JAVA DEVELOPER – ALGORITHMIC TRADING SYSTEMS

IO Tech Solutions Limited; Hong Kong; On-site; HKD 700,000 - 1,100,000; Full time

Job summary

IO Tech Solutions Limited in Hong Kong is seeking a Java Developer to design, build, and enhance our Delta 1 Algorithmic Trading platform. This hands-on role focuses on low-latency, high-reliability performance in a fast-paced financial environment.

You will design, implement, test, and optimize high-performance trading systems, participate in architectural discussions, and contribute to back-testing and production support.

Qualifications

• Degree in Computer Engineering, Computer Science, or equivalent technical discipline.
• Strong Java expertise with production systems experience.
• Strong understanding of data structures, algorithms and design patterns.

Responsibilities

• Design & Build high-performance trading systems powering in-house algorithms.
• Back-test & Validate algorithm reliability, performance and risk-adjusted returns.

Skills

Java Mastery

Concurrency Expert

CS Fundamentals

Education

Degree in Computer Engineering/CS

Job description

JAVA DEVELOPER – ALGORITHMIC TRADING SYSTEMS

A major financial institution with a significant presence in global markets. We operate sophisticated in-house trading systems across equities and derivatives, leveraging cutting-edge technology to maintain our competitive edge.

We are currently expanding our Delta 1 Algorithmic Trading technology team and looking for a Java Developer to design, build, and enhance our execution platform.

The Role:

This is a hands-on development role focused on the design and implementation of industry-leading algorithmic trading systems. You will work on the core platform that executes our proprietary trading algorithms across multiple asset classes, ensuring low-latency, high-reliability performance in a fast-paced environment.

What You'll Actually Do:

Core Development:

• Design & Build: Architect and develop high-performance trading systems that power our in-house algorithmic execution strategies.
• Back-Test & Validate: Build and maintain back-testing frameworks to evaluate algorithm reliability, performance, and risk-adjusted returns.
• Enhance & Optimize: Continuously improve existing algorithms and implement new strategies based on evolving business requirements.
• Own the Code: Write clean, maintainable, production-grade Java code that meets rigorous performance and reliability standards.
• Architectural Input: Participate in technical design discussions and contribute to architectural decisions that shape the future of the platform.
• Code Reviews: Review peer code to ensure quality, consistency, and adherence to best practices.
• Requirements Analysis: Translate complex business requirements into pragmatic technical solutions, creating specifications where needed.
• Support & Maintenance: Support the implementation lifecycle and troubleshoot production issues to ensure system stability.

Who You Are (The Must-Haves):

Core Technical Skills:

• Java Mastery: Deep, expert-level knowledge of Java with proven experience building production systems.
• Concurrency Expert: Excellent understanding of threading, synchronization, and concurrent programming in Java.
• Computer Science Fundamentals: Strong grasp of data structures, algorithms, and software design patterns.

Academic Background:

• A degree in Computer Engineering, Computer Science, or an equivalent technical discipline.

Soft Skills:

• Thrives Under Pressure: Comfortable working in a fast-paced, dynamic environment with tight deadlines.
• Problem-Solver: Analytical mindset with the ability to decompose complex problems into practical solutions.
• Team Player: Collaborative and open to feedback through code reviews and technical discussions.

What Sets You Apart (Nice-to-Haves):

• Investment Banking Experience: Prior experience working in an investment bank or similar financial institution.
• Algo Development: Exposure to algorithm development, trading strategies, or quantitative systems.
• C++ Knowledge: Experience with C++ development is a strong plus.
• Advanced Linux: Deep understanding of Linux system internals, performance tuning, and low-level optimization.
• Networking & Architecture: Knowledge of computer networks, computer architecture, and operating systems.
• Agile Methodologies: Familiarity with Agile software development practices (Scrum, Kanban, etc.).

Why You Should Consider This:

• High-Impact Work: Your code directly drives trading decisions and execution in real-time markets.
• Complex Challenges: Work on distributed, low-latency systems that push the boundaries of performance engineering.
• Collaborative Environment: Join a team of talented engineers who value code quality, innovation, and continuous improvement.
• Career Growth: Build expertise at the intersection of finance and cutting-edge technology.
• Competitive Compensation: Attractive package commensurate with experience and impact.