Available for freelanceBased in Hawaii

David Do

Building forWeb

Software engineer crafting products across web, mobile, and the edges between. Currently shipping Pacific Watch, Spin Spin Revolution, and Summon3D.

Experience
10+ yrs
Projects shipped
5+
Platforms
Web · iOS · Android
Focus
SaaS · Tools

The short version.

A decade of shipping software across web, mobile, and government-scale systems — now focused on SaaS products with opinionated design.

David Do
EVA-01
TYPE—01 · TEST
N.E.R.V
エヴァンゲリオン
Pilot nameDO, DAVID
Caffeine sync lvl94.2%
Flow stateLOCKED IN

I'm a software engineer building for the web, iOS, and Android. For nearly a decade I've shipped production systems for the State of Hawaii — Java, Spring Boot, and Oracle under the hood — while moonlighting on SaaS products I actually want to use.

These days I'm building Pacific Watch, a real-time emergency preparedness dashboard for Hawaii; Spin Spin Revolution, a rhythm game that turns your spin bike into a beat-matching experience; and Summon3D, a SaaS platform that streamlines the entire 3D-printing workflow from upload to delivery.

Located
Honolulu, HI
UTC−10 · 🌺
Currently building
Pacific Watch
iOS · Android · PWA · Next.js · Supabase
Tech stack
Daily drivers
Backend
JavaSpring BootSpring SecurityNode.js
Frontend
ReactNext.jsVueTypeScriptTailwind
Mobile
SwiftSwiftUIKotlinJetpack Compose
Data
PostgreSQLMySQLSupabaseOracle
Tools
GitDockerGitHub ActionsVercel
Stack · daily drivers
Next.jsReactTypeScriptSwiftKotlinJavaSpring BootPostgreSQLSupabaseStripeTailwindFramer MotionDockerVercel

System status.

Real-time uptime for everything I've shipped to production. Pulled from my status page, cached for 60s.

All systems operational

Pacific Watch

pacificwatch.app
Operational
100.00%
24h uptime·28ms avg
30m agonow

Spin Spin Revolution

spinspinrevolution.com
Operational
100.00%
24h uptime·33ms avg
30m agonow

Summon3D

summon3d.com
Operational
100.00%
24h uptime·45ms avg
30m agonow

Have an idea?
Let's build it.

I'm open to freelance, consulting, and interesting collaborations. Whether it's web, mobile, or something in-between — reach out and let's make it real.