Real-Time Market Data Engineer (Low Latency)

Millennium Management LLC; City Of London; On-site; GBP 90,000 - 140,000; Full time

Job summary

MillenniumMillennium is seeking a Market Data Engineer in London to support real-time market data environments, including feed handlers and distribution infrastructure. The role collaborates with trading desks, PMs, and IT teams to address evolving business needs and drive platform enhancements.

You will work across low-latency and enterprise environments, focusing on automation, monitoring, and incident management to ensure stability and high performance.

Qualifications

• Experience supporting market data environments within a global organization, including internally developed feed handlers and distribution infrastructure.
• Strong background in developing and supporting complex market data systems.
• Hands-on site reliability engineering or operational expertise, including system administration, automation, measurement, and release/deployment management.

Responsibilities

• Support and manage both enterprise and latency-sensitive real-time market data environments.
• Partner with Portfolio Managers, trading desks, and core technology teams to support users of the market data platform.
• Shape the team's technical direction by driving platform enhancements and new engineering initiatives.
• Collaborate with hardware and software engineering teams to build real-time market data processing and distribution systems.
• Optimize platform performance through network and systems programming techniques to reduce latency and improve reliability.
• Design and build tools that automate support and platform management, including monitoring, metrics, visualization, and self-service capabilities.
• Strengthen operational processes and workflows across release management, incident response, remediation, and SLA enforcement.
• Contribute to the stability and evolution of the global market data plant across both low-latency and non-latency-sensitive environments.

Skills

Market data concepts

SRE/operations

Automation

Monitoring

Linux networking

Scripting

Education

Bachelor's degree in Computer Science or related field

Tools

Bloomberg Terminal

Thomson Reuters

Job description

MillenniumMillennium is seeking a Market Data Engineer in London to support real-time market data environments, including feed handlers and distribution infrastructure. The role collaborates with trading desks, PMs, and IT teams to address evolving business needs and drive platform enhancements.

You will work across low-latency and enterprise environments, focusing on automation, monitoring, and incident management to ensure stability and high performance.