Io Tech Solutions Limited Hiring! Full Time Senior Java - Full-stack Engineer – Trading - Accounting Systems in Hong Kong - Ricebowl

My client, a leading global financial institution, is looking for a Senior Java / Full-stack Engineer to join their Private Wealth Management Technology team.

This role sits at the core of building and enhancing both trading platforms and portfolio accounting systems, supporting high-net-worth clients across Asia and globally. You will work on high-performance distributed systems, microservices, and data-intensive applications across multiple asset classes and business domains.

• Design, develop, and modernize trading and portfolio accounting platforms using Java and related technologies
• Build scalable microservices, core libraries, and reusable backend components
• Develop event-driven systems and data streaming workflows (e.g., Kafka, MQ)
• Contribute to system architecture, design reviews, and engineering best practices
• Prototype, enhance, and refactor legacy components into modern tech stacks
• Monitor, troubleshoot, and optimize performance of high-volume, low-latency systems
• Collaborate with global teams (engineering, QA, product, and architecture)
• Support production systems (L3) and ensure system stability and reliability
• Follow Agile methodologies and adopt DevOps practices (CI/CD, automation)

• Strong Core Java skills with solid Object-Oriented Design experience
• Hands-on experience with Spring Boot, REST APIs, and microservices architecture
• Experience with multithreading and building high-performance backend systems
• Knowledge of event/message-driven architectures (Kafka, MQ, etc.)
• Strong understanding of relational databases (e.g., DB2) and data modeling
• Experience working with distributed systems and large-scale data processing
• Strong debugging, problem-solving, and analytical skills
• Good communication skills and ability to work in global teams