UI/UX Design: PerDiem

A comprehensive ecosystem consisting of a Web POS for merchants and a mobile app for customers, designed to help small businesses launch and manage subscription services.

Role

Founder UX/UI Designer

Industry

Subscriptions

Duration

1 Year

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Hybrid Transaction Flow

Engineered a flexible checkout system that allows merchants to combine subscription redemptions with one-off retail purchases in a single operation.

Research-Led Design

Validated through user research that customers frequently purchase "extras" during subscription pickups; addressed this by integrating a dynamic modifier and cart system into the POS.



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Merchant Operations Hub

Developed an administrative dashboard to manage high-volume transactions, featuring itemized digital receipts, refund processing, and detailed interaction histories.

Subscriber Self-Service

Designed a mobile interface for customers to manage their own subscriptions, including a "Skip This Order" feature and clear auto-renew controls to reduce merchant support overhead.

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a cell phone on a table
a cell phone on a table

Results & Impact

  • Increased Cart Sizes: Integrated a dynamic cart and modifier system that seamlessly combines subscription redemptions with one-off retail purchases to capture additional revenue.

  • Operational Efficiency: Delivered a robust administrative dashboard that empowers merchants to effortlessly manage high-volume transactions, digital receipts, and complex refunds.

  • Reduced Support Overhead: Empowered customers with a self-service mobile interface to manage auto-renewals and skip orders, significantly cutting down merchant support requests.

Other projects

Want to connect?

Reach out to discuss upcoming projects, product strategy, or design leadership opportunities.

Want to connect?

Reach out to discuss upcoming projects, product strategy, or design leadership opportunities.

Want to connect?

Reach out to discuss upcoming projects, product strategy, or design leadership opportunities.

Copyright 2026 by Francisco Vega

Copyright 2026 by Francisco Vega

Copyright 2026 by Francisco Vega