Lead Product Designer
Guzmán Villalba
Designing and evolving an internal quoting and operational system for a custom metalwork workshop. The work focuses on turning tacit knowledge, fragmented information and owner-dependent decisions into a more consistent, traceable and usable process.
Key contributions
- Mapped the existing quoting workflow across WhatsApp, email, spreadsheets, Trello, physical documents and workshop conversations.
- Identified bottlenecks caused by undocumented criteria, scattered information and constant validation dependencies.
- Designed and iterated an internal quoting system using Google Sheets, Apps Script and AI-assisted workflows.
- Structured categories, price ranges, labor units, placement criteria and reusable estimating rules.
- Connected Product Design, Service Design and operational thinking in a physical-business environment.
- Improved the documentation of suppliers, materials, decisions and quoting criteria.
- Defined a progressive roadmap from a quick-estimate MVP toward a broader project and approval system.
- Documented the work as an evolving Product Design case study.
Tools Figma · Claude · ChatGPT · Codex · VS Code
