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Diana Shawn Barraza

Senior/Staff Product Designer and AI Builder, previously at Square, with 10+ years of design, including fintech, banking, and healthcare products. I’ve driven activation lifts and shipped award-winning experiences by combining data, discovery, experimentation, and AI workflows to turn complex systems into clear, high-impact products.

See the work ↓

Square Banking product design work by Diana Shawn Barraza, former Square product designer

Square Banking mobile product design by Diana Shawn Barraza

How I work

I use research, data, AI workflows, and Cursor to move quickly while staying grounded in customer needs and jobs to be done. I focus on understanding the problem, identifying opportunities, aligning teams, and designing for measurable impact.

Featured works

Redesigning Square Checking to improve activation with high-impact opportunities

Growth Activation Banking Square

Leading with vision and customer jobs to be done to help Square sellers understand, move, and manage money.

Expanding Bill Pay bill coverage to help sellers pay more bills and boost payment volume

Payments Growth Strategy Platform Square

Expanded how bills enter Bill Pay so sellers could pay more recurring expenses and grow payment volume.

Square Banking Checking home and virtual debit card details

Unlocking banking activation and growth with digital card issuance

Square Banking Debit Card Growth

Creating a faster path from account creation to usable spend through virtual card-first onboarding.

Square Bill Pay vendor payment acceptance with Plaid bank connection

Redesigning Bill Pay’s vendor acceptance experience to build trust and increase successful payment completion

Square Bill Pay Payment acceptance Plaid

Introduced a secure bank connection flow so vendors could accept Square Bill Pay payments with less friction and more confidence.

Automating home tour bookings to help buyers win in a competitive market

Internal Tools Real Estate Management

Redesigned internal tour management to cut confirmation time from hours to minutes and help buyers compete during the 2020–2021 housing boom.

Buyer search experience

Real Estate Buyer Experience Search

Mobile search experience helping buyers discover and evaluate homes faster.

Heal primary care before and after: on-demand matching vs selecting a primary care physician

Closing the loop: how introducing primary care physicians converted on-demand visits into ongoing care

Healthcare Primary Care Patient Experience Medicare

Redesigned doctor selection from urgent-care booking into a PCP matching experience—building trust, meeting Medicare requirements, and increasing repeat visits.

Preventative care with data-driven patient health monitoring

Healthcare Data Visualization Health Monitoring CES Innovation Winner

Gave Heal doctors visibility into chronic care at home—key to Medicare approval, repeat visits, and preventative in-home primary care.

Experience

	Square Senior/Staff Product Designer · Banking & Bill Pay	2023 – 2026
	Flyhomes Senior Product Designer	2020 – 2022
	UCLA Extension UX Iteration Instructor to Educator	2020 – 2022
	Vetted Petcare Senior Product Designer	2019 – 2020
	Heal (on-demand health care) Product Designer	2017 – 2019
	Freelance Product Designer	2015 – 2017