Java Engineer at UnionEx

Job Description

Key Responsibilities

• Read and deeply understand the Java source code of the contract exchange, and master the core logic of the system.
• Maintain the normal operation of the system, and quickly locate and repair issues related to system errors and alarms.
• Understand the performance bottlenecks and carrying capacity of the system, and judge the system operation status based on business traffic and system operation indicators.
• Optimize system performance, improve system stability and throughput.
• On the basis of understanding the original architecture, upgrade the trading system architecture to improve concurrency and scalability.
• Expand system functions, add interfaces and features on the basis of the original system, and adapt to new business.

Job Requirements

• Strong proficiency in Java programming and deep understanding of Java source code.
• Experience in maintaining and troubleshooting large-scale systems.
• Ability to analyze performance bottlenecks and optimize system performance.
• Knowledge of system architecture design and scalability improvements.
• Experience in adding new features and interfaces to existing systems.
• Strong problem-solving skills and ability to work under pressure.
• Excellent communication skills and ability to work in a team environment.

Preferred Qualifications

• Experience in financial or trading systems is a plus.
• Familiarity with high-concurrency and high-throughput systems.
• Knowledge of microservices architecture and cloud technologies.