C++ Senior Software Engineer
🔒 Confidential Employer
Posted 24 April 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£250,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion
SKILLS
C++
Linux
Performance Optimization
Concurrency
Low-latency
Data Structures
Algorithms
Systems-level programming
FULL DESCRIPTION
Role: C++ Software Engineer
Client: Top-Tier Proprietary Trading Firm
Compensation: £150-250k+ package on offer...apply now!
Location: London (Hybrid)
Key responsibilities include:
- Designing and developing high-performance C++ systems for trading, pricing, and market data
- Writing low-latency, highly reliable code in a Linux environment
- Optimising performance across CPU, memory, and network layers
- Collaborating closely with quantitative researchers and traders
- Taking ownership of systems from design through to production
Requirements
- Strong professional experience in modern C++ (C++17/20+)
- Deep understanding of performance, concurrency, and systems-level programming
- Experience building complex, high-throughput, low-latency applications
- Strong computer science fundamentals (data structures, algorithms, OS concepts)
- A mindset that values clean design, code quality, and continuous improvement
- Experience in trading or finance is not required — many successful hires come from big tech, systems engineering, gaming, or other performance-critical domains.
What’s on Offer
- Work for a top-tier trading firm with a global reputation
- Elite compensation: highly competitive base + significant bonus
- Small, high-calibre teams with real ownership and autonomy
- A culture that values engineering excellence over hierarchy
- Access to cutting-edge hardware, tooling, and real-world technical challenges
Sign up free — access 45,000+ UK sponsor-licensed jobs