Java Developer

Greycell Labs
10 days ago

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Tech stack

Java
COBOL
Code Coverage
Databases
Data Security
Data Structures
Software Design Patterns
Enterprise JavaBeans
Java Platform Enterprise Edition (J2EE)
Hibernate
Apache Struts
JUnit
Maven
MVC
Simple Object Access Protocol (SOAP)
SonarQube
Systems Integration
Data Processing
Java Application Server
Enterprise Software Applications
Technical Debt
Backend
Software Coding
REST

Requirements

  • 84 months experience with writing Java application software for data access, data structures,data manipulation, databases, testing, and technical documentation.

  • 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 enterprise modules.

  • 84 months of experience designing enterprise solutions using Enterprise JavaBeans (EJB 3.x), implementing Stateless and Stateful Session Beans and leveraging container-managed transactions for scalable and reliable backend processing.

  • 60 months of experience building document generation (DOCGEN) modules in state government enterprise applications using Java, Hibernate, EJB, and SOAP/REST web services.

  • 84 months of experience building financial accounting and case intake modules using Struts 2 and developing MVC action workflows for account management, payment processing, intake submission, and case build operations in state government child support systems

  • 84 months of experience developing Java applications integrating with legacy COBOL based mainframe systems, working with Unisys DTPRA connectors.

  • 84 months of experience implementing and maintaining Maven build configurations, managing dependencies, and customizing build lifecycles using plugins for efficient Java applications.

  • 84 months of designed and developed enterprise solutions using J2EE design patterns, experience using SonarQube for coding standards, reducing technical debt across the application.

  • 48 months of experience working in government-based enterprise application environments, supporting public sector systems with secure data processing, compliance-driven workflows, and integration across legacy and modern platforms.

  • 84 months of experience writing and maintaining unit and integration tests using JUnit, improving test coverage, maintaining regression stability, and supporting framework upgrades.

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