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Barclays Logo Barclays · IT - Software Development

Principal Engineer - Mobile

United Kingdom, Glasgow · Job Posted July 13, 2026
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Job Description

We are shaping the future of financial technology. Owning the engineering direction across Corporate Mobile and identity platforms. You will lead engineering across native mobile applications for UK and international corporate banking clients, alongside customer identity capabilities including authentication, enrolment, and digital signing. Engineering mobile authentication and signing journeys for corporate banking customers. You will design and evolve how corporate clients authenticate and approve actions on mobile, ensuring solutions meet security, regulatory, and usability requirements across markets. Leading architectural and engineering decision-making at platform level. Working within a regulated corporate banking environment. Providing hands-on delivery leadership. Leading a customer identity (CIAM) migration alongside an established Corporate Mobile platform. Setting engineering standards and ways of working. Working closely with product, security, and senior stakeholders.

Job Responsibility

  • Owning the engineering direction across Corporate Mobile and identity platforms
  • Engineering mobile authentication and signing journeys for corporate banking customers
  • Leading architectural and engineering decision-making at platform level
  • Working within a regulated corporate banking environment
  • Providing hands-on delivery leadership
  • Leading a customer identity (CIAM) migration alongside an established Corporate Mobile platform
  • Setting engineering standards and ways of working
  • Working closely with product, security, and senior stakeholders

Requirements

  • Leading engineering across native mobile applications for UK and international corporate banking clients
  • Designing and evolving how corporate clients authenticate and approve actions on mobile
  • Making clear architectural and engineering decisions when trade-offs arise
  • Delivering solutions that meet regulatory and security expectations such as PSD2, Strong Customer Authentication, GDPR, and audit requirements across jurisdictions
  • Supporting delivery teams by unblocking technical issues and guiding complex implementations
  • Guiding the transition to modern identity capabilities
  • Defining and upholding engineering principles, patterns, and quality standards
  • Translating complex mobile and identity topics into clear options and recommendations

What we offer

  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
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