Isaac Sin | Projects

Projects

Loyalty Program Platform

A white-label loyalty system used across merchant and customer-facing apps. Designed the backend architecture, relational database schema, and a reusable SDK so downstream teams could integrate loyalty features with minimal effort.

GogRPCMySQL

Food Ordering System

A live food-ordering platform connecting merchants and customers. Delivered full-stack features spanning the Vue frontend and Go backend.

VueGoREST

DEX Crypto Wallet

Led a small team building a decentralized crypto wallet across mobile (Android & iOS) and web, with real-time wallet and transaction features. Presented the work at TOKEN2049 Singapore.

FlutterAndroidiOSAngularNestJSGoMongoDB

Membership App

A cross-platform membership app for managing member accounts and rewards, built on the same mobile and backend stack as the wallet products.

FlutterAndroidiOSGoMongoDB

NFT Marketplace

An NFT marketplace supporting browsing, listing, and trading digital collectibles, integrated with the team’s Web3 wallet infrastructure.

FlutterAngularNestJSGoMongoDB

CRM Web Application

A fully functional CRM built end-to-end — from UI design to testing — as part of an internal business tooling project.

Microsoft Power Platform