Senior Engineer, Custody, HK, Custody Engineering

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Hong Kong
Fintech • Financial Services
The future is Bullish
The Role
The Bullish Group has built an ecosystem focused on developing financial services for the digital assets sector through technology and investment businesses. These include: Bullish Exchange - digital asset trading services that utilize central limit order matching and proprietary market making technology to deliver deep liquidity and tight spreads within a compliant framework. The business is licensed by the Hong Kong SFC, German Federal Financial Supervisory Authority (BaFIN), and the Gibraltar Financial Services Commission. Since its launch in November 2021, Bullish Exchange has surpassed US$1.1 trillion in total trading volume, with 2H 2024 volume exceeding US$2 billion per day. Bullish Capital - an investment company which offers strategic capital, industry expertise and an extensive network of resources to support initiatives that connect conventional finance with the revolutionary possibilities of the digital economy. CoinDesk - an award-winning media, events, indices and data business servicing the global crypto economy. 

Reports to:

Lead Engineer, Engineering

You will join the Custody and Payments (CAP) Java Engineering Team. We are a group of Java engineers from a variety of backgrounds specialising in the development of services that implement everything needed to support the custodial requirements of a major crypto exchange undergoing significant growth. We partner closely with our security teams to ensure client funds are secure at all times while they are in our safekeeping. Our main role is to facilitate fund movements in both directions between our clients and the Bullish platform in a safe, secure and regulatory compliant manner. 

The Role

As a strong Java engineer in the team, you will assume ownership of a number of our microservices, built on a modern stack of technologies free of legacy burdens, with the opportunity to contribute to our broader set of services. All under the guidance of our very supportive team members. The role offers unique insights into working with a battle tested private blockchain solution. We are a team that relies on technical excellence demonstrated through easy to read, secure and well-tested code. We are looking for quick learners who are also highly motivated, the individual will need an appreciation for connectivity to a wide range of third-party as well as internal service providers. 

Roles & Responsibilities:

  • Design, build, test and maintain reliable Java backend code.

  • Collaborate closely with product managers, project managers and global engineering teams.

Experience & Qualifications:

  • 5+ years of experience as a Java backend engineer.

  • Experience with Java 17+ features. Candidates must show proficiency in important classes/packages in the JDK especially but not limited to Java Collections and Concurrency.

  • Strong understanding of TDD development approaches, able to write thorough unit and integration tests

  • Hands-on familiarity with popular Java Frameworks such as Spring Boot/Micronaut, JUnit and Mockito.

  • Good communication skills and team player.

  • Hands on git, Docker, Kubernetes, JIRA, Confluence

  • Good knowledge of API design, development and usage incorporating secure patterns.

  • Familiarity with DevOps and CI/CD practices.

Bonus:

  • Crypto experience.

  • Understanding of messaging technologies such as RabbitMQ.

  • Application Network Security

  • Familiarity with Google Cloud Platform.

  • Traditional financial services experience.

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.

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The Company
350 Employees
Year Founded: 2020

What We Do

Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. Bullish services are regulated in the United States, European Union, United Kingdom, Hong Kong, and Gibraltar. 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. 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. For more information, please visit bullish.com and follow LinkedIn and X.

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