Algo Java Developer - Leading Investment Bank
IO TECH SOLUTIONS LIMITEDHong Kong, Hong Kong
Posted December 11, 2025
Full Time
About the Company
IO Tech Solutions Limited is a leading IT talent and services provider with 25 years of industry experience. The firm specializes in IT staffing, consulting, contracting, payroll, and comprehensive talent solutions across Hong Kong, Singapore, UAE, UK, and Australia. By leveraging deep talent networks and market intelligence, IO Tech delivers strategic partnerships that connect clients to high‑potential opportunities and skilled professionals. Its distinctive advantage lies in a client‑centric approach that blends technology expertise with a global reach, enabling rapid, customized solutions for evolving IT demands.
Job Description
Design, develop, and maintain Java-based applications for equities trading, focusing on backend systems, and participate in the full software development lifecycle.
Requirements
- Experience in developing large scale complex event-driven / reactive systems involving fault-tolerant, globally distributed processes with high frequency message /event workflows.
- Experience in Java / C++ building high performance systems involving concurrency and networking protocols with strong knowledge of Data Structures and Algorithms.
- Experience in building ultra-low latency and / or high throughput systems in Financial Markets or Big Data Analytics.
- Focused on ensuring to deliver quality solutions following Agile methodologies and Test-driven development.
- Knowledge of CPU / GPU Architecture, Memory management Shared Memory / Memory Mapped files, Networking Protocols TCP / UDP etc with understanding of Linux internals.
- Candidates with Java experience should have knowledge of GC, JNI, Java Unsafe, JNRFFI etc.
- Knowledge of Aeron (preferred).
- At least one degree in Computer Science, Engineering, Physics, or Mathematics.