Senior Java Engineer (Perpetual/Derivatives Trading Systems) - Mandarin Speaking

Hyphen Connect; Dubai; On-site; AED 120,000 - 200,000; Full time

Job summary

A leading technology firm in the UAE is seeking a seasoned backend developer to enhance their centralized exchange systems. The ideal candidate will have over 8 years of Java development experience and strong expertise in designing large-scale computing systems. Responsibilities include designing architectures, leading critical technical designs, and ensuring the stability of core systems. Proficient knowledge in middleware and real-time computing is essential for success in this role.

Qualifications

• 8+ years of hands-on development experience in Java.
• Experience in optimizing large-scale computation systems.
• Expertise in system refactoring and CI/CD practices.

Responsibilities

• Develop backend systems for a centralized exchange.
• Design architectures for complex payment systems.
• Lead the development of real-time computing systems.

Skills

Java and its ecosystem

Large-scale data systems

Redis

Middleware technologies

Distributed transactions

Networking troubleshooting

Education

Bachelor’s degree in Computer Science or related field

Tools

Java frameworks (Spring Cloud Alibaba, MyBatis)

Messaging Queue technology (RabbitMQ, RocketMQ)

Job description

Dubai

Responsibilities

• Participate in the development of backend systems for the company’s centralized exchange (CEX), providing technical support for core business operations.
• Design architectures for complex future payment-related systems; demonstrate strong capabilities in designing large-scale distributed systems while ensuring high-quality architecture that balances development, operational, maintenance, and reliability costs.
• Contribute to solution design and technical reviews for key engineering projects; conduct quality assessments, identify issues during system iteration, and help enhance team efficiency and development quality.
• Lead research and resolution of critical technical challenges, ensuring stability of the core systems.
• Participate in core architecture implementation, write high-quality code, train and guide developers, and help standardize engineering processes.
• Lead the design, development, and innovation of real-time computing systems.
• Drive the architectural evolution of the trading matching engine (handling tens of millions to hundreds of millions of daily requests).
• Lead the development of rule engines, variable platforms, and other mid-platform (middleware) systems.

Requirements

• Bachelor’s degree in Computer Science or related field; expert-level proficiency in Java and its ecosystem, with 8+ years of hands‑on development experience.
• Experience in developing and optimizing large-scale data aggregation, query, and computation systems.
• Experience with large-scale system refactoring; hands‑on exposure to DDD, middleware platforms, and CI/CD is a strong plus.
• Deep understanding of Java-related frameworks such as Spring Cloud Alibaba, MyBatis—their design principles and internal mechanisms; strong knowledge of transactions and distributed transactions.
• Proficient in Redis and at least one MQ technology such as RabbitMQ or RocketMQ; familiarity with middleware such as SkyWalking, CAT, and scheduling/orchestration systems.
• Experience building or promoting core frameworks in large-scale companies is preferred.
• Familiar with common networking issues and capable of effective troubleshooting.
• CEX experience is mandatory.