Principal Engineer

• Own and shape the end‑to‑end technical architecture of the Payments Platform, ensuring scalability, resilience, and regulatory compliance.
• Act as design authority for complex and high‑risk payments initiatives across multiple squads and domains.
• Define and enforce engineering standards, reference architectures, and non‑functional requirements (availability, latency, throughput, security).
• Lead technical decisions across multi‑rail payments (e.g. real‑time, high‑value, cross‑border) and platform capabilities such as orchestration, clearing, and settlement.
• Embed security, controls, and operational resilience by design, partnering closely with Risk, Cyber, and Controls teams.
• Drive modernisation and platform evolution, reducing technical debt and enabling faster product and client onboarding.
• Provide technical leadership and mentorship to senior engineers, tech leads, and architects across Payments Technology.
• Influence delivery and outcomes without direct line management, acting as a trusted advisor to senior technology and business leaders.
• Ensure high standards of engineering quality, including test strategy, CI/CD, observability, and incident learnings.

To lead and manage engineering teams, providing technical guidance, mentorship, and support to ensure the delivery of high-quality software solutions, driving technical excellence, fostering a culture of innovation, and collaborating with cross-functional teams to align technical decisions with business objectives.

• Lead engineering teams effectively, fostering a collaborative and high-performance culture to achieve project goals and meet organizational objectives.
• Oversee timelines, team allocation, risk management and task prioritization to ensure the successful delivery of solutions within scope, time, and budget.
• Mentor and support team members' professional growth, conduct performance reviews, provide actionable feedback, and identify opportunities for improvement.
• Evaluation and enhancement of engineering processes, tools, and methodologies to increase efficiency, streamline workflows, and optimize team productivity.
• Collaboration with business partners, product managers, designers, and other stakeholders to translate business requirements into technical solutions and ensure a cohesive approach to product development.
• Enforcement of technology standards, facilitate peer reviews, and implement robust testing practices to ensure the delivery of high-quality solutions.

• 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…