Salary: £62,000 - 90,000 per year Requirements: 5 years of professional mobile development experience, with 2 years using React Native Strong knowledge of JavaScript/TypeScript, ES6 features, and modern React patterns Experience integrating third-party libraries, analytics tools, and mobile SDKs Strong understanding of secure mobile development, especially within financial or regulated environments Familiarity with state management Experience with CI/CD pipelines for mobile apps Strong debugging skills, including performance profiling and memory optimization Excellent communication skills and experience working in agile environments Responsibilities: Build and maintain a high-quality React Native application Integrate with RESTful and GraphQL APIs Diagnose, debug, and resolve issues across the mobile stack, ensuring a smooth and reliable user experience Participate in code reviews, offering constructive feedback and helping improve overall code quality Work cross-functionally with designers, PMs, and QA to deliver features end-to-end Support continuous improvement efforts by sharing knowledge, proposing enhancements, and adopting best practices Contribute to architectural discussions and help shape the technical direction of our app Technologies: CI/CD ES6 GraphQL Support JavaScript Mobile React React Native TypeScript AI Android Backend Cloud Java Kotlin Swift UX UI Design iOS More: We are HL, the UKs largest direct-to-consumer savings and investment platform, trusted by over 2 million clients. Our purpose is to help individuals achieve financial freedom by providing a secure home for their savings and investments. Located in stunning Paddington Central, we offer a competitive salary, generous performance-based bonuses, and a comprehensive benefits package including up to 19% pension contributions and private medical insurance. We embrace a hybrid working model, combining the best aspects of office collaboration with remote flexibility, all while fostering an environment that promotes innovation and user-centric experiences. last updated 9 week of 2026