Director, Head of Execution

Who We Are: Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to digital assets, including trading, advisory, asset management, staking, self-custody, and tokenization. Galaxy also develops and operates data center infrastructure to power AI and HPC workloads. Anchored by its Helios campus in Texas, Galaxy is building a multi-gigawatt pipeline of more than 5.7 GW of potential capacity, positioning it among the largest and fastest-growing data center developers in North America. The Company is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia. Additional information about Galaxy's businesses and products is available on www.galaxy.com . What We Value: We are a diverse team of free thinkers, and fast movers united to help investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be. • Seek Excellence. • Be Selective To Be Effective. • Be Highly Aligned, Loosely Coupled. • Disagree Transparently. • Encourage Independent Decision-Making. • Build Dream Teams. Who You Are: We’re seeking an experienced Algo Trading / Head of Execution to join our team. You have a proven track record of building and benchmarking execution algorithms. Ideally, you’ve been actively engaged with the crypto markets or have a strong curiosity about them. In this role, you will take the lead in developing greenfield algorithmic trading systems, shaping the core of our next-generation trading infrastructure. You’ll work closely with trading teams, stakeholders, and external partners to deliver critical initiatives that drive our business forward. If you’re a natural problem-solver with a passion for hands-on technical development in a global, fast-paced environment, we want to hear from you. What You’ll Do: • Design and lead the development of a low-latency, high-throughput Algo Trading / Smart Order Router 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 What We’re Looking For: • 10+ years of experience developing routing strategies for specific markets (e.g., U.S. equities, EU markets, crypto exchanges) • Knowledge of tick data analytics and real-time market data processing • Familiarity with cloud-based market access or hybrid deployments • Experience working in high-frequency or algorithmic trading environments • Experience building low-latency systems and working with multicast/unicast market data feeds • A solid understanding of the application stack and infrastructure associated with electronic and algorithmic trading • Strong technical background, with the ability to understand system architecture and technical workflows • Proficiency in FIX protocol and trading system architecture (OMS/EMS, market gateways) • Familiarity with concurrency, networking, and memory management • Experience with Linux systems and performance profiling tools • A proactive, problem-solving