A closer look
at the work.

Four case studies, each with the process, the artifacts, and what changed.

• PatreonBrought the 2023 rebrand into the product across five teams. Studio, the design system, reached 121,139 component instances in use.
• FitbitVisual designer on the three-person team behind Fitbit’s program framework: nine programs, 245 symbols, and 62 habit icons by 2017.
• Credit Karma and IntuitHelped shape the visual direction leadership selected in March 2026 for Credit Karma, TurboTax, and Money.
• Credit KarmaA coded agentic finance prototype in five business days: the agent prepares the plan, the member makes the call.

Password available on request: jcsizmadi@gmail.com