Java Backend Engineer (Mid-Level)

Overview

Lead the backend design and development of in-house CRM systems supporting customer lifecycle, trading activities, and internal operations.

Design, develop, and maintain integration services with MT4 / MT5 trading systems, including account management, trades, orders, positions, balances, and real-time / historical data synchronization.

Architect and implement payment gateway integrations, covering deposits, withdrawals, webhook callbacks, reconciliation, and exception handling.

Design and build internal and external APIs to support marketing campaigns, promotions, bonus and reward systems, and other business initiatives.

Own and optimize core backend services built using Java and Spring Cloud microservices.

Ensure high concurrency, low latency, and high availability across CRM and trading systems.

Continuously improve system performance through JVM tuning, database optimization, caching strategies, and asynchronous proc...