Junior Quantitative Developer- London

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Junior Quantitative Developer- London

About The Role

FDM is a global business and technology consultancy seeking a Junior Quantitative Developer to work for our client within the financial services sector. This is initially a 12‑month contract with strong potential to extend and will be a hybrid role based in London.

Our client is seeking a Junior Quantitative Developer to work on an award‑winning quantitative library and risk platform, supporting the development of new features and enhancements. You will work across an established codebase while also contributing to the build‑out of new cloud‑native services as the platform transitions towards a SaaS model, partnering closely with quantitative researchers in a high‑impact finance environment.

Responsibilities:

Design, implement, test and debug new and existing features for our toolkit and RMS products
Design and architect new components and services
Maintain robust performance and regression test suites, and assist quantitative researchers with implementing features and enhancing performance
Work with our professional services organization to assist in client engagement and adoption
Work with peers in across our engineering hubs (London, New York City, and Sydney)

About You

Professional experience programming in a strongly typed programming language such as C#, Java, C++, Go, or Rust
Working knowledge of producing quantitative applications targeting at least one major asset class (e.g. Credit, Rates, FX, Equities, Commodities, etc.)
Degree in a STEM discipline or equivalent experience gained another way
Fluency in spoken and written English

Desirable:

Professional experience programming in Python
Knowledge of at least one Cloud Service Provider and familiarity with cloud native development technologies, architectures, and methodologies

About Us

FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK ‘Best Employer’.

Diversity and Inclusion

FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.

Why join us

Career coaching, mentoring and access to upskilling throughout your entire FDM career
Assignments with global companies and opportunities to work abroad
Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
Annual leave and work-place pension

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