Job Description

Date live:

27/06/2025

Business Area:

Cross Markets

Area of Expertise:

Markets

Contract:

Permanent

Reference Code:

JR-0000059784

A role in Markets involves trading financial instruments, such as bonds, stocks, and derivatives. You'll also arrange capital raisings, manage debt and equity issuances, and structure, execute, and syndicate transactions for clients.

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Join the Barclays Global Markets team in London as an AI/ML Modeller and where you'll play a crucial role in building a new AI/ML capability and we're doing it with start-up energy: lean, collaborative, and relentlessly focused on impact. We're looking for technically exceptional, intellectually curious individuals who thrive on solving complex problems with elegant, practical solutions. You'll help shape a greenfield function, designing and deploying models that drive innovation across trading and distribution. You'll be assessed on your ability to think strategically, manage risk, and deliver high-quality, scalable solutions. But above all, we value curiosity, creativity, and a willingness to challenge the status quo. You will be responsible to build and productionize Machine Learning models across asset classes, apply advanced techniques in Machine Learning, statistics, and applied mathematics using Python (PyTorch or similar) and work hands-on with cloud platforms like AWS SageMaker to scale solutions fast.

Essential Skills:

Master's degree in a Science, Technology, Engineering and Mathematics (STEM) field (PhD preferred).

A proven record of a strong foundation in Machine Learning, data science, and software engineering.

Demonstrated success and passion for crafting solutions that are both technically rigorous and operationally effective.

Champions a collaborative mindset and a drive to learn, iterate, and improve.

Publications or open-source contributions? Even better--we value original thinking.

Desirable Skills:

Experience in quant trading (especially eFX) or alpha research.

Natural Language Processing (NLP) and Large Language Models (LLM) expertise.

Familiarity with vector databases, SQL/NoSQL, and Amazon Bedrock.



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 technology, as well as job-specific technical skills.



This role is based in our London Location.



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.



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Reasonable adjustment

Our purpose

Equal opportunities

Right to work statement

This is Barclays London



Our global HQ is in Canary Wharf, at the heart of London's financial district. There are over 10,000 colleagues here - a hugely diverse workforce made up of the world's best financial and tech talent. If you love the buzz of city life, this is the place to be.



Supporting active commuters

Time to connect

Wellbeing in focus

Advanced trading floors

Be you. Be valued. Belong.



We celebrate the unique perspectives and experiences each individual brings, believing our differences make us stronger and drive success.



You can learn more about our commitment to our colleague on our Inclusion and Opportunities page.



Learn more

Application Process

Your application



We'll ask for information about you, your CV and cover letter.



1

Your assessment



Covering your behaviours and ability at work.



2

Your interview



Exploring your past experiences and skills.



3

Next step



We'll request additional information so that you can complete our screening process



4



Working flexibly



We're committed to providing a supportive and inclusive culture and environment for you to work in. This environment recognises and supports your personal needs, alongside the professional needs of our business. If you'd like to explore flexible working arrangements, please discuss this with the hiring manager. Your request will be reviewed in-line with the requirements of the role/business needs of the team.



Hybrid working



We have a structured approach to hybrid working, where colleagues work at an onsite location on fixed, 'anchor', days, as set by the business area. Please discuss the working pattern requirements for the role you are applying for with the hiring manager. Please note that working arrangements may be subject to change on reasonable notice to ensure we meet the needs of our business.



Barclays is built on an international scale.



Our geographic reach, our wide variety of functions, businesses, roles and locations reflect the rich diversity of our worldwide customer base. All of which means we offer incredible variety, depth and breadth of experience.

And the chance to learn from a globally diverse mix of colleagues, including some of the very best minds in banking, finance, technology and business. Throughout, we'll encourage you to embrace mobility, exploring every part of our operations as you build your career.