Kien Nguyen

Portfolio

Selected engineering work across authorization, fintech dashboards, and frontend platforms.

Transaction Monitoring System

Real-time rule engine that watches every money movement at Xendit and raises alerts for compliance review.

GolangKafkaCassandraPostgresSQLCELReactTypescript
Auth Platform

Fine-grained authorization platform on OpenFGA that every Xendit product API and the merchant dashboard depend on.

GolangOpenFGAReactEchoPostgresSQLRedisKafka
Xendit's Regional Dashboard

Frontend for Xendit's cross-border expansion: 5 products shipped in new markets in under 6 months.

ReactTypescriptModule Federation
Live
Xendit's Merchant Dashboard

Multi-brand fintech dashboard built from 14 micro-frontends and the BFF gateways behind it.

React.jsjavascriptnode.jswebpackmicro-frontendmodule federation
Live