Designed and led the scaling of Grab’s Food Locker ecosystem — spanning the PAX app, DAX app, Locker Tablet, and web-based platform — across seven SEA markets, enhancing delivery efficiency and pickup experiences through integrated software and hardware design.

Deployed 465 lockers across seven SEA markets, fulfilling 1.16 million orders for 164 K users and 226 K drivers. Achieved strong adoption in Indonesia (85.7%), Cambodia (85.0%), and Thailand (62.2%), with high repeat engagement (92.9% repeat users), indicating strong user satisfaction and sustained growth.

Enhanced the Merchant Experience (MEX) by automating GrabFood order management — streamlining kitchen operations, reducing manual errors, and improving efficiency through cohesive, localized product design across industrial design, user manuals, packaging, and sound assets in SEA markets.

Achieved DVT (0-1) within 4 months and PVT within 6 months, successfully filing two patents for Industrial Design and an Ambient Light & Sound Intensity Meter. Scaled production from a 110-unit pilot across Singapore, Malaysia, and Thailand to mass production of 5,810 units across Singapore, Malaysia, Thailand, the Philippines, Indonesia, and Vietnam.

Led the driver-centric design of the DAX tablet app through prototype usability testing and driver behavior interviews, optimizing landscape layouts and hands-free interactions to improve driving efficiency, safety, and navigation performance across test fleets in Singapore and Malaysia.

Led the design of an in-app crowdsourcing tool that empowered drivers to earn by contributing hyperlocal map data. The POI task–driven design with local language support scaled participation across SEA markets and advanced Grab’s map-making vision.

Created 1.5 million new POIs from 2.6 million submissions (57% conversion rate), enabling drivers to earn $300,000 USD. This crowdsourcing milestone helped establish GrabMaps and proprietary map data in June 2022, improving map accuracy and driver earnings.

Designed a centralized information hub within the Grab app for SuperApp users, doubling message open rates and enhancing social engagement.

Led the design of customizable chat components that replaced third-party solutions, reduced operational costs, and unlocked new monetization opportunities.

Revamped the GrabRewards Catalogue, enhancing user experience and driving marketing-led promotions through improved visual hierarchy and navigation.

Developed UI guidelines for Android and iOS, designed the Magic Keyboard, and led theme design for 360 Total Security, ensuring a cohesive cross-platform experience.

Standardized UI frameworks and led the visual design of wallpapers, native apps, and smartwatch interfaces, building a unified identity for h5OS.

Designed core UI/UX features for the Whoscall Android app, enhancing usability and driving adoption across emerging markets.

Designed interfaces for ZenWatch and ASUS native apps, evolving ZenUI from v1.0 to v1.5 with improved visual hierarchy and interaction flows.

Designed product and graphic assets for labels, carton packaging, and laptop patterns, while managing the Acer Ring product lifecycle from concept to production.