Java Engineer at UnionEx

Job Description

Key Responsibilities

• Read and deeply understand the Java source code of the contract exchange system, mastering its core logic
• Maintain the normal operation of the system, quickly locating and repairing issues related to system errors and alarms
• Analyze system performance bottlenecks and carrying capacity, evaluating system operation status based on business traffic and operational metrics
• Optimize system performance to improve stability and throughput
• Upgrade the trading system architecture to enhance concurrency and scalability while understanding the original architecture
• Expand system functionality by adding new interfaces and features to adapt to evolving business requirements

Job Requirements

• Strong proficiency in Java programming and deep understanding of JVM internals
• Experience with system architecture design and performance optimization
• Ability to analyze and troubleshoot complex system issues
• Knowledge of distributed systems and high-concurrency architectures
• Familiarity with trading systems or financial applications is a plus
• Excellent problem-solving skills and attention to detail
• Strong communication skills to collaborate with cross-functional teams

Preferred Qualifications

• Experience with microservices architecture and containerization technologies
• Knowledge of financial markets and trading concepts
• Familiarity with performance monitoring tools and metrics analysis
• Experience with cloud-native application development