Senior Rust & Java Engineer — Low-Latency Trading

McGregor Recruitment; Greater London; Hybrid; GBP 110,000 - 180,000; Full time

Job summary

McGregor Recruitment is seeking a Senior Low Latency Rust Engineer to join a specialist electronic trading team in London. You will build frameworks, libraries and performance tooling for latency-sensitive platforms across a global trading environment.

Approximately 90% of the role is hands-on coding with a focus on Rust alongside modern Java, working hybrid with up to 3 days in the office. The role demands deep expertise in high-performance systems engineering and latency across the full stack;

Qualifications

• You’ll ideally come from a background in algorithmic trading, electronic trading, market data or another genuinely latency-sensitive environment.
• Relevant experience could include:
• Rust, modern Java or C++
• Low-latency / high-throughput systems
• Algorithmic or electronic trading
• Market-data technologies
• Linux internals and kernel behaviour
• TCP/IP networking
• Solarflare / OpenOnload or similar kernel-bypass technologies
• KDB or other time-series databases
• Performance tuning and optimisation

Responsibilities

• Low-latency Rust and Java frameworks
• Event-sourced systems operating in the 10–100 microsecond range
• Market-data replay, backtesting and simulation tooling
• High-performance market-data processing
• Linux, kernel and systems-level performance optimisation
• TCP/IP networking and kernel-bypass technologies
• Performance profiling, benchmarking and latency reduction
• Frameworks and tooling used across 100+ technology teams

Skills

Rust

Java

C++

Low-latency

Market-data

Linux internals

TCP/IP networking

Kernel-bypass

KDB

Performance tuning

Job description

McGregor Recruitment is seeking a Senior Low Latency Rust Engineer to join a specialist electronic trading team in London. You will build frameworks, libraries and performance tooling for latency-sensitive platforms across a global trading environment.

Approximately 90% of the role is hands-on coding with a focus on Rust alongside modern Java, working hybrid with up to 3 days in the office. The role demands deep expertise in high-performance systems engineering and latency across the full stack;