Java Developer

Greycell Labs

2 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

API

COBOL

Databases

Data Transmissions

Data Files

Data Security

Data Structures

Software Design Patterns

Enterprise JavaBeans

Java Platform Enterprise Edition (J2EE)

Hibernate

JasperReports

JUnit

Maven

Simple Object Access Protocol (SOAP)

SonarQube

XML

Data Processing

Java Application Server

Technical Debt

Integration Tests

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 to enable efficient and optimized database interactions, utilizing advanced mapping techniques (XML), HQL/Criteria APIs, and implementing robust DAO layers for seamless persistence management.
84 months of experience in designing enterprise solutions using Enterprise JavaBeans (EJB) 3.x, implementing Stateless and Stateful Session Beans, leveraging container-managed transaction (CMT) support.
84 months of experience with server-side templating engine like Freemaker, working with PDF rendering libraries and JasperReports for enterprise reporting.
84 months of experience developing Java applications integrating with legacy COBOL based mainframe systems, working with Unisys DTPRA connectors.
84 months of designed and developed enterprise solutions using J2EE design patterns, experience using SonarQube for coding standards, reducing technical debt across the application.
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 experience analyzing business processes and workflows, and also created the data file for the Local Processing Center (LPC) to generate documents, actively coordinate with LPC for troubleshooting system.
60 months of experience integrating with external systems (FPLS, SPLS) for secure data file exchanges, ensuring reliable and compliant data transmission. Designed and developed RESTful and SOAP-based services to consume and expose external data sources, enabling seamless system-to system communication.
84 months of experience in writing and maintaining unit and integration tests using Junit, also working on migration from legacy JUnit versions to JUnit 5, improving test maintainability, execution performance