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Developpeur Cobol H/F

Rouen, Normandy, fr💼 Full-time🗓 2026-05-05 → 2026-08-01

Core

Develop and maintain transactional and batch COBOL applications, manage DL/I (IMS DB) and DB2 data models, and handle I/O flows for a mainframe environment.

Role type

Senior COBOL Mainframe Developer

Builds

Transactional and batch COBOL applications, IMS/DB2 data models, and I/O flow mappings

Domain

Mainframe banking/enterprise systems (IMS, CICS, DB2, DL/I)

Deliverable

production ML models | product features | infrastructure

Required skills

COBOL (transactional and batch), DL/I (IMS DB), DB2, IMS conversational, CICS, JCL, batch planning, mainframe debugging tools

Preferred skills

ASP.NET MVC, C# .NET, JBoss, Agile (Scrum/Kanban)

Technologies

COBOL, IMS, CICS, DB2, DL/I, JCL, ASP.NET MVC, C# .NET, JBoss

Responsibilities

Build and evolve transactional and batch COBOL applications, model and evolve DL/I and DB2 data structures, manage I/O flows and file/API mappings, perform code reviews and optimize processing, execute unit tests and prepare test datasets, diagnose production incidents and lead RCA, contribute to production deployments via packages and JCL, interface with .NET and JBoss teams

Seniority

Senior, hands-on IC

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