CareerPlan

Copy of Analyste Développeur COBOL – Applications Mainframe (H/F)

Lille, frFull-time€38k–€55k2026-10-12 → 2026-11-10

Core

Maintaining, evolving, and securing mainframe applications processing large volumes of data and transactions.

Role type

Senior COBOL developer (mainframe)

Builds

Mainframe applications and batch processing workflows

Domain

Banking/Finance + Mainframe

Required skills

COBOL, Mainframe IBM/zOS, DB2, JCL, batch processing, version control, data file processing

Preferred skills

Banking/finance domain experience

Responsibilities

Analyze requirements and functional evolutions, perform impact analysis, design solutions and write specs, develop and maintain COBOL applications, execute unit/integration/regression tests, resolve production incidents, ensure batch reliability and performance

Seniority

Mid-Senior, hands-on IC