Led end-to-end interaction design for CUPI (Corporate UPI) — a petty cash management dashboard and mobile app — delivering 15+ screens across web and mobile within agile sprint cycles, directly reducing finance team processing time. Architected information architecture and user flows for Cupi using Figma AI and AI-first design tools, cutting design iteration cycles by 40% and enabling faster stakeholder sign-off. Built a conversational UX chatbot for a jewelry recommendation app using Claude/ChatGPT prompt engineering, improving personalization depth and reducing user drop-off at the product discovery stage. Operated as Product Manager and Designer simultaneously — used Lovable and Emergent AI to translate OKR-aligned product strategy into shippable, high-fidelity component-library-backed prototypes across 3 concurrent product tracks. Ran design sprints using a multi-model AI stack (Claude, Gemini, ChatGPT) alongside Figma AI to research, ideate, and A/B test design decisions across fintech and e-commerce products, improving decision turnaround by 30%.