Helpware is seeking a Java Developer to join a large-scale enterprise modernization initiative focused on transforming legacy COBOL/CICS applications into a modern Java-based architecture.
This is an excellent opportunity for developers with 3 years of commercial experience to contribute to a long-term enterprise project in healthcare industry while working with established frameworks, clear technical specifications, and experienced engineering teams.
Project Duration: 8–12 months with possible extension
Responsibilities:
Develop Java-based solutions according to detailed technical specifications provided by subject matter experts
Implement Java Enterprise components, including handlers, Enterprise JavaBeans (EJBs), and Data Access Objects (DAOs)
Develop business logic and database interaction layers
Create and optimize SQL queries and database integrations
Write, execute, and maintain unit tests
Deliver clean, maintainable, and well-documented code following established coding standards
Participate in code reviews and support integration activities
Collaborate with cross-functional teams to ensure successful project delivery
Requirements:
3+ years of commercial Java development experience
Strong Java, Cobol, and enterprise application development background
Actian DataConnect (version 11.5 or higher preferred):



building and maintaining integration maps and processes
HIPAA X12 EDI experience (834, 835, 837, *******, *******), including X12-to-XML transformation
XML, XSLT, and DTD/schema handling
Message queue integration (IBM MQ/JMS) a plus
SQL/database and API/integration experience
Comfortable working within an established application architecture
Healthcare payer experience strongly preferred; Medicare/Medicaid a plus
English level - B2 or better
Technical Environment:
Java Enterprise Edition (Java EE)
Enterprise JavaBeans (EJB)
Actian DataConnec
Data Access Objects (DAO)
SQL Databases
IBM Rational Application Developer (RAD)
IBM WebSphere Application Server
Angular-based frontend ecosystem (backend-focused role)
We Offer:
Fully remote work from anywhere in Mexico or South America
Opportunity to work on a large-scale enterprise modernization project
Long-term project engagement with potential extension opportunities
Collaboration with experienced architects, project managers, and subject matter experts
Competitive compensation
Supportive and collaborative team culture
We sincerely thank all applicants for their interest.
However, only shortlisted candidates will be contacted for interviews.
#J-*****-Ljbffr

📌 Java Developer - Cobol Modernization Project (Buenos Aires)
🏢 Helpware
📍 Buenos Aires