KDB and Python Developer

Embark on a transformative journey with Barclays as a KDB Developer, helping redefine the future of banking through innovative, high-impact solutions. This role offers a unique opportunity to work on critical Credit Algo trading infrastructure, driving improvements that enhance scalability for sales and trading teams, increase system stability, and free up RAD developers to focus on business-facing initiatives. You’ll collaborate closely with the KDB Core team to modernise, simplify, and standardise the KDB stack. As KDB+ is a central pillar of our data strategy, you’ll engage regularly with senior stakeholders and gain exposure to one of the largest KDB estates in the industry—offering valuable insight into advanced design patterns and large-scale implementations. This position also presents exciting opportunities to work on next-generation technologies as we evolve toward containerisation and cloud-native architectures. Key initiatives include exploring PyKX, Databricks, and Snowflake integration with KX.

To be successful as a KDB Developer you should have experience with:

•              Extensive experience with KDB+/Q, including tick architecture, CEP development, data simulation, and database design

•              Strong Python engineering skills, including building services, data tooling (ideally with PyKX), automation, and integration with KDB environments

•              Expertise in low-latency systems and optimising queries for large-scale time-series data

•              Experience within front-office or electronic trading systems

•              Solid understanding of Agile and SDLC practices, with hands-on experience in tools such as Maven, Java, Git, TeamCity, Jira, and Confluence

Highly valued additional skills:

•              Academic background in fields such as Computer Science, Mathematics, Physics, or Engineering

•              Experience  delivering the full development lifecycle of at least one large-scale commercial system, ideally with significant contributions to distributed KDB+ platforms

This role is regulated by the Monetary Authority of Singapore (MAS).

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.

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. 

Accountabilities

• Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
• Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
• Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
• Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

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.