Head of Execution, Trading Execution Engineering

Head of Execution, Trading Execution Engineering Reports to: Chief Technology Officer About Bullish Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: Bullish Exchange – a regulated digital assets spot and derivatives exchange, integrating a high‑performance central limit order book matching engine with automated market‑making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong, and Gibraltar.CoinDesk Indices – a collection of tradable proprietary and single‑asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries.CoinDesk Data – a broad suite of digital assets market data and analytics, providing real‑time insights into prices, trends, and market dynamics.CoinDesk Insights – a digital asset media and events provider and operator of Coindesk.com, a digital media platform that covers news and insights about digital assets, the underlying markets, policy, and blockchain technology. The Head of Execution will be pivotal in architecting and optimizing our trading systems and leading a global team of Java developers, working closely with quant engineering and product teams to deliver high‑performance, low‑latency trading solutions. You will play a pivotal role in managing a team of expert low‑latency Java developers. Your expertise will be crucial in designing and implementing optimized micro‑services, matching engines, and FIX flows, leveraging your deep understanding of trading products. Key Responsibilities Help architect our trading system, ensuring it meets the highest standards of performance and reliability. Work closely with quant engineering and product teams to define best‑in‑class products and translate them into technical designs with a focus on performance. Lead and manage a global team of Java developers across HK, SG, and US, fostering a culture of innovation and excellence. Connect with stakeholders and senior management to gather feedback and develop tactical and strategic solutions. Provide L3 support with high‑level debugging skills, designing plans to tackle production issues 24x7. Design, build, and maintain efficient, reusable, and reliable Java code, implementing performant and quality modules. Measure and tune Java code and middleware solutions for optimal performance, identifying bottlenecks and devising solutions. Maintain high standards of code quality, organization, and automation. Experience & Qualifications Degree in Computer Science or a related field. 13+ years of experience as a Java backend engineer, with mastery in Java 17+ and key JDK classes/packages, especially Java Collections and Concurrency. Proven experience in architecting trading systems. Solid understanding of trading products such as Spot, Margin, and various derivatives. Experience in writing low‑GC or no‑GC Java applications and implementing trade matching engines. Expertise in designing high‑throughput, low‑latency systems from the ground up. Proficiency in performance measurement and tuning. Proficient with git (GitHub), Docker, Kubernetes, JIRA, Confluence. Understanding of messaging technologies such as Rabbit MQ, Solace, Aeron, etc. Familiarity with DevOps and CI/CD practices. Knowledge of network protocols and computer architecture. Extensive experience managing a global development team. Bonus Experience Familiarity with Google Cloud Platform (GCP) Understanding of blockchain technologies Bullish is proud to be an equal opportunity employer. We are fast evolving and striving towards being a globally‑diverse community. With integrity at our core, our success is driven by a talented team of individuals and the different perspectives they are encouraged to bring to work every day. #J-18808-Ljbffr