Lead Engineer, Risk Technology

Bullish

Bullish

IT
Hong Kong
Posted on Sep 22, 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

We are seeking a highly skilled and experienced Java Developer to join our team and contribute to the development and enhancement of our risk management platform. As a team member, you will be responsible for designing, developing, and maintaining robust and scalable software solutions that enable efficient risk assessment and management for our organization's derivatives trading products. You will work closely with cross-functional teams, including risk management professionals and quantitative analysts, to understand business requirements and translate them into reliable and high-performance software systems.

Role & Responsibilities:

  • Design, develop, test, and deploy high-quality and performant software solutions using Java and related technologies

  • Optimize and refactor existing codebase to improve performance and maintainability.

  • Help maintain code quality, organization, and automation.

  • Collaborate with cross-functional teams to troubleshoot and resolve technical issues

  • Conduct code reviews and provide constructive feedback

  • Work closely with quants and product team

Experience & Qualifications:

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

  • Strong proficiency in Java programming language

  • Experience writing low-GC / no-GC Java applications.

  • Hands-on experience on Java Frameworks such as Spring/Micronaut.

  • Hands-on experience on automated testing

  • Good financial product expertise especially in products like portfolio margin and derivative risk calculation

  • Good with mathematics

  • Good hands on git (github), Docker, Kubernetes, JIRA, Confluence.

  • Understanding of different risk models (Monte Carlo, SPAN, VAR)

  • Understanding of back testing and stress testing

  • Computer Science or related degree

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.