Staff Low Latency Trading Systems Engineer (HFT)
Location: Remote (UK / Europe)
Package: Highly competitive & fully negotiable (top end candidates will be very well rewarded)
A cutting edge trading technology environment is seeking a Staff Low Latency Trading Systems Engineer to design and build exchange grade infrastructure at the forefront of market microstructure and high performance execution.
This is a deeply technical, high impact role focused on the absolute critical path-where microseconds matter and engineering quality directly influences trading outcomes.
The Role
This position sits at the core of a high performance trading stack, owning the architecture and development of ultra low latency systems used in real time execution environments.
The successful candidate will operate close to the metal-optimising every layer from hardware interaction through to matching logic-while maintaining determinism, resilience, and market integrity.
What You'll Be Working On
- Designing and building high performance order books and matching engines
- Developing exchange grade connectivity and market data systems
- Optimising hot path performance (memory, CPU, latency, concurrency)
- Engineering ultra low latency networking and packet processing systems
- Implementing robust risk controls, replay systems, and fault tolerance
- Working across Linux internals, CPU architecture, and hardware level optimisation
- Contributing to overall system architecture and engineering direction
What You'll Bring
- Deep expertise in order books, matching engines, and market microstructure
- 8+ years building performance critical, low latency systems (C++, C, or Rust)
- Experience in HFT, exchanges, or market infrastructure environments
- Strong understanding of networking, protocols, and low latency data flows
- Advanced knowledge of CPU architecture, memory models, and concurrency
- Ability to design systems that balance performance, correctness, and resilience
- Strong technical leadership and architectural ownership experience
Nice to Have
- Rust as a primary systems language
- Experience building or rewriting matching engines or trading infrastructure
- Knowledge of FIX, ITCH, OUCH, SBE or similar protocols
- Exposure to FPGA, kernel bypass, or colocated trading environments
- Experience with time synchronisation (PTP) and deterministic systems design
- Interest in applying exchange grade performance to crypto native systems
Why This Role
- Work on genuinely complex, performance critical systems
- Operate at the forefront of low latency trading and market design
- High level of ownership and technical autonomy
- Remote first across the UK and Europe
- Package fully negotiable, with significant upside for high calibre candidates
This is an opportunity for a senior engineer to take ownership of systems where performance is everything and engineering excellence is non negotiable.