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Application Development Pursuit of Developer Happiness

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About Me !   Tom Wilson !   Chief Technologist, Jack Russell Software !   A division of CareKinesis, Inc !   Building Applications and Development Teams for 15+ years

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No content

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Experience I have made more mistakes I have tried to learn from them

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I want to create an application that is just as easy to maintain as it is to create

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long road no silver bullet

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Three Approaches

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Approach 1

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BDUF !   Review all systems in the market !   Bring users from each system to provide features !   Use new platform !   Set unreasonable goals !   Add developers as needed

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result

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System of Systems !   Complex difficult to !   Support !   Maintain !   Upgrade

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Approach 2

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Waterfall to Agile !   Started with complex Data Model !   New Web based interface !   New Dev Environment !   Small Team !   Implement and ship incrementally

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Success! kind of

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Results > SOA !   Complex !   easier to support !   easier to upgrade !   still hard to develop !   tightly coupled components

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Approach 3

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Agile to Waterfall !   Launch MVP !   Continuous Deployment !   PAAS !   Extreme Programming !   OpenSource Stack

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Awesome

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Too Extreme! !   Users wanted slower pace !   batch features !   more stability !   more process

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Enter Waterfall But we still called it Agile!

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“Afraid to admit we are Waterfall”

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we are awesome!

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results !   huge backlog !   easy to support !   easy to upgrade !   painful to develop

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Lessons Learned

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avoid configuration as much as possible

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clearly define your features Know your user

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App Analytics !   mixpanel !   kissmetrics !   new relic

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Loosely Coupled

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Events, APIs and Bots !   activity stream !   trigger tasks from activities !   Http/json

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Think in terms of Applets and Components

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build a collection of apps

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Applets and Bots

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Our New Approach !   Quarterly Goals !   2 week sprints !   javascript everywhere !   connect devs with stakeholders !   PAAS

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2 week sprint !   2 days planning – redact stories to product team !   4 days dev !   2 days code review !   2 days qa

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Javascript Everywhere !   AngularJS !   NodeJS !   Npm !   Browserify !   CouchDb

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Devs should be involved from concept to completion

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PAAS Dev should have their own personal playground to explore and share concepts

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Prototype to Production

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Just do it Do it Fast Do it better

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Prototype !   Bootstrap !   AngularJs !   Firebase or PouchDb !   Collaborate RealTime

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Early Adopter !   Sames as Prototype !   Add NoSql Backend Mongo, CouchDb !   NodeJs !   Clearly Separate Concerns !   Bots and Job Queue

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MainStream !   convert to Applets and components !   Focus on Polish and Usability !   Product Boundaries !   Measure Everything !   Formalize Schemas {sql}

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Dev Goals !   Design in Real-Time (if possible) !   Applets and Bots - Microservices !   Flexibility and Durability !   Javascript everywhere, until necessary

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Thank You @twilson63