Head of Low-Latency Algorithmic Trading & Execution

galaxydigitalservices; Greater London; On-site; GBP 150,000 - 250,000; Full time

Benefits offered by this job

Competitive base salary

Health benefits for employee andDepend

Flexible / smart working

Job summary

Galaxy Digital Inc. is seeking an experienced Algo Trading / Head of Execution to build and benchmark high-performance trading systems in a fast-paced, global environment.

You will lead development of low-latency routing and contribute to architecture decisions, collaborating with traders, product managers, and external partners. Ideal candidates have extensive experience in crypto markets or related financial ecosystems, and a strong hands-on technical background with cloud and on-premise

Qualifications

• 10+ years of experience developing routing strategies for specific markets (e.g., crypto)
• Strong knowledge of tick data analytics and real-time market data processing
• Familiarity with cloud-based market access or hybrid deployments
• Experience in high-frequency or algorithmic trading environments
• Experience building low-latency systems and working with market data feeds
• Solid understanding of trading system architecture and infrastructure
• Proficiency in FIX protocol and trading system architecture (OMS/EMS)
• Familiarity with concurrency, networking, and memory management
• Experience with Linux systems and performance profiling tools

Responsibilities

• Design and lead the development of a low-latency, high-throughput Algo Trading / SOR system
• Implement intelligent routing algorithms based on execution quality, liquidity, latency, and cost
• Collaborate with traders, and product managers to refine routing logic and build new algorithmic capabilities
• Integrate the SOR with the trading, booking and reporting stack
• Monitor and optimize system performance under real-world trading conditions
• Mentor junior developers, enforce code quality standards, and contribute to architectural decisions
• Provide support for production trading issues and continuously improve system resilience and failover mechanisms

Skills

Algorithmic trading

Low-latency systems

Linux performance profiling

Concurrency & networking

Problem solving

Tools

FIX protocol

OMS/EMS

Trading system architecture

Cloud platforms (AWS/GCP)

Market data feeds (multicast/unicast)

Job description

Galaxy Digital Inc. is seeking an experienced Algo Trading / Head of Execution to build and benchmark high-performance trading systems in a fast-paced, global environment.

You will lead development of low-latency routing and contribute to architecture decisions, collaborating with traders, product managers, and external partners. Ideal candidates have extensive experience in crypto markets or related financial ecosystems, and a strong hands-on technical background with cloud and on-premise