Senior Engineer, Trading Product Engineering

About Bullish Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused 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. Reports to: Vice President, Engineering Engineering Organization & Culture At Bullish, we are engineering the institutional standard for the digital asset industry. Our mission is to build a platform centered on security and compliance, requiring a commitment to technical excellence that extends beyond delivering code. As a global organization, we set a high bar for those driven to do their best work alongside experienced, deeply specialized peers. Engineers here treat development as a craft and own the outcome from concept to deployment. Our teams bring structure to ambiguity and shape the frameworks that support a global organization. We refuse to compromise on quality and seek problem solvers who thrive on complex technical challenges with real market consequences. The Team: Trading Product Engineering The Trading Product Engineering team builds the core distributed systems that drive the global trading experience on Bullish Exchange. We own the end-to-end order lifecycle, orchestrating a hybrid matching engine that combines a Central Limit Order Book with proprietary Automated Market Making. Our high-throughput APIs enable trading across Spot, Futures, and Options. The work demands absolute correctness in managing complex financial state transitions, translating intricate market structures into scalable solutions. What You'll Do • Design and deliver reusable, reliable, low-latency Java code that powers the Exchange. • Raise the bar on code quality, organization, and automation as the system scales under load. • Profile and resolve performance bottlenecks in the order-processing path. • Improve stability through automated tests at the unit, integration, and performance layers. • Collaborate across a distributed team of engineers, product managers, and project managers. What You'll Bring • Strong Java (17+) fluency with experience in performance tuning. • Track record of designing and building systems for high throughput and low latency. • Hands-on experience with agentic AI development: LLM integration, prompt engineering, and SDLC automation. • Solid understanding of middleware and messaging technologies such as Chronicle Queue, RabbitMQ, Aeron, and Kafka. • Working knowledge of Spring or Micronaut, Docker, and Kubernetes. • Deep knowledge of testing methodologies, SDLC practices, and CI/CD pipelines. • Ownership of the components the Exchange depends on. Nice to Haves • Experience working on core trading functionality such as order matching and orderbook generation. • Familiarity with financial derivative products (Options, Futures), the FIX protocol, and related workflows. • 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.