It's a series of projects to support the company's business, including:
agent management system: a system to manage all agents' status, incomes, and selling products, created by php (laravel), vue.js, redis, mysql and postgreSQL
bi system: to trace data for all agents. created by Java (spring boot) and big data tech
selling system: to sell products, it has much more traffic, so it's built with go/Golang, React, Redis, and Kafka.
All systems running on Kubernetes, the traffic of more than 600 services managed by Istio