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This is the arcade version of my portfolio, and every cartridge below is a real case study. Sign the guestbook on your way in, or jump straight to the work.

DIFFICULTY:

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7 CARTRIDGES

NO. 01★ SHIPPED

Sift

Solo Side Project, App Store

Recipe pages bury the recipe, and the screen sleeps while you cook. I fixed both solo, seven days from first commit to the App Store.

Role: Everything. Product, design, code, store
Team: One person, with Claude Code as the instrument
When: 7 days to 1.0, August 2026
Tools: Claude Code, Next.js, Capacitor, Xcode

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NO. 02★ SHIPPED

Claude Code Setup

Capital One, DevX

Claude Code only worked if you were an engineer. I led the tiger team that opened it to everyone else. 2,300+ people have since completed a build challenge.

Role: Sr. Product Designer, tiger team lead
Team: Lead plus 2 designers, PM, eng, One Access and senior leadership
When: 3 weeks, March 2026
Tools: Claude Code, GitHub, Artifactory, VS Code

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NO. 03★ SHIPPED

IDP Release Plugin

Capital One, DevX

Shipping code at Capital One meant bouncing between five tools to answer one question. I put releases in one place.

Role: UI/UX Designer
Team: 2 designers, multiple eng and product partners
When: 32 weeks, Finance
Tools: Figma, Lucid, Confluence, Jira

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NO. 04★ SHIPPED

Oportun Homepage Widgets

Oportun (formerly Digit)

The home screen was advertising features instead of doing anything. We made it useful. Auto-pay setup went up 37%.

Role: UI/UX Designer
Team: Design, Loans, Savings, Credit PODs
When: 32 weeks, Finance
Tools: Figma, A/B testing, Heuristic eval

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NO. 05★ SHIPPED

Credit Card Servicing

Oportun (formerly Digit)

Credit card servicing bolted onto a lending app for 2M+ members. Two platforms, one design system, a March 2023 deadline that would not move.

Role: UI/UX Designer
Team: Design, Loans, Savings & Credit PODs
When: Jul 2022 sprint to Mar 2023 launch
Tools: Figma, iOS & Android, Usability Testing

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NO. 06★ SHIPPED

Demex Climate Center

The Demex Group

First designer at a climate startup, and I wrote the front end too. The job was making dense weather data usable by people buying insurance.

Role: Founding Product Designer, Full-Stack Engineer
Team: Design and eng founding team, cross-functional w/ data science
When: Climate-fintech startup
Tools: Figma, React, UserTesting

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NO. 07★ WON

Web3 Remittances

Oportun, Hackathon

Money home in seconds for cents, on Stellar rails under the Oportun app members already trust. A hackathon concept that won Most Creative Idea. It never shipped, and the page says so.

Role: Product Designer
Team: Cross-functional design and engineering hackathon team
When: Oportun hackathon, one sprint
Tools: Figma, Stellar network, User research

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Matthew Thomas-Wicher

I'm a product designer with a strong background in full-stack engineering, so I design knowing how the thing gets built. Seven years of SaaS and fintech, currently at Capital One on the Developer Experience team, building data-heavy enterprise platforms and AI products.

Selected Work

7 projects

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