Principal Engineer - Mobile

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role.

• 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 You will make clear architectural and engineering decisions when trade‑offs arise, ensuring consistency, scalability, and long‑term maintainability across mobile and identity platforms.
• Working within a regulated corporate banking environment You will deliver solutions that meet regulatory and security expectations such as PSD2, Strong Customer Authentication, GDPR, and audit requirements across jurisdictions.
• Providing hands‑on delivery leadership You will support delivery teams by unblocking technical issues, guiding complex implementations, and ensuring engineering work progresses predictably from requirements through to testing and release.
• Leading a customer identity (CIAM) migration alongside an established Corporate Mobile platform You will guide the transition to modern identity capabilities while continuing to strengthen and evolve a high‑scale mobile platform used by corporate banking clients.
• Setting engineering standards and ways of working You will define and uphold engineering principles, patterns, and quality standards across Corporate Mobile and identity, shaping how teams build, test, and operate software.
• Working closely with product, security, and senior stakeholders You will translate complex mobile and identity topics into clear options and recommendations, aligning engineering priorities with business and client outcomes.

To drive technical excellence and innovation by leading the design and implementation of robust software solutions, providing mentorship to engineering teams, fostering cross‑functional collaboration, and contributing to strategic planning to ensure the delivery of high‑quality solutions aligned with business objectives.

• Provision of guidance and expertise to engineering teams to ensure alignment with best practices and foster a culture of technical excellence.
• Contribution to strategic planning by aligning technical decisions with business goals, anticipating future technology trends, and providing insights to optimize product roadmaps.
• Design and implementation of complex, scalable, and maintainable software solutions, considering long‑term viability and business objectives.
• Mentoring and coaching junior and mid‑level engineers to foster professional growth and knowledge sharing, elevating the overall skillset and capabilities of the organization.
• 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.
• Innovation within the organization by identifying and incorporating new technologies, methodologies, and industry practices into the engineering process.

• 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…