Mobile App Developer
We are looking for a Senior Mobile Engineer with strong experience in React Native and Expo, capable of end-to-end mobile development. You’ll help define the technical direction, establish internal capability, and deliver a secure, production-ready mobile banking app across iOS and Android. Prior success publishing apps to the Apple App Store and Google Play Store is essential.
Key Responsibilities
Delivery & Collaboration
Work with the Tech Lead to shape and deliver the mobile MVP
Partner with product, design, and technology leadership to define and deliver core customer journeys.
Provide guidance on mobile development standards, tooling, and patterns.
Work in cross-functional squads to plan, refine, and deliver product features.
Contribute to documentation, knowledge sharing, and capability-building within the team.
Support release processes, app store submissions, and environment readiness.
Mobile Application Development
Build and maintain high-quality mobile experiences using React Native and Expo.
Implement secure and reliable user flows, ensuring compliance with platform and regulatory expectations.
Integrate with backend services and external partners where required.
Quality, Testing & Performance
Ensure robust testing practices and high levels of reliability across supported devices.
Monitor and improve app performance, stability, and overall user experience.
Support troubleshooting, incident resolution, and continuous improvement initiatives.
Security & Operational Readiness
Apply modern mobile security practices and ensure the app meets security, compliance, and privacy requirements.
Support operational readiness of the app through monitoring, observability, and release management.
Qualifications
Experience with React Native and Expo.
Proven track record of publishing apps to both Apple and Google app stores.
Deep understanding of secure mobile authentication (OAuth2/OIDC PKCE, biometrics, SCA).
Hands-on experience with mobile security best practices and secure storage.
Strong background in CI/CD, automated testing, and mobile observability.
Excellent communication skills and capability in cross-functional teams.
Additional Information
Your Wellbeing - We take your health and well-being very seriously by providing a range of benefits to give you and your family peace of mind. These include:
- Market leading family friendly policies such as access to our Maternity, Adoption and Paternity policies from Day 1 of your employment
- Free access to Headspace, a mindfulness & meditation digital health app
- Free access to Peppy digital health app that offers personalised support through fertility treatment becoming a parent or menopause
- EAP (Employee Assistance Programme) - Offering you support on a wide range of subjects including financial concerns, mental wellbeing and more general queries around family, work, housing, and health
- Cycle to work scheme
- Discounts on gym membership
- Contributory pension scheme & death in service
Your Lifestyle - It’s important you strike the right balance between your work and personal life. We provide benefits to support you when at work and when you’re enjoying your leisure time.
- Minimum of 27 days holiday per year
- Option to buy or sell holiday days through our flexi-holiday scheme
- Discounts on gym membership nationwide
- Access to discounts on a range of high street and online brands
- Community support and charitable giving
Your Contribution - We’re focused on rewarding those that go the extra mile in helping us achieve our goals.
- Participation in our annual discretionary bonus scheme designed to reward your contribution to our success
- Proudly Shawbrook recognition scheme focused on recognising our role models and thanking our colleagues for a job well done