Java / JEE Developer (Senior)

Senior Java / JEE Developer Location: Dublin Hybrid working model Job Type: Contract 24+ months further extendable Your responsibilities: Facilitating the achievement of goals established for the projects to which assigned, Programming of Java, J2EE, Struts and EJB application components Coding in adherence to the standards of the application in question Maintaining tuning and repairing applications to keep them performing according to technical and functional specifications; performing preventive maintenance activities; providing user support Integration of technical and application components to meet business requirements Completing assigned tasks related to phases of development lifecycle of enterprise applications within given scope and timeframe requirements Mentoring and facilitating skills transfer to staff Any other tasks which are considered to be appropriate to the role. Essential skills/knowledge/experience: Building web applications using Java 1.5, Java 1.8, EJB 2.0, Struts 1.1, and modern stacks specifically Java 17, Spring Boot, Microservices, Jakarta EE 9, and Spring Framework 3.5.6. Refactoring boilerplate code, from critical legacy J2EE 1.4 applications (deployed on OC4J 10.3.3.0, Solaris 5.10, Oracle 10G) to modern Java 17 architecture using Spring Boot, Microservices, Jakarta EE 9, and Spring Framework 3.5.6. Writing complex ad-hoc reports using SQL, developing and maintaining intricate PL/SQL packages, stored procedures, and functions on Oracle 10G and 19C. Integrating with external systems via secure file transfer using legacy APIs and modernizing these interfaces using Java 17 Microservices and Jakarta EE 9 APIs. Designing, developing, and maintaining application schemas on Oracle 10G and 19C. Migrate OC4J 10.3.3.0 JAZN-based authorization to Azure B2C custom authentication flow using Graph API, Java 17, and Spring Boot 4.3.1. Proficient in Subversion and Git for codebase management, including branching, merging, tagging, changelog generation, and release coordination. Translate complex database rules into YAML configuration files and implement rule reading using Jakarta EE 9 APIs. Provide ongoing support for legacy systems built on J2EE 1.4, 1.5, and 1.8, including troubleshooting, performance tuning, maintenance, and end-user support. Jenkins and Azure Pipelines for continuous integration and deployment with build tools such as ANT and Maven. Configure SonarQube rules to enforce code coverage, detect code smells, manage cyclomatic complexity, and scan for CVE vulnerabilities. Design and development of reports using Jasper Reports 3.1. Extensive use of JSTL 1.1 core tag library, Struts tag library, and custom tag libraries Design and develop a React-based front-end user interface, ensuring seamless integration with APIs, including support for Swagger UI and Postman. Candidates should hold appropriate RTWs for Ireland i.e. Stamp1G Spousal, Stamp 4, Irish/British/EU passport. For more information please apply here or contactAgnes Reena/ Contact: Ref: EET7691 Candidates must be eligible to work full time and long term in the location specified or currently hold a valid appropriate long term work Visa to apply. eir evo talent, eir evo and our clients are equal opportunity employers who seeks to recruit and appoint the best available person for a job regardless of marital / civil partnership status, sex (including pregnancy), age, religion, belief, race, nationality and ethnic or national origin, colour, sexual orientation or disability. eir evo talent, eir evo and our clients apply all relevant Data Protection laws when processing your Personal Data. If you choose to apply to this opportunity and share your CV or other personal information with eir evo talent, eir evo and our clients, these details will be held by us in accordance with our privacy policy used by our recruitment team to contact you regarding this or other relevant opportunities at eir evo talent and eir evo Skills: Java 1.5 J2EE Microservices Benefits: Work From Home