Hunter Bond
C++ Software Engineer : Trading : £120-180k plus excellent bonus : London
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C++ Software Engineer : Trading : £120-180k plus excellent bonus : London
We’re partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where microseconds and design decisions genuinely matter.
The Role
You’ll be part of a core engineering team responsible for low-latency, high-throughput systems that sit directly on the trading path. The work spans strategy execution, market data processing, and core infrastructure, with a strong focus on performance and reliability. You’ll collaborate closely with quants, traders, and other systems engineers, taking research ideas and turning them into robust, production-grade software.
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Key Responsibilities
- Design and develop high-performance C++ systems used in live trading
- Build and optimise components for market data ingestion, pricing, and execution
- Profile, tune, and debug systems where latency and throughput are critical
- Contribute to system architecture and low-level design decisions
- Maintain high engineering standards around testing, code quality, and reliability
Core Technical Requirements
- Strong professional experience with modern C++ (C++17/20)
- Deep understanding of data structures, algorithms, and low-level system behaviour
- Experience working on latency-sensitive or performance-critical systems
- Strong knowledge of Linux, memory management, and concurrency
- Comfortable debugging complex issues across large, long-lived codebases
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Additional Languages & Technologies (Nice to Have)
- Experience with one or more of the following is a strong plus:
- Python (for research tooling, prototyping, or system glue)
- Rust or Go (modern systems or infrastructure tooling)
- Java or C# (broader backend exposure)
- Experience with networking, TCP/UDP, multicast, or kernel-level tuning
- Familiarity with build systems, CI/CD, and performance profiling tools
Nice to Have (But Not Required)
- Exposure to electronic trading systems or financial markets
- Experience with lock-free programming, custom allocators, or SIMD
- Background in distributed systems or real-time systems
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