Freelancer profile translated to English.

Description

IT professional specialized in Mainframe environments with experience in analysis, development, functional testing, and integration of enterprise applications. Experience in critical financial systems and large-scale corporate environments. Works under Agile methodologies, collaborating with multidisciplinary teams in incident management, evolutions, and end-to-end validations. Strong analytical skills and focus on quality and continuous improvement.

Industry field of expertise

Languages

English
Native or bilingual
Spanish
Native or bilingual

Workplace preferences

Can work on-site

Barcelona (up to 50km)

Volkswagen Financial Systems (Qaracter)
Mainframe Developer
AUTOMOBILE
May 2025 - Today (1 year and 1 month)
Spain
• Development and maintenance of critical financial applications in COBOL.
• Estimation, design, and implementation of functional evolutions and technical improvements.
• Autonomous resolution of production incidents and root cause analysis.
• Execution and monitoring of batch processes (JCL, Control-M).
• Technical decision-making in coordination with the team and stakeholders.
• Increased responsibilities after team reduction (6 → 3 members).
• End-to-end participation: analysis, development, testing, and deployment validation.
COBOL Mainframe CICS Xpediter IBM Db2
Accenture (Proyectos Bancarios)
Mainframe Technical QA
BANKING AND INSURANCE
January 2023 - January 2025 (2 years)
Argentina
• Functional and integration testing in large-scale Mainframe environments.
• Participation in critical payment systems migrations.
• Design and execution of test cases based on functional and technical specifications. Validation of batch processes and data consistency in DB2. Defect management with JIRA and Xray under Scrum methodology.
Functional Testing COBOL Control-M VSAM IBM Db2