Frontend developer in Dublin, County Dublin, Ireland::Contract::HybridJob Description:ResponsibilitiesDesign and implement innovative, scalable, and secure software solutions.Develop full-stack applications using Java (JDK 17+), Spring Boot, React, and Microservices architecture.Build and manage well-functioning databases and applications using SQL (Oracle/Postgres) and NoSQL.Write effective RESTful APIs and develop Web Services using REST/XML/JSON.Design client-side and server-side architecture with mobile-responsive front-end interfaces.Work closely with Business Analysts, Technical Leads, and Quality Engineers in an Agile/BDD environment.Troubleshoot, debug, and upgrade software to ensure responsiveness and efficiency.Create security and data protection settings.Produce design documentation aligned with internal standards.Collaborate with project teams to meet deadlines and recommend solutions.Skills & ExperienceProven experience (min 10 years) as a Frontend developerProficiency in Java, Spring Framework, Spring Boot, Hibernate, Tomcat, Shell Scripting, and JSON.REST API specification frameworks such as Swagger, OpenAPI.Strong front-end skills: React, Angular, HTML, CSS, JavaScript, TypeScript.Experience with Docker, Kubernetes, and container orchestration.Familiarity with cloud platforms like AWS, Azure, PCF.Expertise in JUnit and other automated testing frameworks like Serenity.Experience with CI/CD tools such as Jenkins, Gradle, Maven and git-based source control systems.Use of API testing tools like Postman, Insomnia, cURL.Working knowledge of Linux, multi-threading.Familiarity with monitoring tools like Splunk and code quality tools like Sonar.Hands-on experience with event-driven systems (e.g., Axon Framework).Understanding of architectural patterns for high-performance, high-availability systems.Ability to build middleware services that interface UI with backend infrastructure.Knowledge of advanced authentication techniques for web platforms.