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Concepteur développeur Mainframe H/F

Lille🌐 Remote💼 Full-time🗓 2026-07-16 → 2026-09-26

Core

Designing and developing mainframe applications and infrastructure for retail, banking, and public sector clients.

Role type

Mainframe application developer

Builds

Mainframe applications and infrastructure components

Domain

Banking, Retail, Public Sector; Mainframe technology

Deliverable

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

Required skills

Cobol, Mainframe, DB2, MVS, CICS, technical analysis, unit testing, code reviews, impact analysis, functional and technical documentation, integration testing

Preferred skills

experience in large-scale mainframe projects, passion for technology, teamwork, service orientation

Technologies

Cobol, DB2, MVS, CICS

Responsibilities

Participate in technical and functional analysis, produce detailed technical designs, develop applications, conduct unit and non-regression tests, perform code reviews and impact studies, write documentation, execute integration and validation tests

Seniority

Mid-level to Senior, hands-on IC

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