Senior Java (Smart POS) Developer in Ireland (Freelance)

Senior Java (Smart POS) Developer (m/f/d)General informationReference: 172326Location: 5 Days LimerickStart: [phone removed] (ASAP)Volume: Full time (100%)Duration: [phone removed] + OptionLanguages: EnglishYour TasksCollaborate within a high-trust, multidisciplinary solutions delivery team to implement technical solutions.Deliver high-quality code for complex projects in an agile delivery framework.Design and implement Android applications and services offering top-tier payment flow experiences.Support architectural direction and specification for new applications and services.Execute advanced development tasks, including unit testing, debugging, and programming.Conduct validation activities like component tests, regression tests, and system integration tests.Troubleshoot issues across diverse device types.Implement, document, and ensure quality in software architectures and end-to-end solutions.Develop monitoring and logging solutions for high-performance production environments.Provide effort estimation for tasks using expertise in relevant technical areas.Share knowledge, mentor team members, and actively support skill development.Collaborate with enterprise developers, analysts, and tech leads to align technical solutions with business needs.Your SkillsStrong skills in Java, Kotlin, and Android development.Familiarity with Android ROM and platform trends.Expertise in the payments industry, including EMVCo, NEXO, or PCI/PTS standards.Experience with REST services, SOA, and database schema design.Familiarity with runtime, build, and deployment tools such as CI/CD, Git, Maven, and Eclipse.UI development optimized for performance and screen adaptation.Knowledge of 3rd-party Android libraries, RxJava, MVP/MVC patterns, React Native, and JavaScript (preferred).Experience with distributed computing is a plus.