Carlos Montoya — Principal Product Designer & AI Engineer

Carlos Montoya standing on a wooded trail in a green cap and plaid shirt.

01 OF 05CARLOS-2026APR 19 2026 · 15:501/6400 · ISO 1000

Principal Product Designer & AI Engineer

I give ambiguous ideas shape, then enough code to stop being ideas.

48 Hours to NativePrincipal Designer · native Swift prototypeI made the mobile thesis native in roughly two days because leadership and engineering could not judge the interaction from static screens.Reimagined OnboardingPrincipal Designer · coded prototypeI coded multiple directions and ran two rapid research rounds because onboarding had to earn trust before asking people to surrender control.

INTERFACES

Healthy Together public-health marketing composition showing health records and test results in the mobile app

Sideline marketing composition showing a second-number calling and messaging workflow

Tribal earnings concept showing fictional lead, location, and earnings fixture data

TextFree marketing composition for unlimited texting and calling

Twenty Hangouts prototype showing a live map, nearby presence, and status controls

The Stoop discovery interface showing fictional friend suggestions and nearby activity

PROTOTYPES

Observational Dash notices a rename pattern, previews the proposed batch, and waits for approval

Native SwiftUI search moves from a broad query into specific typeahead results

Tribal mobile prototype moves between earnings and lead-management states using fictional fixture data

Twenty Hangouts prototype moves from a live map into a nearby match and status interaction

BRAND

IDEAS

PHOTOS

A narrow road curves beneath a tall sunlit canyon wall in a black-and-white landscape.

Passengers fill a New York subway car, seen from within the aisle in black and white.

A woman steadies a child while they cross a shallow alpine stream in black and white.

A suspension bridge spans the river beneath a broad sky in a black-and-white city view.

A child and an adult share a cloud of cotton candy outdoors in black and white.

Still water reflects pines and a mountain ridge beneath a layered sky in black and white.

Let’s talk.

A team to help build.
A project to move forward.

los@losmontoya.com

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Principal product design and AI engineering. My next full-time role.

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Brand, product, websites, and AI for your business.