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KDB Developer

London, United Kingdom

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Date live: 03/03/2025

Business Area: Cross Markets

Area of Expertise: Markets

Contract: Permanent

Reference Code: JR-0000036913

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Barclays Markets

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 us as a KDB developer to create and maintain KDB business facing functionality and infrastructure used for research, analytics in the credit business.  The role will require the authoring of APIs and visualization layers for products utilized by the SM&D team and sales and trading teams in our businesses in Markets  , as well as contributing to core components used more widely across the firm. This includes writing and maintaining a high-quality code, working to enhance the optimization framework and also to maintain all the model and feeds that are required for production trading.
The successful candidate is expected to engage in product development, client support and production of high-quality content for client and trader education.

Accountabilities:

  • Provide best in class service to Barclays clients.
  • Working with respective trading desk and technology to ensure implementation of business logic is as designed and fit for purpose. 
  • Build and maintain back testing and simulation framework.
  • Design of frameworks and functionality for the development and delivery of analytics.
  • Implementation, testing, and productionisation.
  • Understanding of existing bank processes.
  • Proactive identification of problems and issues and resolution of them.
  • Provision of required support in timely manner and to high quality.
  • Participation in team peer reviews of code, modelling and testing.
  • Participation in team knowledge sharing and presentations.

Essential skills:

  • Experience with software development and have worked extensively with Q/KDB & Python.
  • Experience with handling and analyzing large tick amounts of tick data.
  • Experience of building production quality infrastructure is essential.
  • Experience with big data analysis & visualization.
  • Good written and verbal communication skills to a wide audience is essential.
  • Experience of e-trading development is desirable.
  • PhD or masters degree in a quantitative, mathematical or scientific discipline is preferred.

Desirable skills/Preferred Qualifications:

  • Knowledge of python and java languages.
  • Understanding of any of rates, credit and FX markets.

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 design, develop, and evolve trading, risk management and other platforms that facilitate trading and regulatory objectives within the investment banking domain. 

Accountabilities

  • Design, development, and maintenance of high-performance trading platforms, risk systems, and applications catering to the needs of traders and market participants.
  • 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.

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.

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 a global, vital and highly respected financial organisation with an inspiring Purpose. Operating in 39 countries and employing around 100,000 people across the world, we help communities, individuals and businesses thrive. And we’ve created financial solutions and technology that the world now takes for granted. A career with us can offer incredible variety, depth and breadth of experience, and the chance to learn from some of the best minds in technology and finance.

To find out more about Barclays' strategy please click 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.

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.

Cycle or run to work? We’ve got everything you need – from cycle hire and parking areas to new showering and changing facilities.

CoSpace is our drop-in co-working space, where networks are built, problems are solved collectively and our community is strengthened.

Our Wellness Suite includes a well-equipped gym and exercise studios, and provides personal training sessions and massage therapy.

Our new trading floors enhance communication, integrate sustainability, and support health and wellbeing through innovative design and British-sourced furniture.

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

Cycle or run to work? We’ve got everything you need – from cycle hire and parking areas to new showering and changing facilities.

Time to connect

CoSpace is our drop-in co-working space, where networks are built, problems are solved collectively and our community is strengthened.

Wellbeing in focus

Our Wellness Suite includes a well-equipped gym and exercise studios, and provides personal training sessions and massage therapy.

Advanced trading floors

Our new trading floors enhance communication, integrate sustainability, and support health and wellbeing through innovative design and British-sourced furniture.

Be you. Be valued. Belong.

We celebrate the unique perspectives and experiences each individual brings, believing our differences make us stronger and drive success. Our colleague networks offer connection, support, and growth, while our "This is Me" series shares the unique stories of our colleagues. Committed to diversity, equity, and inclusion, Barclays values you for who you are and ensures you truly belong.

You can learn more about our commitment to our colleague on our DE&I 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
How to ApplyRead our FAQ's
Barclays

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.

Find more information

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