Diana Shawn Barraza

Product designer (ex-Square) and builder with 10+ years of experience designing fintech, banking, mobile native, and platform products. I combine customer insight, experimentation, and AI tools to turn complex systems into clear, high-impact experiences.

Fintech • Banking • Real Estate • Healthcare • Startups

Square Banking App Mockup
Square Banking App on iPhone

How I work

I use research, data, and AI tools 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.

Square Checking Redesign

Increasing Checking Adoption Across Square

Growth Activation Banking Square

Redesigned onboarding and banking experiences to help sellers discover value, activate faster, and engage more deeply with Square Checking.

Square Biller Network

Expanding Bill Coverage to Unlock Growth

Payments Growth Strategy Platform Square

Identified bill coverage as a key growth lever and redesigned the payment experience to increase adoption and payment volume.

Square Credit Card Rewards Refresh

Accelerating Debit Card Engagement

Cards Square Growth Banking

Reimagined card issuance and onboarding to help sellers access funds faster and drive earlier card adoption.

Square Bill Pay

Driving Bill Pay Payment Success Through Stripe Integration

Payments Square Platform Operations

Streamlined vendor onboarding and payment workflows through Stripe integration to improve acceptance and completion.

Experience

Square
Senior Product Designer
 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
Diana Shawn Barraza

Based in Los Angeles, I bring clarity to complex challenges. My work focuses on simplifying systems that drive outcomes.

LinkedIn Email me
Let's talk