Salary: £42,000 - 82,000 per year Requirements: Proven experience as a Mobile Front End Developer 7 years of experience in React native, HTML, CSS and JavaScript Experience in UX/UI Significant experience in CI/CD and DevSecOps platforms Experience in Cloud Technologies and Platforms, e.g., Azure Experience in secure software design and software security best practices and guidelines Experience with a wide range of IT environments, platforms, and applications Good analytical and problem-solving skills Excellent customer-facing skills IT qualification - Degree or equivalent work experience Responsibilities: Responsible for the front-end build quality of responsive websites/mobile apps using React native, HTML, CSS and JavaScript under frameworks like React.js aligning with software development standards Ensure good understanding of DevOps concepts and Azure ADB2C Manage app deployment experience in iOS and Play Store Understand cloud services like API management (APIM), App service and Azure configurations Collaborate with designers and back-end developers to ensure seamless integration of front-end and back-end functionalities Ensure security by design principles, GDPR and accessibility standards in front-end code delivery Optimize mobile applications for performance and responsiveness Conduct code reviews and ensure front-end code quality and adherence to best practices Stay up to date with emerging front-end technologies, trends, and best practices Write and maintain technical documentation for front-end code and processes Participate in UI/UX design discussions and provide input on user experience Maintain graphic standards and branding throughout the products interface Work in an agile DevSecOps environment Utilize modern frameworks and open-source libraries to transform customer experience Technologies: API Azure CI/CD Cloud CSS DevSecOps DevOps ESB JavaScript Mobile React React Native Security iOS UX UI Design Web Frontend More: We are looking for a Senior Front-End Developer to join our team based in Dublin, where we offer a hybrid working model of two days per week in the ESB Head Office. This role is designed for candidates based in Ireland and encompasses a 6-month assignment. Our team values collaboration and innovation, providing an environment where you can grow and utilize your skills in modern frameworks and technologies. last updated 14 week of 2026