreement between two or more persons or parties” https://www.merriam-webster.com/dictionary/contract

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Contracts are a binding part of your Organization

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How Contracts can affect Software Architecture _

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Fixed Price/Fixed Scope —

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Company Client Who risks more?

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The Usual Path

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Fixed Price Contracts does not permit learning

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Time & Materials —

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Company Client Who risks more?

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What happens when you become more efficient?

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T&M Contracts discourages Performances

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T&M Contracts build “distrust”

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Unconscious Decisions

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Inverse Conway Maneuver —

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“Inverse Conway Maneuver recommends evolving your team and organizational structure to promote your desired architecture” https://www.thoughtworks.com/radar/techniques/inverse-conway-maneuver

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Is there a third way? _

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Money Back Guarantee Contract — https://github.com/flowingis/money-back-guarantee-contract

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How it works? _

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Start Sprint Pay Fixed Price End Ok? Enough? Continue? Yes Yes No No No Yes

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Time is not Known, Concentrate on the Value

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Company Client Who risks more?

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Testing? _

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You Choose

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Learning? _

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You Choose

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Architecture? _

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You Choose

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A perfect solution? _

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Skin In The Game

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Sprint Negotiation is hard

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Practice makes perfect!

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Interested? _

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WE ♥ REMOTE WORKING Milan, Rome, Turin, Treviso, Bologna, Ancona, Catania and wherever you want! We are hiring → [email protected]

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