Direct message the job poster from PFH Technology Group
Contract Type: 12-Month Contract (Possible Extension)
Overview
We are looking for an experienced Senior Java Developer to join an established team in Dublin on a long-term contract.
This role involves maintaining and developing large-scale, mission-critical legacy systems using J2EE, Struts, EJB, and Oracle technologies.
The ideal candidate will bring deep technical knowledge, attention to detail, and strong problem-solving skills — ensuring stability and performance within complex enterprise environments.
Key Skills and Experience
* Minimum 10 years’ experience in enterprise-level Java EE development and support.
* Strong hands-on experience with J2EE 1.4, Java 1.5, EJB 2.0, Struts 1.1, and OC4J 10.3.3.0.
* Proven experience maintaining legacy web applications on Solaris 5.10 and Oracle 10G.
* Advanced PL/SQL development, including stored procedures, packages, and functions.
* Solid understanding of JAZN for authorisation and policy management.
* Expertise in Subversion (SVN) for codebase management (tagging, branching, merging).
* Experience with Jenkins, ANT, and continuous integration / deployment.
* Knowledge of secure file transfer, legacy APIs, and system integrations.
* Strong troubleshooting, performance tuning, and analytical skills.
* Excellent communication skills and ability to collaborate within a technical team.
* Must hold a Stamp 4 visa or EU passport (required for eligibility).
Key Responsibilities
* Develop and maintain critical J2EE web applications deployed on OC4J 10.3.3.0, Solaris 5.10, and Oracle 10G.
* Enhance existing applications using Java 1.5, EJB 2.0, and Struts 1.1 frameworks.
* Build and maintain complex PL/SQL scripts and database objects to support business functions.
* Perform code tuning, debugging, and preventative maintenance to optimise performance.
* Integrate and maintain system components to meet evolving business needs.
* Manage version control and release activities using Subversion (SVN).
* Participate in continuous integration and build automation processes using Jenkins.
* Generate ad-hoc SQL reports for business analysis.
* Mentor and support internal staff, promoting knowledge transfer and best practice development.
PFH Technology, owned by Ricoh – a Japanese based global ICT company, is a premier provider of end-to-end ICT solutions and a managed services portfolio scaling from SMEs to large Enterprise organisations. We have unrivalled vendor relationships. We can procure, design, deploy and support all your ICT needs. Our ISO certified Custodian™ Cloud Services and Custodian™ Managed Services provide the technology and expertise to mitigate risk and reduce your costs immediately. We have a nationwide network of over 750 dedicated professionals, ready to meet your ICT needs, with offices in Dublin, Cork and Galway.
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