Mainframe Developer Cobol

MEERAB GROUP; Belgique; On-site; EUR 55,000 - 90,000; Full time

Job summary

Meerab Group in Brussels is seeking an experienced COBOL Programmer fluent in French to join our central systems team. You will develop, implement, maintain, and optimize COBOL-based applications for the banking sector.

Responsibilities include developing and testing new transaction products, performing unit and integration testing, debugging, documenting changes, and ensuring adherence to development standards and change management processes.

Qualifications

• Proven COBOL development and maintenance experience.
• Strong COBOL knowledge and structured programming.
• Ability to translate functional specs into technical implementations.
• Experience with debugging, troubleshooting, and defect resolution.
• Understanding of SDLC, testing, and change management.
• Strong analytical and problem-solving skills.

Responsibilities

• Develop, implement, and maintain COBOL applications in the central system.
• Develop and test new transaction products and management functionalities.
• Assess impact of changes on existing systems and functionalities.
• Perform unit, integration testing, debugging, and defect resolution.
• Maintain and optimize COBOL applications for performance and reliability.
• Investigate incidents, identify root causes, and apply corrective actions.
• Prepare technical documentation for development, testing, and maintenance.
• Ensure compliance with development standards and change management.

Skills

COBOL programming

Structured programming

Functional analysis

Debugging

Analytical thinking

Tools

JCL

DB2

CICS

SQL

Job description

We are seeking an experienced COBOL Programmer fluent in French to join our team at Meerab Group in Brussels. The role involves developing, implementing, maintaining, and optimizing central system applications for the banking sector.

Key Responsibilities

• Develop, implement, and maintain applications using COBOL within the central system.
• Develop and test new transaction products and management functionalities based on approved analyses and specifications.
• Assess and manage the impact of application changes on existing systems and related functionalities.
• Perform unit testing, integration testing, debugging, and defect resolution.
• Maintain, enhance, and optimize existing COBOL applications to ensure performance, stability, and reliability.
• Investigate production incidents, identify root causes, and implement corrective actions.
• Prepare and maintain technical documentation related to application development, testing, and maintenance.
• Ensure compliance with established development standards, quality requirements, and change management procedures.

Required Qualifications

• Proven experience in COBOL application development and maintenance.
• Strong knowledge of COBOL programming and structured programming principles.
• Ability to analyze functional specifications and translate them into technical implementations.
• Experience with debugging, troubleshooting, impact analysis, and defect resolution.
• Understanding of software development life cycles, testing methodologies, and change management.
• Strong analytical and problem‑solving skills.

Nice to have

• Experience working with mainframe environments, including JCL, DB2, CICS, and SQL.
• Background in banking, financial services, or other transaction-intensive environments.
• Familiarity with application performance optimization and production support.
• Experience with version control, deployment processes, and technical documentation.