4Developers 2015: Agile Software Engineering Practices that Helps Deliver Business Values - Matt...

Transcript of 4Developers 2015: Agile Software Engineering Practices that Helps Deliver Business Values - Matt...

AGILE Software Engineering Practices that Helps Deliver Business Values

MATT HARASYMCZUK / AGILE Software Engineering / APR 20, 2015

MATT HARASYMCZUK

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• MVP - Minimum Viable Product• ROI• Sprint Cost• Test your hypothesis

Lean Startup

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Organizations which design systems are constrained

to produce designs which are copies of the

communication structures of these organizations

Conway’s Law

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Backlog DECOMPOSITION

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ACCEPTANCE criteria

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XP: Clean Code in your Stories, BDD

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Feedforward NOT Feedback

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TDD: Test Driven Development

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GIT Flow

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master

develop

release

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feature/ID-1337-short-summary

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bugfix/ID-1337-short-summary

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"ID-1337 short summary"

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DO

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Developer Tools ECOSYSTEM

JRebel

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DevOps: Continuous Integration and Delivery

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PREPARE

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• Mutatory Testing• Microservice Architecture• Feature Flags and Toggles• Release Trains• Vagrant, Docker, Mesos

Tools

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• API (REST, versioning, JSON)• Swagger

Frontend and Backend separation

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CHECK

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XP: Code Review, Pair Programming

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Sputnik

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REFACTORING - Boy Scout Rule

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Test Automation

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100% Coverage doesn’t work…

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Frequent RELEASES

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Agile SHOW

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• Lower "time to market"• Increase "value to market"• Increase "quality to market"• Increase flexibility• Increase visibility• Lower costs• Increase product lifetime

Business VALUES orientation

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• Test-driven Development• Evolutionary Design

• Refactoring• CI / CD

• Test-driven Requirements• Functional Tests• BDD

Lower TIME TO MARKET

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• Test-driven Requirements• Functional Tests• BDD

Increase VALUE TO MARKET

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• Test-driven Development• Test-first and Test-last

• Test-driven Requirements• BDD

• Evolutionary design• Refactoring• Simple Design• CI / CD

Increase QUALITY TO MARKET

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• Evolutionary Design• Refactoring• Simple Design• CI / CD

• Test-driven Development• Test-first and Test-last

• Test-driven Requirements

Increase FLEXIBILITY

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• Test-driven Requirements• Functional Tests• BDD• CI / CD

Increase VISIBILITY

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• Evolutionary design• Simple Design• Refactoring• Collective Code Ownership

• Test-driven Development• Test-last and Test-first• Functional Tests

Lower COST

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• Test-Driven Development• Automated Developer Tests

• Evolutionary Design• Refactoring• Simple Design

• Test-driven Requirements• Functional Tests

Increase PRODUCT LIFETIME

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ACT

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Quality Evangelist

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LEARNING organization

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Search YouTube for Spotify engineering CULTURE

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Evolution NOT revolution

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• Scrum, Lean, Kanban as a communication framework• Software Development practices• Quality• Evolution not revolution

RECAP

@MATTAgile

MATT Harasymczuk