Global Markets - Rates Quantitative Developer

Embark on your journey as a Quantitative Developer here at Barclays. Are you passionate about developing complex, high‑performance systems in modern C++, and ready to make an impact as part of our Global Markets Rates Quantitative Analytics team?  As part of this team, you will contribute to the development of the architecture and quantitative frameworks that support analytics across a range of businesses.  This work is vital to driving levels of standardisation and performance across our functions. You will gain broad exposure across the business lines as you develop and support our core C++ analytics libraries, which are used by both product and technology teams. Our global team collaborates closely with traders, risk managers, and technologists to deliver top‑tier quantitative solutions.

To be successful as a Rates Quant Developer, you should have:

• A master’s degree or equivalent in Financial/Applied Mathematics, Physics, Engineering
• Excellent modern C++ programming skills (minimum C++17, C++20 preferred)
• A solid quantitative foundation, with experience developing or maintaining numerical components
• Understanding of core linear interest‑rate products (swaps, futures, FRAs)
• Excellent communication skills, with the ability to explain technical concepts clearly

Other skills that will help in role:

• Knowledge of interest-rate curve construction techniques.
• Experience with vanilla or exotic IR products (swaptions, caps/floors, Bermudans).
• Exposure to high‑performance computing techniques (SIMD, AAD, efficient memory layout).
• Python experience helpful for tooling and analysis
• Self-sufficient, pro-active, and willing to take on tasks of all sizes with the ability to collaborate with other teams and stakeholders on a solution focussed approach to development.

You may be assessed on the key critical skills relevant for this role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.

This role is based in London.

Purpose of the role

To provide quantitative and analytical expertise to support trading strategies, risk management, and decision-making within the investment banking domain, applying quantitative analysis, mathematical modelling, and technology to optimise trading and investment opportunities. 

Accountabilities

• Development and implementation of quantitative models and strategies to derive insight into market trends and optimize trading decisions, pricing, and risk management across various financial products and markets.
• Working closely with sales teams to identify clients' needs and develop customised solutions.
• In-depth research, data analysis, and statistical modelling to derive insights into market trends, pricing, and risk dynamics.
• Provide front office infrastructure support though ownership and maintenance of analytical libraries.
• Provision of expertise on quantitative methodologies, technological advancements, and industry best practices to drive innovation within the trading environment.

Assistant Vice President Expectations

• To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
• Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
• OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
• Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
• Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
• Take ownership for managing risk and strengthening controls in relation to the work done.
• Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
• Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
• Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
• Influence or convince stakeholders to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.