Freelancer profile translated to English.

Description

COBOL mainframe developer with 5 years of experience, I support players in banking and insurance in the maintenance and evolution of their critical systems.

I master IBM z/OS, DB2, JCL, TSO/ISPF environments, with expertise in batch and transactional (TP) processing.

Available as a freelancer from February 2026, I am open to technical and long-term assignments.

Industry field of expertise

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Paris (up to 50km)

CNAV (Assurance retraite)
Mainframe Consultant
BANKING AND INSURANCE
February 2024 - Today (2 years and 4 months)
Tours, France
Ensure the corrective and evolutionary maintenance of existing applications.
Examine and analyze technical and functional specifications for projects.
Collaborate with business teams to understand requirements.
Design and develop applications using COBOL language on mainframe systems.
Perform reverse engineering on existing COBOL programs to interpret their business logic and facilitate evolutions or corrections.
Monitor production, ensuring the supervision, analysis, and resolution of incidents.
Write technical specifications and design documents.
Keep application and process documentation up-to-date.
Review documentation (COBOL chain design documents, existing architecture, etc.) and security constraints.
Share experience with CNAV teams.
Participate in technical design meetings and document creation.
Develop components (mainly batch) by including comments explaining the modified treatments.
Worked on complex batch processing chains, involving multi-program sequences and critical dependencies between COBOL components.
Design and execute complex unit and integration test scenarios, adapted to critical batch chains, to ensure the reliability of processing and compliance with functional requirements.
Complete existing documents if incomplete or transmit missing elements to the teams responsible for development via ETL.
Ensure knowledge transfer, particularly with each major delivery.
Ensure compliance with security and regulatory constraints in the development and deployment of components.
Technical Environment:

Cobol, MVS Z/OS, JCL, TSO/ISPF, DB2, Talend
COBOL IBM Db2 JCL TSO
EURO INFORMATION
Analyst Developer
BANKING AND INSURANCE
January 2021 - January 2024 (3 years)
Knowledge of mainframe technologies (COBOL, TSO, JCL, DB2).
Mastery of the IT project lifecycle.
Execution of all functional aspects from analysis through development and acceptance testing.
Execution of deferred time transactions (BATCH) and real-time transactions (TP).
Writing detailed functional and technical specifications according to client needs.
Project monitoring via weekly video conferences with clients in France.
Develop various functional scenarios using the HP ALM (QCHP) tool.
Perform unit tests and non-regression tests.
Mentoring new hires for 6 months during their probationary periods.
Use TSO tools and create DB2 tables.
Participation in DB2 training and soft skills training provided by (EI).
Organization and proposal of events as Team Building manager.
Technical Environment: Cobol, JCL, DB2, ISPF (PCOM), TSO, QCHP, RDZ (Internal IDE).

PROJECT: powers/gaus:

Creation of banking and/or insurance powers between principals and agents.
Online delegation of banking powers.
Management of authorization rights for powers (management of transfers and other payment methods).
Management of bank accounts.
Opening accounts, subscribing to investments, and electronic contract signing.

PROJECT: INDIVIDUAL DATABASE:

Management of temporary workers.
Management of salaries and annual bonuses.
Creation of user accounts with personalized rights.
Creation of profiles according to the establishment and current positions.
Creation of insurance contracts for employees.
IBM Db2 RDZ COBOL JCL TSO
FIS
JAVA JEE STUDIES AND DEVELOPMENT ENGINEER
SOFTWARE PUBLISHING
January 2020 - January 2021 (1 year)
Tunis, Tunisia
Development of an application that allows analysis and evaluation of code without any prior experience with the product.
Analysis of SonarQube programming rules.
Creation of new custom rules.
Measure and analyze code quality.
Technical Environment:

JAVA, Angular, Web service architecture, MySQL, Sklearn. Scrum Methodology
Java Angular SonarQube Scrum API