Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Contract-Driven_Development.pdf
Search
Francesco Strazzullo
September 10, 2021
Programming
0
590
Contract-Driven_Development.pdf
Francesco Strazzullo
September 10, 2021
Tweet
Share
More Decks by Francesco Strazzullo
See All by Francesco Strazzullo
Strategic Testing Decisions - Build Stuff 2021
francescostrazzullo
0
82
Domain-Driven Frontend
francescostrazzullo
0
1.8k
Strategic Testing Decisions
francescostrazzullo
0
350
A DIY Guide To Building Your Own Rendering Engine - CityJS2021
francescostrazzullo
2
90
Technical Decision-making Anti-patterns - Avanscoperta Meetup 2021
francescostrazzullo
0
420
How to Choose Your Next Technology Stack
francescostrazzullo
0
1.5k
The Definition of Framework
francescostrazzullo
1
1.5k
How to Choose Your Next Technology Stack
francescostrazzullo
1
260
Introduction To Alexa Custom Skills
francescostrazzullo
0
490
Other Decks in Programming
See All in Programming
Bytecode Manipulation 으로 생산성 높이기
bigstark
2
360
無関心の谷
kanayannet
0
180
Go1.25からのGOMAXPROCS
kuro_kurorrr
1
770
KotlinConf 2025 現地で感じたServer-Side Kotlin
n_takehata
1
220
Java on Azure で LangGraph!
kohei3110
0
160
Javaのルールをねじ曲げろ!禁断の操作とその代償から学ぶメタプログラミング入門 / A Guide to Metaprogramming: Lessons from Forbidden Techniques and Their Price
nrslib
3
2k
既存デザインを変更せずにタップ領域を広げる方法
tahia910
1
240
実践ArchUnit ~実例による検証パターンの紹介~
ogiwarat
2
280
XSLTで作るBrainfuck処理系
makki_d
0
210
iOSアプリ開発で 関数型プログラミングを実現する The Composable Architectureの紹介
yimajo
2
210
「ElixirでIoT!!」のこれまでとこれから
takasehideki
0
370
第9回 情シス転職ミートアップ 株式会社IVRy(アイブリー)の紹介
ivry_presentationmaterials
1
190
Featured
See All Featured
A Modern Web Designer's Workflow
chriscoyier
693
190k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
790
Producing Creativity
orderedlist
PRO
346
40k
A Tale of Four Properties
chriscoyier
159
23k
Making the Leap to Tech Lead
cromwellryan
134
9.3k
Bash Introduction
62gerente
614
210k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Building Adaptive Systems
keathley
43
2.6k
KATA
mclloyd
29
14k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
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]