• Guest AI: Spearheading the end-to-end development of a 12-language AI chatbot for SMBs, collaborating with AI/ML advisors to design a scalable architecture and model a sustainable pricing strategy based on 100-client capacity and latency projections.

• Tech Stacks: Vanilla HTML/CSS/JS · JavaScript · Supabase · Vercel · REST APIs · i18n · NoCode/LowCode · SaaS Product Development

https://guestai.vercel.app/

Yogiyo (ex-Delivery Hero) is top food delivery platform, considered as Uber Eats / Doordash, serving 5M MAU and processing 19M monthly orders with $213M in TTM revenue.

[Multi-Language Project]

• Globalized consumer access by leading English localization for international users, improving usability and GMV growth.

• Coordinated with 8 development teams to prioritize and execute P0 items, managing the UX and QA processes for a successful MVP launch.

• Advocated for the English localization process across tech leaders and POs, while spearheading additional tasks such as updating app language settings and store images.

• Delivered the project on schedule, and initiated plans for multilingual expansion and localization tool adoption to acquire new users.

[Yo-CVS Project]

• Generated $24M in annual sales by driving a new convenience-store delivery category project with 100+ team members, partnering with internal and external stakeholders across Business Development, Marketing, Operations, CVS Sales, Strategy, and Leadership, beyond the product development team.

• Scaled to 18,112 stores while expanding product offerings, promotions, and customer convenience.

• Partnered with Data Science to optimize GMV through A/B testing on hyperlocalized service offerings, identifying the most effective Home category UI and optimizing global GMV as the key success metric.

[Quick Order Project]

• Redesigned the repeat purchase journey, addressing drop-off in the order history flow. Launched Quick Order to simplify reordering, improving conversion by 0.79% and driving $3.8M monthly GMV uplift, validated through funnel analytics and experimentation.

Freshcode brand and IP assets later acquired by NRISE

• Achieved nationwide expansion with Nationwide Shipping, meeting sales KPI in one week. Expected annual revenue of $1.6M, resulting in a remarkable 113% increase in company sales.

• Led internal beta testing and collaborated with cross-functional teams for a successful launch of FreshCode's first mobile app, achieving a top 60 rank in the Korean iOS food category within two weeks post-launch.

• Founded and scaled a D2C e-commerce venture introducing the first curated toy kit for new cat owners, solving product selectivity pain points through rapid user testing and product iteration.

• Owned P&L, go-to-market strategy, and product roadmap, leading cross-functional execution from sourcing to fulfillment.

• Grew brand awareness through content-driven acquisition, reaching 500+ pet-owner followers in three months and improving conversion via A/B-tested product detail pages.

• Managed a three-person team across marketing, customer support, and operations, ensuring consistent end-to-end user experience.

• Developed seamless user experiences (UX) for 19 million global users' secure speaker setups across devices and platforms. Collaborated closely with engineers and a PM to incorporate continuous feedback and iterate on UX design.

• For Sonos's first headphones (Ace) setup UX, performed user interviews and testing to validate user needs, leveraging research insights to inform interaction design decisions and front/back-end specification.

• Led usability enhancements resulting in an impressive average NPS score of 94 based on both quantitative and qualitative metrics.

• Revamped and launched redesigned mobile device permissions for the latest setup experience, ensuring compliance with iOS 13 updates.