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Barclays

React Native Software Engineer

Posted 9 Days Ago
Be an Early Applicant
In-Office
London, England
Senior level
In-Office
London, England
Senior level
Design, develop, and improve mobile software solutions using React Native and iOS, ensuring performance, security, and collaboration with teams.
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Job Description

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.

We are seeking an experienced React Native Software Engineer with strong React Native and iOS expertise to join the Product Hub within Digital Channels. In this role, you will design and deliver high‑quality mobile experiences, developing intuitive, performant, and secure customer interfaces while contributing to broader frontend engineering across the platform. You’ll work closely with product, UX and engineering teams to shape mobile features end‑to‑end, integrate with backend services, and uphold Barclays’ engineering and delivery standards within a dynamic and collaborative environment.

To be successful in this role, you should have experience in:

  • Cross Platform Mobile Engineering – Proficiency in React Native (components, hooks, navigation) and Native iOS (Swift, UIKit/SwiftUI) for production-grade mobile applications.
  • Secure API Integration – Implementing secure API consumption, certificate pinning, Keychain storage, and ensuring compliance with enterprise security controls.
  • Mobile Delivery Lifecycle – Experience with app building, signing, TestFlight deployment, release management, and proficiency with debugging and performance tools.

Some other highly valued skills include:

  • Mobile DevOps – Experience with GitLab/Jenkins pipelines, automated testing, and maintaining reliable release cycles.
  • Advanced Architecture – Expertise in state management (Redux/MobX/Recoil), architectural patterns, and performance optimization techniques.
  • Backend Integration – Ability to consume microservices (REST/GraphQL), work with event-driven backends, and collaborate effectively with platform engineering teams.

You may be assessed on key critical skills relevant for success in role, such as risk and controls, communication skills and interaction with a diverse range of stakeholders, as well as job-specific technical skills.

This role is based in our Eagle Labs in London.

Top Skills

APIs
Gitlab
GraphQL
iOS
Jenkins
Mobx
React Native
Recoil
Redux
Rest
Swift
Swiftui
Uikit
HQ

Barclays London, England Office

1 Churchill Place, Poplar, London, United Kingdom, E14 5HP

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