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Développeur COBOL Mainframe Confirmé (H/F)

LILLE, fr💼 Full-time🗓 2026-07-22 → 2026-09-26

Core

Develop, maintain, and modernize critical mainframe applications for clients in banking, insurance, and social security sectors.

Role type

Senior COBOL Mainframe Developer

Builds

Legacy and modernized mainframe applications

Domain

Banking, Insurance, Social Security

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

COBOL, IBM z/OS, DB2, JCL, CICS, TSO/ISPF, SQL, unit testing, integration testing, incident analysis

Preferred skills

Agile/Scrum methodologies, SI transformation projects, complex/critical environment experience

Responsibilities

Analyze business needs and functional specifications, write technical specifications, design and develop COBOL Mainframe applications, perform unit and integration tests, ensure corrective and evolutionary maintenance, participate in acceptance and production phases, analyze and fix production incidents

Seniority

Senior, hands-on IC

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