Mainframe Developer

Capgemini • New York, NY

1d • $85,000 - $96,655

About The Position

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Requirements

• Mainframe Technologies: COBOL, JCL, DB2, VSAM
• Cloud & Modernization: AWS Cloud, Mainframe Modernization, COBOL-to-Java Migration/Re-engineering, Java Development, Claude-assisted Code Transformation, Legacy Application Assessment and Transformation, Mainframe Batch Analysis, Impact Analysis and Dependency Mapping, Application Rationalization and Legacy System Decommissioning, AWS-based Application Migration and Deployment
• Development Methodologies & Tools: Agile Methodology, JIRA
• Core Competencies: Mainframe Application Development and Support, Batch Processing and File Handling, System Analysis and Technical Design, Application Impact Assessment, Modernization and Migration Planning, Unit Testing and Integration Testing, Production Support and Troubleshooting

Nice To Haves

• Mainframe with exp in Java, AWS, Github, Claude code

Responsibilities

• Perform detailed system analysis, requirement gathering, and technical design for Mainframe applications.
• Develop, enhance, maintain, and support applications using COBOL, JCL, DB2, and VSAM.
• Analyze existing Mainframe batch applications, job streams, business processes, and application dependencies.
• Perform impact analysis to assess the effects of application changes, modernization efforts, and decommissioning activities on upstream and downstream systems.
• Analyze interfaces, data flows, batch schedules, and business rules to identify dependencies, risks, and modernization opportunities.
• Support application rationalization and decommissioning of legacy Mainframe applications.
• Participate in Mainframe modernization initiatives involving the migration and transformation of COBOL-DB2 applications into Java-based applications on AWS.
• Utilize Claude-assisted code transformation tools to support code analysis, conversion, refactoring, and documentation activities.
• Execute unit testing, integration testing, and support User Acceptance Testing (UAT).
• Validate functional equivalence between legacy Mainframe applications and modernized Java applications.
• Participate in production deployments and perform Post Verification Testing (PVT).
• Provide periodic testing, production support, troubleshooting, and research support.
• Collaborate with business stakeholders, architects, and cross-functional teams in an Agile environment.
• Maintain project documentation and work management activities using JIRA.
• Be flexible and willing to work across different IST shifts based on project requirements.

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed