Java Developer; Hibernate​/EJB​/Unisys DTPRA

Trigyn's direct government client has an immediate need for Java Developer in Albany, NY.

• Participate in Joint Application Development session to assist in the formulation of Use Case analysis deliverables.
• Interpret Use Case requirements, seek clarification from Business Analysts as needed and estimate, propose, prototype and develop a solution that integrates within the existing technology stack and framework.
• Provide J2EE, JBoss Enterprise Application Server, SOA web services, Oracle, Unisys Mainframe Transaction Management (DTPRA) application development expertise and mentoring to staff and other contract resources as required.
• Provide work breakdown structures to articulate tasks, level of effort and dependencies between tasks and report progress.
• Provide troubleshooting and end-user support/problem resolution when necessary.
• Provide technical documentation, solution prototypes, conduct demonstrations of work in progress and completed work to business subject matter experts and other technical staff as requested/required.

• Is involved with all facets of the software development process, including the research, design, programming, testing and implementation of computer software.
• Candidate is able to provide guidance to large teams and/or has extensive industry experience and is considered at the top of his/her field.
• 84 months of experience developing Java-based enterprise applications, contributing to government systems, handling data access, business logic, data manipulation, and end-to-end feature development.
• 84 months of experience integrating Hibernate ORM with Java applications, resolving complex Hibernate 6 migration issues such as entity mapping errors, DTO mismatches, inheritance conflicts, and null data handling across multiple enterprise modules.
• 84 months of experience designing enterprise solutions using Enterprise Java Beans (EJB 3.x), implementing Stateless and Stateful Session Beans and leveraging container-managed transactions for scalable and reliable backend processing.
• 84 months of experience working with complex database systems, including schema alignment, ensuring data consistency, proper transaction handling, and maintaining reliable data flow across enterprise applications.
• 84 months of experience designing and enhancing enterprise search and processing modules, including multi-criteria search functionality, server-side pagination, Excel export, notes management, and document retrieval capabilities.
• 84 months of experience developing Java applications integrating with legacy mainframe systems using Unisys DTPRA, supporting secure data exchange, troubleshooting integration issues, and ensuring reliable system-to-system communication.
• 84 months of experience configuring and managing builds using Apache Maven, including dependency management, plugin configuration, and build lifecycle customization for enterprise applications.
• 84 months of experience writing and maintaining unit and integration tests using JUnit, improving test coverage, maintaining regression stability, and supporting framework upgrades.
• 84 months of experience in providing post-production support, including resolving critical application issues, debugging production defects, and ensuring system stability and continuity across enterprise modules.
• 36 months of experience working in government-based enterprise application environments, supporting public sector systems with secure data processing, compliance-driven workflows, and integration across multiple legacy and modern platforms.

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TRIGYN TECHNOLOGIES, INC. is an EQUAL OPPORTUNITY EMPLOYER and has been in business for 35 years. TRIGYN is an ISO 27001:2022 and CMMI Level 5 certified company.