C++ Lead Engineer (HFT Trading Systems)

TL;DR

C++ Lead Engineer (HFT Trading Systems): Architecting and building high-performance, low-latency trading systems with an accent on system design, optimization, and technical leadership. Focus on kernel tuning, memory models, and collaboration with trading and quant research teams.

Location: London or Remote (EU)

Salary: £220,000 + Bonus

Company

hirify.global partners with a systematic trading firm focused on building latency-critical trading infrastructure.

What you will do

• Architect and build performance-critical, low-latency trading systems in modern C++
• Lead technical strategy, code reviews, and engineering standards across the team
• Optimize CPU cache usage, memory layout, NIC tuning, and networking
• Translate quant research into robust, deployable code with full-stack awareness
• Mentor engineers and drive improvements in system design and debugging
• Coordinate closely with trading and quant research teams on feature delivery and infrastructure upgrades

Requirements

• Must have 6+ years of professional C++ development experience with deep systems knowledge
• Proven leadership in engineering, architecture, and mentoring
• Strong understanding of OS internals, CPU architecture, and system-level performance
• Experience building fault-tolerant, throughput-heavy applications
• Strong communication skills to align across trading, research, and infrastructure teams

Nice to have

• Background in low-latency or high-frequency systems
• Python scripting for research pipelines or glue code
• Experience with networking protocols (TCP, UDP, L1/L2 stack)
• Familiarity with x86 assembly, memory barriers, and CPU profiling
• Participation in algorithmic programming contests (IOI, ICPC, Hashcode)

Culture & Benefits

• Senior technical ownership in a lean, high-impact trading team
• Health insurance, sports reimbursement, tuition and training budget
• Flat team structure with direct access to CTO and trading leads
• Flexible workflow and remote setup across Europe
• Minimal process, no red tape, full engineering autonomy