Java Developer - COBOL Modernization Project

Company: Helpware Location: Guadalahara, MX Employment type: Full-time

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, 270/271, 276/277), 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.