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Juan Peña logomarkJuan Peña

Work

Selected case studies

Three case studies from my work at Walmart Global Tech. Two come from the four-platform procurement portfolio I work on. The third is a toolkit I built for the whole design organization.

ReimburseMe home on a tablet: create an expense report, the report library, approvals, and recent receipts

One expense platform handling 900,000+ reports a year across Walmart US Stores, Sam's Club, and Supply Chain.

  • Enterprise UX
  • Product strategy
  • Responsive design
  • Platform scale
Shop GNFR on a phone: the item catalog with Order supplies, item search, and custom lists

Led UX for Walmart's internal procurement platform and its native MyWalmart extension, connecting search, ordering, approvals, tracking, and store access across a multi-year roadmap.

  • Enterprise UX
  • Platform strategy
  • Responsive web
  • Native extension
Handoff Readiness terminal output: 90 out of 100, one blocker for version sync, and a bar for each scored category

Helping designers who don't code ship AI prototypes that engineering can merge.

  • Design systems
  • AI tooling
  • Handoff
  • Content design