Mainframe Developer resume example

This example resume shows a mid-level Mainframe Developer with solid experience in legacy systems modernization and batch processing. It suits professionals looking to highlight specific technical metrics and hands-on operational improvements.

Mid level example. The person, employers and figures are invented. Use your own real numbers.

Marcus Vance
Mainframe Developer
marcus.vance@example.com·(555) 010-0199·Chicago, IL
SUMMARY
Mainframe Developer with 5 years of experience building and maintaining robust COBOL applications on z/OS environments. Skilled in DB2 database optimization, CICS transaction management, and reducing batch window runtimes. Focused on stabilizing financial transaction pipelines and supporting legacy modernization initiatives.
EXPERIENCE
Mainframe DeveloperMar 2023 – Present
Apex Financial Systems · Chicago, IL
•Maintained 140 COBOL programs processing 2.5 million financial transactions a night.
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██████Jun 2021 – Feb 2023
██████ · Milwaukee, WI
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SKILLS
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EDUCATION
██████Aug 2017 – May 2021
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CERTIFICATIONS
██████ · 2022
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