C++ Engineer- Up to £170,000 + Bonus + Package

JR United Kingdom; London; Hybrid; GBP 100,000 - 170,000; Full time

Job summary

A leading finance institution is seeking a high-calibre C++ Engineer to join their elite systems team in London. You will develop ultra-low-latency trading platforms, optimizing system performance at multiple levels. This role offers immediate impact on global trading outcomes and opportunities for career growth within a team of world-class engineers.

Qualifications

• Expert knowledge of modern C++ (11/14/17/20).
• Strong understanding of computer architecture and CPU-level tuning.
• 1+ year of experience in systems engineering.

Responsibilities

• Build and refine ultra-fast, low-latency trading infrastructure.
• Optimize systems at the CPU, cache, and memory layers.
• Identify and eliminate performance bottlenecks.

Skills

C++

Concurrency

Multi-threading

System design

Job description

Location: London (Hybrid)

Salary: Up to £170,000 + Bonus + Excellent Benefits

Experience Level: 1+ Year

The Role

Are you passionate about speed, precision, and pushing hardware to its limits? A world-class buy-side institution is looking for a high-calibre C++ Engineer to join their elite systems team. You’ll help engineer ultra-low-latency platforms that power trading at the microsecond level—where every line of code counts.

This is a rare opportunity to work at the cutting edge of finance and systems engineering, solving complex problems in a live production environment.

What You’ll Be Working On

• Build and refine ultra-fast, low-latency trading infrastructure
• Optimize systems at the CPU, cache, and memory layers
• Engineer efficient data structures and high-performance algorithms
• Identify and eliminate performance bottlenecks at every level of the stack
• Drive innovation through deep systems and hardware-level optimization

What You’ll Bring

• Expert knowledge of modern C++ (11/14/17/20) with a performance-first mindset
• Strong understanding of computer architecture and CPU-level tuning
• Experience with concurrency, multi-threading, and scalable system design

Why This Role?

• Immediate Impact – Your code directly shapes global trading outcomes
• Innovation-Focused – Work on advanced systems optimization and architecture
• Work with the Best – Join a close-knit team of world-class engineers
• Accelerated Career Path – Flat structure, technical ownership, and fast growth