Senior Java Backend Developer

Any W260 months of experience integrating with external systems (FPLS, SPLS) forsecure data file exchanges, ensuring reliable and compliant datatransmission. Designed and developed RESTful and SOAP-based services toconsume and expose external data sources, enabling seamless system-to-system communication. 84 months of experience in writing and maintaining unit and integration testsusing Junit, also working on migration from legacy JUnit versions to JUnit 5,improving test maintainability, execution performance 84 months of experience with server-side templating engine like Freemaker,working with PDF rendering libraries and JasperReports for enterprisereporting. 84 months of experience developing Java applications integrating with legacyCOBOL based mainframe systems, working with Unisys DTPRA connectors. 84 months of designed and developed enterprise solutions using J2EE designpatterns, experience using SonarQube for coding standards, reducingtechnical debt across the application. 84 months of experience implementing and maintaining Maven buildconfigurations, managing dependencies, and customizing build lifecyclesusing plugins for efficient Java applications. 84 months of experience analyzing business processes and workflows, andalso created the data file for the Local Processing Center (LPC) to generatedocuments, actively coordinate with LPC for troubleshooting system. 84 months experience with writing Java application software for data access,data structures, data manipulation, databases, testing, and technicaldocumentation. 84 months of experience integrating Hibernate ORM with Java applications toenable efficient and optimized database interactions, utilizing advancedmapping techniques (XML), HQL/Criteria APIs, and implementing robust DAOlayers for seamless persistence management. 84 months of experience in designing enterprise solutions using EnterpriseJavaBeans (EJB) 3.x, implementing Stateless and Stateful Session Beans,leveraging container-managed transaction (CMT) support.