Panachai Chinnasri

Led end-to-end UX/UI for global web applications and e-sports platforms, optimizing complex user flows for international audiences. Conducted qualitative user research and competitor analysis to map customer journeys, identify friction points, and define actionable user personas. Architected and maintained scalable design systems and Figma UI component libraries to improve cross-functional handover and developer alignment. Collaborated with product managers and software engineers in Agile to translate business requirements into high-fidelity interactive prototypes and supported usability-oriented iteration.

Spearheaded the UX/UI strategy for mobile-responsive websites and native applications in the construction marketplace. Optimized the Information Architecture for complex service ecosystems, improving platform navigation and user retention. Designed and implemented a Transparency-first dashboard, utilizing data visualization to resolve payment disputes and milestone tracking issues. Mentored junior designers and established design standards to improve team productivity and output quality.

Owned UX/UI strategy for mobile-responsive platforms and native apps in a B2B/B2C construction marketplace ecosystem (Trongjai.com). Re-architected information architecture and navigation hierarchies to improve usability and strengthen retention. Designed a 'Transparency-First' analytical dashboard with real-time data visualization that helped reduce contractor turnover by 30% and resolved payment dispute friction. Mentored junior designers and established standardized design guidelines, design tokens, and QA workflows to raise team output quality.