JAVA DEVELOPER – ALGORITHMIC TRADING SYSTEMS

IO TECH SOLUTIONS LIMITED; Hong Kong; On-site; HKD 600,000 - 1,000,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED, a major financial institution with a global markets footprint, is expanding its Delta 1 Algorithmic Trading team and seeks a Java Developer to design, build, and enhance our execution platform.

This hands-on role focuses on developing low-latency trading systems, back-testing frameworks, and production-grade Java code to drive real-time execution across multiple asset classes.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Strong Java background with production-system experience.
• Experience with low-latency trading or real-time systems is a plus.
• Familiarity with Linux and scripting (Python/Bash) helpful.

Responsibilities

• Design & build high-performance trading systems powering in-house algorithms.
• Back-test and validate strategies and performance metrics.
• Improve and optimize existing algorithms for low latency and reliability.
• Own the production Java codebase and participate in design reviews.

Skills

Java Mastery

Concurrency

CS Fundamentals

Linux Proficiency

Scripting Languages

Education

Bachelor's degree in Computer Science

Job description

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.

Collaboration & Quality:

• 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.
• Linux Proficiency: Comfortable working in a Linux development environment.
• Scripting Ability: Good scripting skills using Python, Bash, or similar languages.

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.