We're working with a leading global financial services organisation that's currently looking for a Principal Software Engineer to join their growing team in Galway. This is a key role within a high-performing engineering group building secure, large-scale platforms that support millions of customer interactions.Key Skills & Experience:Strong background in backend development specifically with Java, 8+ years minimumStrong proficiency with a Spring Boot and Microservices.Experience integrating RESTful APIs and working with asynchronous data flowsKnowledge of HTML5, CSS3, JavaScript/TypeScript, and component-based architectureSkilled in optimizing performance, accessibility, and cross-browser compatibilityFamiliarity with CI/CD pipelines and version control (Git)Candidates must have a Stamp 4 or EU Citizenship.