Senior Developer - QIS Technology

Date live: 24/06/2026

Business Area: Markets Pre Trade

Area of Expertise: Technology

Contract: Permanent

Reference Code: JR-0000092471

Join us as a Senior QIS Developer where you'll be working on building Barclays' QIS (Quantitative Investment Strategies) product. As a Senior QIS Developer, you will play a key role in building and enhancing Barclays’ QIS (Quantitative Investment Strategies) platform. You will be responsible for delivering high-quality data solutions and supporting the development of new investment strategies.

This is a highly business-facing role, requiring strong communication skills and the ability to manage stakeholder expectations effectively. You will work in a fast-paced environment, balancing day-to-day delivery with strategic initiatives, and demonstrating strong engineering capability and the ability to multitask.

To be successful in this role, you should have:

Strong expertise in KDB+/q

Hands-on experience with tick data plant architectures across Equities, Equity Derivatives, and Commodity Derivatives

Experience working with market data platforms such as DataScope

Highly desirable skills include:

Understanding of the QIS business and how market data supports index development and backtesting

Experience working closely with trading and structuring teams, with the ability to translate business requirements into technical solutions

Knowledge of Python

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.

This role will be based out of our London Canary Wharf Office.

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.

Vice President Expectations

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.