Senior Low-Latency Java Engineer — Hybrid London Trading

McGregor Boyall; City Of London; Hybrid; GBP 120,000 - 160,000; Full time

Job summary

McGregor Boyall partners with a leading global investment bank to hire a hands-on low-latency engineer for its specialist electronic trading technology team in London. The role focuses on building Java and Rust event-sourcing frameworks that power ultra-fast algorithmic trading platforms at scale.

You will contribute across the full stack, optimize JVM and Linux performance, and mentor juniors while taking technical ownership of critical trading components.

Qualifications

• Modern Java and JVM performance optimisation.
• Low-latency algorithmic trading systems.
• Linux internals, system calls and kernel tuning.
• TCP/IP and kernel-bypass technologies.
• Event-driven or event-sourcing microservices.
• Performance analysis and targeted optimisation.

Skills

Java

Low-Latency

Electronic Trading

Algorithmic Trading

JVM

Market Data

Linux

Performance Tuning

Event-Driven

Microservices

Multithreading

TCP/IP

Kernel Bypass

KDB+

Rust

C++

Backtesting

Trading Systems

System Architecture

Job description

McGregor Boyall partners with a leading global investment bank to hire a hands-on low-latency engineer for its specialist electronic trading technology team in London. The role focuses on building Java and Rust event-sourcing frameworks that power ultra-fast algorithmic trading platforms at scale.

You will contribute across the full stack, optimize JVM and Linux performance, and mentor juniors while taking technical ownership of critical trading components.