Engineer, Engineering

Bullish

Bullish

Hong Kong
Posted on Sep 2, 2025

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:

Director, Engineering

Role & Responsibilities:

  • Design, build, and maintain high performance and low latency systems at the core of the exchange.

  • Build and architect the infrastructure and the services required for optimal extraction, transformation, ingestion and fan out of the data in and from the exchange.

  • Continuously identify cost optimisations and functional/non-functional issues through test automation, and performance profiling.

  • Understand the business logic and the end to end data workflows across the business. This includes but not limited to regulatory requirements in terms of performance and system guarantees.

  • Work in close coordination with upstream and downstream system engineering teams, product teams, and business teams.

  • Maintain code quality, organization, and best practices.

  • Work as part of a Global (Hong Kong, Singapore, USA) team.

Experience & Qualifications:

  • Computer Science or related degree with 10+ years of experience, preferably in the fintech sector.

  • High expertise of the Java language, including but not limited to high performance, low latency, 0 garbage techniques and concurrency.

  • Hands-on experience with middleware such as Chronicle Queue, Aeron and Kafka.

  • Well versed in data structures and their real world applications.

  • Solid and opinionated knowledge of testing methodologies.

  • Solid and opinionated knowledge of coding principles and coding standards.

  • Well versed with standard SDLC practices and tooling around build, test, deploy etc.

  • Hands on with a strong sense of ownership and drive.

  • Ability to operate and thrive in a dynamic startup environment.

  • Passionate about knowledge sharing and mentoring.

  • Eligibility to work in Hong Kong.

Bonus Experience:

  • Hands-on experience working with cloud technologies.

  • Familiarity with REST API, Kubernetes, Istio and Docker.

  • Financial domain knowledge in particular - market making, market data, sequenced architectures

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.