Director - Equity Derivatives and Hybrids Quant Modeler

London, United Kingdom

Apply for job

Date live: 16/01/2026

Business Area: Cross Markets

Area of Expertise: Markets

Reference Code: JR-0000084161

Contract: Permanent

Where will you be located?

Take a look at the map to see what’s nearby. Train stations & bus stops, gyms, restaurants and more.

Explore location

Essential skills:

PhD or master’s degree in financial mathematics, Mathematics or Physics.
Prior experience developing and/or implementing Equity Derivatives models and hybrids (ideally). Strong knowledge of exotics models for other asset classes can also be considered.
Provide expert advice to senior stakeholders on modelling topics, anticipating issues and weighing advantages and disadvantages of choices leading to models’ assumptions and limitations.
Solid modelling skills (Python essential and optionally C++).

Desirable skills:

Exceptional precision and attention to detail
Excellent oral and written communication skills
Demonstrate best in class professional integrity

Join us in the role of Equity Derivatives and Hybrids Quant Modeler (Model Integrity and Control), where you will be responsible for presenting 1st line challenge to current models and assess impacts of models assumptions and limitations. In this role you will focus on model assessment, increasing testing coverage, automation, and steer governance for Equity Derivatives models, with an emphasis on collaboration with quant developers, validators, and key stakeholders across the model lifecycle.

Purpose of the role

Provide an effective challenge to models by assessing the impact of their assumptions and limitations, focusing on the accuracy and robustness of the models. Explore alternative approaches to mitigate these limitations and evolve trading, risk management platforms.

Accountabilities

Review models and documentation to provide guidance on their design. Implement, run and analyse performance tests using production C++ libraries and Python, while writing high-quality documentation and automating tasks.
Collaboration with traders, strategists, and stakeholders to gather requirements and translate them into scalable and efficient technological solutions.
Implementation of new features, enhancements, and functionalities on trading platforms to improve performance, reliability, and user experience.
Stay updated on technological advancements, industry trends, and best practices to drive innovation and continuous improvement in trading platforms.
Collaboration with cross-functional teams including business aligned SM&D teams, strats, compliance, and IT to address system issues and implement solutions.

Director Expectations

To manage a business function, providing significant input to function wide strategic initiatives. Contribute to and influence policy and procedures for the function and plan, manage and consult on multiple complex and critical strategic projects, which may be business wide..
They manage the direction of a large team or sub-function, leading other people managers and embedding a performance culture aligned to the values of the business. Or for an individual contributor, they lead organisation wide projects and act as deep technical expert and thought leader, identifying new ways of working and collaborating cross functionally. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions..
Provide expert advice to senior functional management and committees to influence decisions made outside of own function, offering significant input to function wide strategic initiatives.
Manage, coordinate and enable resourcing, budgeting and policy creation for a significant sub-function.
Escalates breaches of policies / procedure appropriately.
Foster and guide compliance, ensure regulations are observed that relevant processes in place to facilitate adherence.
Focus on the external environment, regulators, or advocacy groups to both monitor and influence on behalf of Barclays, when appropriate.
Demonstrate extensive knowledge of how the function integrates with the business division / Group to achieve the overall business objectives.
Maintain broad and comprehensive knowledge of industry theories and practices within own discipline alongside up-to-date relevant sector / functional knowledge, and insight into external market developments / initiatives.
Use interpretative thinking and advanced analytical skills to solve problems and design solutions in often complex/ sensitive situations.
Exercise management authority to make significant decisions and certain strategic decisions or recommendations within own area.
Negotiate with and influence stakeholders at a senior level both internally and externally.
Act as principal contact point for key clients and counterparts in other functions/ businesses divisions.
Mandated as a spokesperson for the function and business division.

All Senior 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.

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.

More about working at Barclays

Barclays offices across the UK are designed to be places where our people can come together to do their best work, surrounded by excellent facilities for both work and leisure. These are warm, diverse, supportive communities in some of the UK’s best locations, where everyone can thrive.

Our approach to hybrid working ensures there’s the right balance of working alongside colleagues at our onsite locations, as required for each role. For business areas that offer a hybrid working experience, this will be in a structured way, where colleagues work at an onsite location on fixed, ‘anchor’, days of the week. Some roles may require full onsite working. Please discuss the working pattern requirements for the role you are applying for with the hiring manager.

We continue to embed and review our hybrid working environment and remain in a phase of testing and learning. This means that working arrangements could change, with reasonable notice, to align with the needs of our business.

Barclays welcomes applications from all candidates and is committed to ensuring reasonable adjustments (accommodations) are put in place to allow for a fair and inclusive recruitment process. For more information and how to request one, please review Adjustments to the recruitment process.

We’re committed to providing an inclusive culture and environment, that recognises and supports ways to balance your personal needs, alongside the professional needs of our business. Providing the opportunity for all our employees globally to work flexibly empowers each of us to work in a way that suits our lives, as well as enabling us to better service our customers’ and clients’ needs.

Our approach to working flexibly is designed to support you to balance your life and to accommodate diverse needs, whilst still allowing us to meet our business needs. If you’d like to request a flexible working arrangement, please discuss this with your hiring manager.

We're committed to providing a supportive and simplified experience for our candidates throughout the application and assessment process. Here, you will find information about what to expect and some guidance around your assessment and interview.

While the application process depends on the role, there are some constant steps, which are;

Step 1 - Your application
Step 2 - Your assessment
Step 3 - Your interview
Step 4 - Next steps

We aim to create an inclusive work environment where everyone can reach their full potential. If you require any adjustments to our recruitment process, please click here to learn more.

Find out more information here.

Barclays offers a diverse, inclusive and engaged culture. A place where people can bring their whole selves to work and be respected for who they are, valued for what they do and celebrated for their contribution to our business and our community.
We are an equal opportunity employer and opposed to discrimination on any grounds. It is the policy of Barclays to ensure equal employment opportunity without discrimination or harassment on the basis of race, colour, creed, religion, national origin, alienage or citizenship status, age, sex, sexual orientation, gender identity or expression, marital or domestic/civil partnership status, disability, veteran status, genetic information, or any other basis protected by law.

Barclays is required by law to confirm that you have the Legal Right to Work in any role that you apply for. If you currently hold a work visa sponsored by Barclays, or you would require sponsorship from Barclays, you must declare this as part of your application. Sponsored visas are role and entity specific and any changes must be reviewed. It is important that you ensure you are working on the correct visa at all times. Failure to accurately disclose your visa status or Legal Right to Work may result in your application or any employment offer being withdrawn at any time.

The Barclays Way

This is the spirit of Barclays. It’s why we exist, what we believe and how we behave. But most importantly, it’s how we make decisions, take action and get things done.

Learn more