Senior Java Engineer

About Hytech Hytech is a leading management consulting firm headquartered in Australia and Singapore, specialising in digital transformation for fintech and financial services organisations. We deliver end-to-end consulting services and provide robust middle- and back-office solutions that enable our clients to optimise operations, enhance efficiency, and stay ahead in a fast-evolving digital landscape. With more than 2,000 professionals worldwide, Hytech has a strong and growing international presence, with offices across Australia, Singapore, Malaysia, Taiwan, the Philippines, Thailand, Morocco, Cyprus, Dubai, and beyond. About the Role We are looking for a Senior Java Engineer to design and build the core backend infrastructure powering a global trading platform. This role focuses on architecting high-performance, low-latency distributed systems capable of supporting large-scale concurrent trading while driving the long-term technical direction of the platform. Job Responsibilities Design and evolve scalable distributed architectures with high availability, disaster recovery, and multi-region active-active deployment.Collaborate with Product and QA teams to design, develop, and deliver core backend services.Lead architecture design and develop critical system components.Drive performance optimization across JVM, databases, middleware, and application code.Define technical roadmaps, architecture standards, and engineering best practices.Research and introduce emerging technologies such as AI and Web3 where applicable. Job Requirements Bachelor's degree in Computer Science, Engineering, or a related field.5+ years of Java development experience with at least 2 years in large-scale distributed system architecture.Strong expertise in Java concurrency, JVM tuning, performance optimization, and troubleshooting.Hands-on experience with Spring Boot, microservices, Dubbo, Kafka/RocketMQ, Redis, Elasticsearch, Netty, and WebSocket.Solid understanding of distributed systems, CAP/BASE theory, service governance, and high availability architecture.Proven experience building high-concurrency systems handling 10,000+ TPS/QPS.Deep understanding of trading platform architecture, including matching engines, market data, low-latency communication, and financial-grade consistency.Strong communication, collaboration, and technical leadership skills. Mandatory Requirement Experience building core systems for securities, derivatives, or cryptocurrency trading platforms, supporting 10,000+ TPS in production. Nice to Have Experience designing end-to-end architecture for trading platform modules such as Order Management, Matching Engine, Risk Control, Clearing & Settlement, Market Data, or Real-time Push Services. What We Offer Easy access to public transportation (LRT & KTM).Transportation allowance.Corporate insurance coverage, including dental, optical, and outpatient claims.Gym and fitness claims.Ongoing training and development opportunities.Exposure to exciting projects that support career growth and professional development.