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

Hyphen Connect; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A tech company in Singapore seeks a Backend Developer to join their team. The ideal candidate will have over 8 years of Java development experience and be proficient in designing large-scale systems. Responsibilities include developing backend systems and leading architectural evolution for trading matching engines. Familiarity with data aggregation systems and troubleshooting networking issues is essential. CEX experience is mandatory. This position offers an exciting chance to innovate in the fintech space.

Qualifications

• 8+ years of hands-on development experience.
• Experience in developing and optimizing large-scale systems.
• Deep understanding of Java-related frameworks.

Responsibilities

• Participate in backend systems development and provide technical support.
• Design architectures for complex payment-related systems.
• Lead technical challenges resolution ensuring system stability.

Skills

Expert-level proficiency in Java

Large-scale data aggregation

Redis

Troubleshooting networking issues

Experience with RabbitMQ or RocketMQ

Understanding of transactions

Experience with DDD and middleware

Education

Bachelor’s degree in Computer Science or related field

Tools

Spring Cloud Alibaba

MyBatis

SkyWalking

CAT

Job description

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.