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Senior Software Engineer Full-Stack Cross-Asset Trading Systems
Job Location:
Monthly Salary:
Posted:
21 August 2026 (Yesterday)
Posted:
Application Deadline:
18 November 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Senior Software Engineer - Full-Stack / Cross-Asset Trading Systems
Location
London
Business Area
Engineering and CTO
Ref #
Description & Requirements
Join the Pioneers of Trading Technology:
Imagine working on a team thats revolutionising the way financial markets operate with trillions of dollars traded on your systems every day.
The Cross-Asset Trading System (CATS) Blotter is a powerful platform that provides a consistent base for Bloomberg trading applications. We provide infrastructure frameworks and the frontend used at the core of some of the most demanding trading applications at Bloomberg.
Youll be building a scalable reliable high volume platform and solving some of the toughest problems in software with industry experts.
What we do
We design and build a reusable business-agnostic platform that takes care of the fundamental use cases common to many trading CATS performance is critical and extensible architectural design is key so by joining our team youll face interesting technical challenges alongside your strong team of colleagues who value quality above all.
As a Senior Software Engineer in CATS youll be part of a full-stack platform team thats pushing the boundaries of whats possible with TypeScript Redux and React as well as our Data Publishing Pipelines and backend services and getting the most out of the Bloomberg Terminal infrastructure. Our mission is to super-charge and unify the trading system worlds to reimagine how powerful trading systems are built at Bloomberg.
Who we are
We are a friendly collaborative team who care about what we do and working to improve ourselves and our systems every day. The onboarding experience is a priority for us: we have extensive onboarding documentation and videos and you will be assigned a dedicated mentor who will support you from day one. We are a global team with members in both London and New York.
Be part of something big
Impact
- Lead critical projects that shape the future of trading technology in over 15 trading applications and >50k high value clients.
- Expand your reach by collaborating with product managers and engineering teams across Bloomberg who use or onboard onto the platform while gaining expertise of the trading ecosystem.
- Have a say in the software architecture and future direction of both CATS and the trading systems we support.
Technical challenges
- Use and expand your software architecture skills: youll design and build re-usable business-agnostic software.
- Write code that will stand the test of time and inform top decision makers. These complex systems showcase and interact with large volumes of data at high speed.
- Develop and deploy both frontend and backend systems with challenges ranging from complex state management client-side Terminal integration and data subscription pipelines that support numerous trading instruments.
Collaborative team culture
- We love to learn together. We encourage collaboration pair programming and working on projects and technical designs as a team.
- We encourage involvement in Guilds meetups training communities and exploring all the learning opportunities that Bloomberg provides.
- We support side projects -- decide what matters to you and make a difference.
- Want to lead projects We have many opportunities to take on a challenge and carve out a niche for yourself.
Well trust you to
- Write rock-solid code across the stack including occasional inner-source contributions to enhance the infrastructure we use or to support our platform users.
- Take pride in your work and show ownership over its outcomes and consequences.
- Work with your colleagues within the team in other Engineering teams and in Product. You will flesh out requirements design and build new features and release them to users while keeping the system as stable as ever.
- Drive the incorporation of new technologies and improve development practices.
- Mentor others and encourage knowledge sharing in order to drive the growth of the team.
Youll need to have
- 3 years of professional software engineering experience.
- Experience in modern programming languages with the desire to become a JavaScript/TypeScript expert.
- Prior experience in JS/TS is not required but would be a plus.
- A strong software engineering mindset especially in the quality and correctness of your work.
- Good communication skills and the ability to explain technical problems to non-technical stakeholders.
- A desire to learn understand and scale existing systems sharing knowledge along the way.
Wed love to see
- Experience developing platforms APIs or plugin architectures
- Familiarity with Redux or React
- Experience leading large projects with multiple stakeholders
- Experience triaging and debugging production problems
- Experience mentoring junior engineers
Discover what makes Bloomberg unique - watch our podcast series for an inside look at our culture values and the people behind our success.
Required Experience:
Senior IC
About Company
Bloomberg is the world's primary distributor of financial data and a top news provider of the 21st century. A global information and technology company, we use our dynamic network of data, ideas and analysis to solve difficult problems every day. Our customers around the world rely on ... View more
