Building a Microservices Ecosystem: Stock Brokerage Simulator (My Broker B3)

Building a Microservices Ecosystem: Stock Brokerage Simulator (My Broker B3) Hello, everyone! I’m starting a series of articles to document the development of My Broker B3 . This is a personal project where I’m applying advanced software engineering concepts, distributed systems, and messaging to simulate the real-world operations of a stock brokerage. The main objective is to create an ecosystem that handles challenges such as data consistency , low latency , and asynchronous communication , all while integrating a simplified matching engine . 🏗️ System Architecture The project was designed following a microservices approach, using a hybrid stack to leverage the best of each ecosystem: Core Backend (Java/Spring Boot 3): Responsible for the order ( broker-order-api ), wallet ( broker-wallet-api ), and asset management ( broker-asset-api ) APIs. Market Data (Python): An integrator ( broker-market-data-api ) that manages market data ingestion via scheduled tasks. Matching Engine (Java):