At a Glance
- Tasks: Design and deliver high-performance Java code for a global trading platform.
- Company: Bullish, a leading digital asset platform focused on institutional trading.
- Benefits: Competitive salary, diverse culture, and opportunities for professional growth.
- Other info: Be part of a dynamic team committed to excellence and innovation.
- Why this job: Join a team shaping the future of digital trading with cutting-edge technology.
- Qualifications: Strong Java skills and experience in high-throughput system design.
The predicted salary is between 70000 - 90000 € per year.
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.
Senior Engineer, Trading Product Engineering in London employer: Bullish
Bullish is an exceptional employer for those seeking to make a significant impact in the digital asset industry. With a commitment to technical excellence and a culture that values collaboration and innovation, employees are empowered to take ownership of their work while benefiting from opportunities for professional growth in a globally diverse environment. Located in key financial hubs, Bullish offers a dynamic workplace where engineers can thrive on complex challenges and contribute to cutting-edge solutions in a rapidly evolving market.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Engineer, Trading Product Engineering in London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, especially those at Bullish. A friendly chat can open doors that applications alone can't.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio or GitHub with projects related to trading systems or Java, make sure to highlight them during interviews. It’s all about demonstrating what you can bring to the table.
✨Tip Number 3
Prepare for technical challenges! Brush up on your Java and system design skills. Be ready to tackle real-world problems that Bullish faces, as they love candidates who can think on their feet.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the Bullish team.
We think you need these skills to ace Senior Engineer, Trading Product Engineering in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Engineer role. Highlight your Java experience and any relevant projects that showcase your skills in performance tuning and low-latency systems. We want to see how your background aligns with what we do at Bullish!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about digital assets and how your experience can contribute to our mission. Be sure to mention specific technologies or methodologies you’ve worked with that relate to our needs.
Showcase Problem-Solving Skills:In your application, don’t just list your skills—show us how you've used them to solve complex problems. We love candidates who can demonstrate their thought process and how they tackle challenges, especially in high-pressure environments like trading.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about Bullish and our culture!
How to prepare for a job interview at Bullish
✨Know Your Java Inside Out
Make sure you brush up on your Java skills, especially version 17 and above. Be prepared to discuss performance tuning and how you've designed systems for high throughput and low latency. They’ll want to see that you can not only write code but also optimise it for real-world trading scenarios.
✨Understand the Trading Landscape
Familiarise yourself with core trading functionalities like order matching and order book generation. If you have experience with financial derivatives such as options and futures, be ready to share specific examples of how you've worked with these products in past roles.
✨Showcase Your Problem-Solving Skills
Be prepared to tackle complex technical challenges during the interview. Think of examples where you've resolved performance bottlenecks or improved system stability through automated testing. They’re looking for engineers who thrive in ambiguity and can bring structure to complex problems.
✨Collaborate Like a Pro
Since you'll be working with a distributed team, highlight your collaboration skills. Share experiences where you’ve worked closely with product managers and project managers to deliver successful projects. They value teamwork and communication just as much as technical expertise.
