Job Description

Date live:

27/06/2025

Business Area:

Cross Markets

Area of Expertise:

Markets

Contract:

Permanent

Reference Code:

JR-0000060841

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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This is an exciting opportunity to join the Barclays team in London as a seasoned AI/ML Modeller. We are looking to build a new AI/ML capability within Global Markets and we're doing it with start-up energy: lean, collaborative, and relentlessly focused on impact. We are looking for technically exceptional, intellectually curious individuals who thrive on solving complex problems with elegant, practical solutions. You will help shape a greenfield function, designing and deploying models that drive innovation across trading and distribution. You will 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.

Responsible for mentoring team members, linking up with key stakeholders, managing projects, and spearheading R&D 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.



Vice President Expectations



To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures.

If managing a team, they define jobs and responsibilities, planning for the department's future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements.

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 be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions.

Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment.

Manage and mitigate risks through assessment, in support of the control and governance agenda.

Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does.

Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business.

Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies.

Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions.

Adopt and include the outcomes of extensive research in problem solving processes.

Seek out, build and maintain trusting relationships and partnerships with internal and external stakeholders in order to accomplish key business objectives, using influencing and negotiating skills 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.