app architecture101
TRANSCRIPT
Healthcare App Architecture 101 David Y. Kay
If you can design a system, you can build an app.
What can an app do?
• Dumb question?
• No way. Let’s explore.
Wearables
What can computers do?
Math.Or things that can be reduced to math.
But how?
Moore’s Law
Moore’s Law
Design
User Flow Wireframes Mockups
Design
System Architecture
API Server
Native App
HTML&
Javascript
Database
Web vs Native
Web vs NativeNative Hybrid Web
Application
iOS / Android
HTML & Javascript
Firefox
iOS / Android iOS / Android
HTML & Javascript
Application
Embedded Browser
Tools
EasyPowerful
Windows vs Linux
Open Source
Open Source Benefits
• Hiring
• Re-use
• Reduce maintenance cost
• Better modularity
Cloud
?
Cloud
Hardware
DIY Cloud Managed
OS
Application
VM
Hardware
OS
Application
VM
Hardware
OS
Application
VM
Buy vs Build
• Is this your differentiator?
• How is the documentation / support?
Hiring• In-house
• On-site
• Remote
• Contract
• USA
• Overseas
Carpenters vs Engineers
Culture
“$78,755 per year”
payscale.com
Developers are expensive
hardware:
Make efficient use of expensive computer…
programmers:
“hardware is cheap - and programmers are expensive”
-Jeff Atwood
“the constraints imposed in building large software systems are the limitations of our own minds.”
-Hal Abelson
Static Dynamic
vs
Languages
Correctness
• Is someone going to die if something goes wrong?
• Fitbit? Not a problem.
• Pacemaker? Big problem.
You can do it yourself!
• Programming is not just for wizards
• …and you don’t necessarily need to learn it!
• Ari’s IFTTT example
Codeless Apps
Hardware
What’s it cost?
• $5K - millions.
• [Cite some numbers here]
Regulatory
FDA
Predicates
Additional Resources
• Rock Health: The Entrepreneur and the FDA
• FDA Webinar on Digital Healh
HIPAA
• Privacy Rule
• Security Rule
• BAAs
BAAs
Hardware
OS
Application
VM
You’re on your own!
It’s on Amazon.
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Cloud, Revisited
Hardware
DIY Cloud Managed
OS
Application
VM
Hardware
OS
Application
VM
Hardware
OS
Application
VM
Revenue Models• One-time purchase
• In-app Purchase
• Subscription
• Advertising
• Others
Who is your customer?
• Consumer
• Provider
• Med device / Pharma
Reimbursement
• Coding
• Reimbursement Consultants
Key Question
• How does this add value?
Do I need an app?
• Use the minimal effort to achieve a great solution
• Often this is a tricky thing to accomplish
“If this app were an employee, what would its job description be?”
-Brennan Dunn
Recap
• If you can design a system, you can build an app
• Hardware is cheap, programmers are expensive
• Focus on what matters
Let’s wind up.
Recommended Reading
• Joel on Software - The business of Software
• Paul Graham - Startup & Hacker Culture
• Steve Yegge - Rants on programming culture
• Ray Kurzweil - The Singularity is Near
Recommended Reading
Self-studyMore Structured
More Hardcore
