Option 3

Enterprise Mainframe Delivery Across Critical Domains

Banking

Core Banking Maintenance and Delivery

Client type: Large enterprise financial organization (confidential mission context).

Technologies: COBOL, JCL, DB2, CICS, Endevor, SDSF.

Responsibilities: Requirement analysis, technical specifications, batch and online development, unit testing, issue resolution, and release preparation.

Achievements: Delivered stable changes in critical processing chains while supporting production reliability and faster defect turnaround.

Insurance

EID Contract & Product Evolution (MBR / TARGO)

Client type: Insurance enterprise and international sales network.

Technologies: COBOL, JCL, DB2, SQL, TSO/ISPF, SDSF, File-Aid, Abend-Aid, Xpediter, rDz, DevBooster.

Responsibilities: Solution proposal, detailed specifications, development, unit testing, support during validation phases, and technical expertise for team delivery.

Achievements: Contributed to contract-management enhancements and new product capabilities for expanded insurance distribution.

Public Administration

National Platforms at Ministry of Interior

Client type: Government administration and citizen-facing digital services.

Technologies: COBOL, JCL, DB2, CICS, TSO/ISPF, Endevor, SDSF, SQL.

Responsibilities: Batch processing design, CICS screen development, refactoring, onboarding support for new team members, and delivery coordination.

Achievements: Supported strategic national programs including vaccination, social assistance, scholarship, and e-passport platforms.

Public Administration

Rectorat de Toulouse Technical Migration

Client type: Regional public education administration.

Technologies: COBOL, PL/SQL, Shell, Eclipse, MobaXterm, Jira, DBeaver.

Responsibilities: POC analysis, SQL/shell component creation, test data preparation, code review, risk escalation, and iteration reporting.

Achievements: Helped secure migration quality from COBOL logic to Unix-oriented scripts with structured validation and team support.

Insurance

Allianz Individual Management Processing

Client type: International insurance group.

Technologies: COBOL, JCL, DB2, SQL, Endevor, SPUFI, TSO, SDSF.

Responsibilities: Analysis, development, batch file construction, anomaly requalification, and production-ready delivery.

Achievements: Reinforced stability and maintainability of individual-data processing workflows in a high-volume insurance context.