Market Data Real-Time Developer

Millennium Management LLC; Hong Kong; On-site; HKD 900,000 - 1,300,000; Full time

Job summary

Millennium is seeking a Market Data Real-Time Developer to join its Information Technology team in Hong Kong. You will design and implement real-time market data components that connect to brokers, exchanges and other venues, focusing on low-latency, multi-threaded C++ systems.

You will build and enhance the data workflow across design, delivery and operational support, optimize performance on Windows and Linux, and collaborate with Portfolio Managers and IT teams to ensure robust market data

Qualifications

• 5+ years in financial markets technology.
• Advanced C++ development for low-latency systems.
• Strong Linux experience; Windows/Linux OS tuning.
• Experience with data feeds and trading infrastructure.

Responsibilities

• Develop real-time market data components.
• Build end-to-end data workflow across data services.
• Integrate market data with trading infrastructure.
• Engineer low-latency, high-performance applications.
• Analyze large data sets to improve reliability.
• Tune OS/network settings for performance.
• Interpret exchange specifications for connectivity.
• Collaborate with IT teams and Portfolio Managers.

Skills

C++

Linux

Multi-threading

Python

Performance tuning

Networking concepts

Trading knowledge

Market data

Communication skills

Job description

Market Data Real-Time Developer

About Millennium

Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team

Core to the health and growth of our business, Millennium’s Information Technology organization develops the flexible, scalable technology and advanced proprietary systems that support the firm’s active, multi-manager platform. Within this environment, the Market Data Engineering team owns the full market data workflow across design, delivery and operational support, supporting a broad range of data services spanning low-latency and file-based solutions.

What You’ll Do

• Develop real-time market data components that connect to brokers, exchanges, and other electronic trading venues
• Build and enhance systems that support the full data workflow, including design, delivery, and operational support across multiple data services
• Integrate market data solutions with related trading infrastructure, including pre-trade risk checking systems
• Engineer low-latency, high-performance, multi-threaded applications in C++ for production trading environments
• Analyze large data sets to troubleshoot issues, improve performance, and support platform reliability
• Tune applications and underlying OS and network settings across Windows and Linux environments to optimize performance
• Interpret exchange specifications and protocol definitions to implement and support connectivity solutions
• Partner closely with IT teams, developers, and Portfolio Managers to deliver robust market data capabilities

What You Bring

• 5+ years of professional experience in financial markets technology, ideally within a financial institution or financial services environment
• Advanced C++ development skills, with strong experience building low-latency, multi-threaded, high-performance systems
• Strong Linux programming experience, with hands-on knowledge of Windows and Linux at the OS and network tuning level
• Experience with kernel bypass optimization and performance on Linux platforms
• Proficiency in large-scale data analysis and advanced scripting, preferably in Python
• Strong understanding of trading asset classes such as equities, futures, and FX
• Deep familiarity with Asian market data feeds and market data platforms, including exchange raw feeds and third-party direct feeds
• Working knowledge of networking and connectivity concepts, including multicast, routing, and TCP/IP, along with strong written and verbal communication skills