From iOS to AI,
I build for people.

I’m Joe, a software engineer and founder working across mobile, personal context, and useful AI.

Joe Newbry
Engineer. Founder. Surfer.

Want to ask about what I’ve worked on?

Bring your questions. My public work and answer rules, in your own Codex conversation.

Ask about my work ↗

Selected work

Personal context, useful AI, and things you can try.

Trust & agents

Inspectable Trust

How should two agents decide what to share? A protocol experiment using plain-language rules and inspectable decisions. It’s also the inspiration for this site’s Q&A.

Explore the protocol ↗
Personal knowledge

Memex

A personal knowledge system that makes screen history searchable, combining capture, OCR, and vector search. Built to help an agent work with the context you already have.

Explore Memex ↗
Games & learning

Open Arcade

Browser games as environments for AI training. A place to explore the connection between playing, collecting experience, and learning to act.

Explore the games ↗

Where I’ve worked

Read the public work record ↗
Started 2024

Walmart · Senior iOS Engineer

Built barcode-scanning features for the internal employee app and improved the testing and release workflow with SonarQube, Fastlane, and Looper.

2023–2024

Grindr · Senior iOS Engineer

Shipped iOS features with product and design, working across RxSwift, app navigation, WebSockets, REST APIs, and Core Data.

2023

Screen Timelapse · Senior AI Engineer

Built a screen-history system with automatic screenshots, OCR, and searchable metadata.

2022–2023

Sunny AI · Senior AI Engineer

Designed a conversational system that brought relevant session context into a state machine, with background safety checks.

2019

Cadmium · Founder

Led a three-person team building AI-powered drawing tools for hand-drawn animation.

2015–2017

Microsoft · Software Engineer

Worked on SpendIQ’s on-device receipt detection and MileIQ’s GPS-driven state machines.

A little beyond work

I’ve spent time traveling and surfing in Panama, California, and Oregon. I studied economics with a computer science sequence at Claremont McKenna College, graduating in 2014.

Software, surfing,
and startups.

Notes from building things and getting outside.

Read my blog ↗

Have something worth building?

I’d like to hear about engineering roles and early stage teams working on useful products. Send the role, what you’re building, and why you think we should talk.

joenewbry@gmail.com