Android App Developer Intermediate Level (Contract)

Android App Developer Intermediate Level (Contract) Contract Type: 6-month contract (with potential extension) Work Arrangement: Hybrid minimum 2 days onsite per week, with remaining days remote Sector: Public Transport / Mobility Technology Work Eligibility: Candidates must have full working rights in Ireland. Sponsorship is not available for this position. Day Rate 500 eur Role Overview We are seeking an experienced Android App Developer (Intermediate Level) to join a technology team delivering secure, scalable, and innovative mobile solutions within the public transport and mobility sector. The successful candidate will be responsible for designing, developing, testing, and maintaining Android applications, with a strong focus on secure mobile technologies, API integration, embedded Android solutions, and modern authentication frameworks. This role will suit an Android developer who enjoys working on complex, high-impact applications that support digital services used by large-scale transport networks. Key Responsibilities Design, develop, and maintain Android applications using modern development practices. Build robust, secure, and scalable mobile solutions within an enterprise environment. Develop and integrate RESTful web services and APIs. Implement secure authentication mechanisms, including OAuth2, OpenID Connect, and JWT-based authentication. Work with embedded Android applications and develop modular, interface-driven libraries to support scalable solutions. Integrate and manage secure elements, NFC technologies, and related authentication processes. Develop solutions involving smart card technologies, including MIFARE DESFire and SAM-based authentication. Implement and support QR code technologies, including UIC918 standards. Create and manage unstructured NoSQL databases where required. Apply strong debugging, troubleshooting, and unit testing practices to ensure high-quality software delivery. Collaborate with cross-functional teams including software engineers, architects, testers, and business stakeholders. Participate in code reviews, technical discussions, and continuous improvement initiatives. Manage source code using distributed version control systems such as Git or Mercurial. Required Skills & Experience Minimum NFQ Level 8 degree qualification in a relevant discipline such as Computer Science, Software Engineering, or equivalent experience. Strong Android development experience with excellent knowledge of Java in an Android environment. Experience developing mobile applications using REST-based web services. Experience working with NoSQL databases and unstructured data environments. Strong understanding of software testing methodologies, unit testing, and debugging techniques. Practical experience using distributed version control systems such as Git or Mercurial. Experience implementing modern API security standards, including: OAuth2 OpenID Connect JSON Web Tokens (JWT) Strong knowledge of secure mobile technologies, including: NFC integration Secure Elements MIFARE DESFire SAM-based authentication Experience working with QR code technologies, particularly UIC918 standards. Experience developing modular, reusable, interface-driven Android libraries. Desirable Attributes Experience working on large-scale digital platforms or public-facing applications. Strong understanding of secure software development principles. Ability to work independently while collaborating effectively within a hybrid team environment. Strong analytical and problem-solving skills with attention to detail. Comfortable working in an agile development environment. Additional Information This is an excellent opportunity for an Android Developer to contribute to technology solutions within the transport and mobility sector, working on secure and impactful digital services. Please note: Applicants must hold full working rights in Ireland. Visa sponsorship is not available for this role. Benefits: Work From Home
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