Low-Latency C++/Go Engineer - Remote Trading Infra

Reactive Markets Limited; United States; Remote; USD 79,000 - 119,000; Full time

Benefits offered by this job

Private health insurance

Pension

Life insurance

Dental/optical cashback

Cycle to work

Socials and offsites

Job summary

Reactive Markets Limited seeks a C++ Software Engineer to help build low-latency trading infrastructure on Linux. You will work on core components of the Switchboard platform, including pricing engines, connectivity gateways, and market-data systems.

Remote-friendly, UK-based full-time role with opportunities to grow into senior technical leadership. The role emphasizes performance-sensitive development, strong C++ coding on a modern cloud-native stack, and collaboration across tooling,

Qualifications

• 3+ years of strong C++ engineering
• Experience with Go and Linux in a modern cloud-native stack
• Familiarity with networking fundamentals (TCP/UDP) and high-performance systems
• Python scripting and tooling for automation and data analysis

Responsibilities

• Build low-latency trading infrastructure on Linux
• Develop core components of the Switchboard platform and pricing engines
• Create reliable connectivity gateways and market-data systems
• Contribute to testing, deployment, and incident response

Skills

C++

Go

Python

Linux

Networking TCP/UDP

Performance tuning

Observability

Job description

Reactive Markets Limited seeks a C++ Software Engineer to help build low-latency trading infrastructure on Linux. You will work on core components of the Switchboard platform, including pricing engines, connectivity gateways, and market-data systems.

Remote-friendly, UK-based full-time role with opportunities to grow into senior technical leadership. The role emphasizes performance-sensitive development, strong C++ coding on a modern cloud-native stack, and collaboration across tooling,