Senior Java / Full-stack Engineer – Trading & Accounting Systems

🏢 IO Tech Solutions Limited
📍 Hong Kong
📅 Posted Oct 10, 2026 · via Himalayas
🏷 Java Developer, Full Stack Engineer, Backend Engineer, Software Engineer, Trading Systems Engineer, Senior Trading Systems Engineer +1 more
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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.
Key Responsibilities

- 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)

Required Skills

- 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

Originally posted on Himalayas

Flights + hotels

This role requires you to be in Hong Kong. If that means relocating or flying in, it is worth checking fares before you commit to a start date.

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