

Porto, Portugal
Senior COBOL & Mainframe Engineer | Banking & ERP Systems
Local Time - 10:03 AM
About Me
Senior COBOL & Mainframe Engineer with 35+ years of experience in banking, insurance and ERP/financial systems. I design, maintain and modernize business‑critical COBOL applications on IBM mainframe, working with COBOL, DB2, JCL and CICS in highly regulated environments.
I am used to analysing large legacy codebases, troubleshooting complex production issues and improving performance and reliability of batch and online processes. I work closely with business users and IT teams to understand requirements and deliver stable, well‑documented solutions.
Key strengths:
Legacy COBOL maintenance and modernization
DB2 and JCL for reliable, high‑volume batch processing
Core banking / financial applications data integrity, audits, compliance
Clear communication, documentation and long‑term support
Available for remote projects where solid COBOL/mainframe expertise can protect and evolve your legacy systems.
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$50/hr
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