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Bloomberg

Senior Software Engineer - Fixed Income & Derivatives (Functional Programming)

On site

London, United kingdom

Senior

Full Time

21-02-2026

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Skills

Teamwork Leadership Problem-solving Training Motivation Architecture Programming Analytics Mathematics

Job Specifications

Location

London

Business Area

Engineering and CTO

Ref #

10048297

Description & Requirements

As a financial data, news, and analytics market leader, Bloomberg continuously invests in its technology to keep delivering the best data and analytics to support the global derivatives market. Every day, trillions of dollars pass through the Bloomberg Terminal. Bloomberg’s Derivatives Engineering team is responsible for owning the full life-cycle of services and applications for pricing derivatives. We build systems and products that enable clients to generate trade ideas, structure deals, connect to electronic trading platforms and capture market movements.

We sit at the intersection of finance and technology, working directly with product managers, financial engineers, and quantitative analysts to understand client and market needs. These foundational systems get billions of hits per day and provide data and analytics to many of Bloomberg’s flagship products.

We provide value to Bloomberg internal & external customers by delivering systems that enable structuring, pricing, and analytics for derivative financial products. We take pride in solving a wide variety of challenges associated with pricing derivatives including creating efficient market data management pipelines, integrating state of the art mathematical pricing models, designing rich APIs and user interfaces and solving complex distributed systems challenges.

What’s in it for you?

Be part of a passionate, growing community of talented software engineers
Gain experience applying functional programming to real production financial systems
Use OCaml to develop applications for instrument definition, payoff scripting and derivatives life-cycling
The opportunity to learn some of the financial domain that's at the core of the extensive functionality we design and develop, including an extensive training offering
Attend in-house training courses designed by technology experts, participate in or speak at conferences, build your network by collaborating with leaders in a wide variety of technical fields and make an impact by participating in Bloomberg’s Engineering Guilds
Help to shape the strategy and experience of OCaml developers by contributing to the wider Bloomberg community

We'll Trust You To

Employ functional programming in building new cutting-edge systems and improving existing ones wherever possible
Work hand-in-hand with industry-expert product owners, financial engineers and quantitative researchers to build applications and frameworks
Take leadership of technical solutions, implementation and rollout to users
Use industry best practices for testing, automation, continuous integration and continuous deployment
Champion new technologies, advocate for the latest developments and best practices in the open source community, challenge the status quo and inspire others to improve their craft.
Represent Bloomberg in conferences and the wider functional programming community
Embrace teamwork and peer review of designs and code

We’d Love To See

A Degree in Computer Science, Engineering, Mathematics, similar field of study or equivalent work experience
An understanding of the benefits of composition, search for sum types in any language you write and dearly miss pattern matching where you don't have it
Prior contributions to system design and architecture and scaling fault-tolerant, distributed systems
Honest approach to problem-solving, and ability to collaborate with peers, stakeholders and management
Experience working with a typed functional programming language or strong motivation to learn
An interest in sharing knowledge and mentoring other team members

Discover what makes Bloomberg unique - watch our for an inside look at our culture, values, and the people behind our success.

About the Company

Bloomberg is a global leader in business and financial information, delivering trusted data, news, and insights that bring transparency, efficiency, and fairness to markets. The company helps connect influential communities across the global financial ecosystem via reliable technology solutions that enable our customers to make more informed decisions and foster better collaboration. Know more