Senior Java Developer We are lookinga Java developer to work on a hybrid position based in Limerick. As a Java Backend Developer for Transacts Mobile Ordering solution, you will be responsible for improving and maintaining the backend Java APIs & Infrastructure for a best-in-class mobile solution used by millions of students. You will be working on payment gateway integrations; third-party delivery integrations, point-of-sales integrations, expansion of loyalty capabilities, SQL performance tuning, unit tests, general code clean up, refactoring and code maintenance. Specifically, You Are Responsible For Working with the Engineering Manager and Product Owner to understand and implement functionality for new features and integrations. Analysing problems and implementing solutions that trade off architectural constraints of functionality, usability, performance, reliability, and scalability. Supporting the life cycle of the application during quality assurance, user acceptance testing, and post release. Complying with and contributing to consistent development guidelines (coding, change control, build, versioning). Participating in code reviews and architecture design sessions/workshops. Code refactoring, clean up, technical maintenance SQL performance tuning About You 4+ years of backend Java development leveraging Java EE servlets with Tomcat and JDBC Spring Boot development experience. Ideally you will have experience in migrating from Servlets to Spring Boot. Experience navigating third-party API specs to integrate new functionality with robust HTTP networking practices. Thorough understanding of SQL and writing efficient and optimized queries. In-depth understanding of object-oriented programming, design patterns and principles. Ability to understand technical requirements and decompose them into work tasks. Excellent communication and fluency in written and spoken English are required. Writing Unit & Integration tests. Desired Skills Enterprise, Solution or Application architecture design Event driven/message bus architecture Cloud PaaS/IaaS, ideally Azure Terraform Docker Azure DevOps & Github Actions C.I Pipelines Skills: Spring Framework Java Development Java technology Java 8 Core Java Spring MVC RESTful WebServices