TL;DR

Senior Mobile App Developer (Fintech): Developing and delivering a secure, production-ready mobile banking app for iOS and Android using React Native and Expo with an accent on mobile security, app store deployment, and cross-functional collaboration. Focus on implementing secure authentication, ensuring app performance and stability, and supporting operational readiness in a regulated financial environment.

Location: Onsite in London, United Kingdom

Company

%hirify_global% is a specialist bank combining strong digital capabilities with human expertise to deliver diverse financial products and services.

What you will do

Shape and deliver the mobile MVP in collaboration with Tech Lead and cross-functional teams.
Build and maintain high-quality mobile experiences using React Native and Expo.
Implement secure user flows ensuring compliance with platform and regulatory requirements.
Support app store submissions and release processes for Apple and Google Play stores.
Ensure robust testing, monitor app performance, and support troubleshooting and incident resolution.
Apply modern mobile security practices and support operational readiness through monitoring and release management.

Requirements

Must be located in or able to work onsite in London, United Kingdom.
Experience with React Native and Expo and proven track record of publishing apps to Apple and Google app stores.
Deep understanding of secure mobile authentication (OAuth2/OIDC PKCE, biometrics, SCA) and mobile security best practices.
Hands-on experience with CI/CD, automated testing, and mobile observability.
Excellent communication skills and ability to work in cross-functional teams.
English proficiency at least B2 level.

Culture & Benefits

Family-friendly policies including maternity, adoption, and paternity from day one.
Access to mindfulness and health apps like Headspace and Peppy.
Employee Assistance Programme supporting mental wellbeing and other personal concerns.
Cycle to work scheme and gym membership discounts.
Contributory pension scheme and death in service benefits.
Minimum 27 days holiday with flexible holiday buying/selling options.
Annual discretionary bonus and recognition schemes.