Senior Software Engineer - Real-Time Trading & OMS Lead

Millennium Management LLC; Hong Kong; On-site; HKD 1,200,000 - 1,900,000; Full time

Job summary

Millennium Management LLC in Hong Kong seeks an experienced Technical Lead / Senior Software Engineer to join our Execution Services Technology Team. Lead design, development and support of mission-critical trading platforms, with a focus on order management systems, low-latency infrastructure and platform modernization.

This role mentors engineers, promotes strong engineering standards, and partners with global teams to deliver reliable, high-quality solutions while investigating incidents and

Qualifications

• 8+ years of software engineering experience, preferably in financial services or other high-availability environments.
• Strong experience with distributed, event-driven & low-latency systems and a solid background in systems design, performance optimization, and production support.
• Proven ability to lead technical initiatives and solve complex production issues.
• Strong communication & problem-solving skills and experience mentoring engineers and working across cross-functional teams.
• Experience with order management systems (OMS) or trading infrastructure.
• Familiarity with StreamBase, Solace, Tibco, SoupTCP, or similar technologies.
• Experience modernizing legacy systems and designing APIs.
• Exposure to test automation and reliability-focused engineering practices.

Responsibilities

• Lead the design, development, and support of critical trading platforms, provide technical leadership for low-latency and high-availability systems, and drive platform modernization initiatives.
• Act as a senior escalation point for production incidents, troubleshoot complex performance and stability issues, and drive improvements in system scalability, resiliency, and operational excellence.
• Partner with global teams and stakeholders to deliver reliable, high-quality solutions while mentoring engineers and promoting strong engineering standards, collaboration, and knowledge sharing.

Skills

Distributed systems

Low-latency systems

Production support

Mentoring engineers

Architectural design

OMS / trading infrastructure

APIs design

Test automation

Job description

Millennium Management LLC in Hong Kong seeks an experienced Technical Lead / Senior Software Engineer to join our Execution Services Technology Team. Lead design, development and support of mission-critical trading platforms, with a focus on order management systems, low-latency infrastructure and platform modernization.

This role mentors engineers, promotes strong engineering standards, and partners with global teams to deliver reliable, high-quality solutions while investigating incidents and