Low-Latency Quantitative Trading Systems Engineer

United States Digital Space LLC

Greater London

On-site

GBP 120,000 - 180,000

Full time

14 days+

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Job summary

United States Digital Space LLC in London seeks an experienced Quantitative Trading Systems Engineer to build and maintain production C++ trading systems, spanning market data ingestion to order execution across Futures, FX, and Fixed Income.

You will work closely with the Senior Portfolio Manager to design real-time, high-performance infrastructure, production integration, deployment, monitoring, and live trading support, interfacing with central technology teams to leverage shared services.

Qualifications

Bachelor's degree in a quantitative field; Master/PhD preferred.
5+ years building production systems in electronic trading environments.
Strong C++ skills in a performance-critical, low-latency context.
Deep understanding of concurrent, real-time systems design.
Strong Linux development experience.
Familiarity with monitoring, controls, and production support in front-office settings.

Responsibilities

Build the team’s C++ latency-sensitive trading systems from market data ingestion to order execution.
Productionise performance-critical signal computation within the trading systems.
Build the supporting research infrastructure, including replay and data management.
Support execution-related workflows across systematic strategies in Futures, FX, and Fixed Income.
Specify the team’s performance and infrastructure requirements to central technology teams and work with them to deliver.
Partner with broader technology teams to leverage shared platforms and services for execution, risk, data and monitoring.
Implement and maintain team-level trading controls and ensure integration with the firm’s trading control framework.