Software Developer (Trading Engine)

What you will do:

• Develop and maintain backend services for the exchange’s core trading systems, including order matching, market data, and clearing/settlement
• Build scalable, high-performance microservices using Spring Boot
• Implement distributed caching and in-memory data sharing using Hazelcast to ensure low-latency communication and data consistency across services
• Design reliable message pipelines with Kafka for order flows, trade pushes, and other critical modules
• Optimize database and caching strategies to support high-throughput, low-latency trading scenarios
• Integrate with blockchain services such as deposits, withdrawals, on-chain confirmations, and wallet systems
• Write technical documentation, participate in code reviews, and contribute to system architecture improvements

What you will need:

• Degree in Computer Science or a related field, with 3+ years of backend development experience
• Strong Java skills and are experienced with Spring Boot / Spring Cloud in a microservices environment
• Worked with Hazelcast and understand its core features - data partitioning, Map/Event mechanisms, distributed locks, etc. (hands-on experience is a plus)
• Familiar with Kafka (or similar message queues) in distributed systems
• Solid experience with MySQL, Redis, and MongoDB
• Understand exchange trading logic, including order lifecycle, matching engines, and risk controls (crypto exchange experience is a strong plus)
• Comfortable with blockchain basics and have experience integrating with wallets or on-chain systems (preferred)
• Proficient with development tools like Git, Maven, Docker, and CI/CD pipelines
• Fluent Mandarin is mandatory