Java Developer - COBOL Modernization Project

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.