Senior Software Engineer - Index Calculation
Bloomberg
Software Engineering
London, UK
Posted on Jul 10, 2025
Passive investment is a fast growing area in finance, and Indices – both benchmark and bespoke – are at the heart of this growth. At Bloomberg we are proud to be a key player in this space, powering some of the most innovative and widely recognized indices across all asset classes. Combining our technology with a comprehensive breadth of trusted data and research our indices have billions of dollars linked to them. You can learn more about our products here. We are looking for an experienced software engineer to join the Calculators team within Index Engineering - the group responsible for the core calculation and analytics logic behind our indices. This role requires gaining a deep understanding of underlying financial concepts and investment strategies, as well as tackling the software engineering challenges of scaling our systems to support the business’s ambitious growth plans.
Our team specializes in the commodity and fixed income asset classes. You’ll contribute to strategically important projects, including our flagship commodity benchmark indices and fixed income strategies targeting growth in the ESG space that use numerical optimization techniques. Our work sits at the intersection of finance and engineering, requiring strong technical skills and an eagerness to engage and partner with our highly knowledgeable business experts.
As one of four calculator teams within the broader Index Engineering group, you’ll join a community of skilled, curious software engineers who care deeply about clean software design, maintainability and craftsmanship. We use agile techniques to partner with business stakeholders - not just to deliver indices but improve and refine index methodologies to produce best-in-class products for our clients.
We'll trust you to:
- Design, build, and maintain high-quality, testable, and scalable software to power - Bloomberg’s index products
- Develop a deep understanding of the financial principles that underpin our indices
- Tackle complex engineering problems alongside a talented, collaborative team
- Partner with our non-engineering business experts to develop best-in-class solutions.
You’ll need to have:
- Strong programming skills in object-oriented programming language (ideally C#)
- A Degree in Computer Science, Engineering, Mathematics, similar field of study or equivalent work experience
- A solid foundation in software design, with an appreciation for clean code and domain-driven design
- A natural curiosity and passion for financial markets and investment strategies
- Strong analytical thinking and problem-solving capabilities
-Excellent communication skills and a collaborative mindset
- Proactive attitude with the ability to work independently and take ownership
We’d love to see:
- Experience building applications with an analytical focus for the finance domain
- A passion for collaboration, learning and mentorship.