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Mid-Senior Front Office Developer (Rust/C++)

IO Tech Solutions Limited
Hong Kong, Hong Kong SAR, Hong Kong
On-site

About this role

Hong Kong, Hong Kong SAR, Hong Kong

Mid-Senior Front Office Developers to build and enhance high-performance trading systems. This role is ideal for engineers who enjoy solving complex technical challenges, designing scalable systems, and working in a fast-paced, low-latency environment.

Responsibilities

  • Design, develop, and maintain high-performance backend applications using Rust and/or C++.
  • Build scalable, reliable, and low-latency systems that support front office trading activities.
  • Participate in system architecture, technical design, and component ownership throughout the software development lifecycle.
  • Optimize application performance, latency, and resource utilization.
  • Collaborate closely with traders, quantitative researchers, and engineering teams to deliver business-critical solutions.
  • Troubleshoot production issues and continuously improve system stability and reliability.
  • Contribute to code reviews, technical discussions, and engineering best practices.

Requirements

  • Bachelor's degree in Computer Science, Software Engineering, or a related discipline.

  • 4–8 years of software engineering experience in a fast-paced, high-performance environment.

  • Strong programming experience in Rust and/or C++.

  • Hands-on experience building low-latency or high-performance systems.

  • Strong understanding of system design, software architecture, concurrency, and performance optimization.

  • Demonstrated ownership of key system components or technical initiatives.

  • Excellent problem-solving and communication skills.

  • Stable career history with consistent technical growth.

  • Nice to Have

  • Experience in electronic trading, capital markets, fintech, or financial services.

  • Exposure to C or Zig.

  • Familiarity with Linux, multithreading, networking, and distributed systems.

Required Skills

  • C++

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