Halopesa & Mosan eWallets

Building end-user and agent eWallet apps for Viettel's international markets that had to stay reliable and updatable across regions.

Shipped with Codepush for over-the-air updates and Formik for consistent form validation across the wallet's transactional flows.

1. 01

   Codepush release channel

   Delivered over-the-air updates so fixes reached users in every market without waiting on store review in each region.

2. 02

   Formik-driven forms

   Standardized the wallet's transactional forms on Formik for consistent validation and error handling across flows.

3. 03

   Reusable components and native modules

   Designed shared UI components and native modules in close collaboration with backend teams to keep API integration consistent.