Mainframe Developer @ ITFS Sp. z o.o.
Contractor via own company (B2B)
Core
Designing, building, and maintaining critical business applications on the IBM Mainframe platform.
Role type
Mainframe Developer
Builds
Advanced applications supporting daily operations on IBM Mainframe
Domain
Banking/Finance (implied by ITFS) + Mainframe technology
Required skills
COBOL, JCL, CICS, z/OS, DB2, SQL
Preferred skills
On-call rotation readiness
Technologies
IBM Mainframe, DB2, CICS, z/OS
Responsibilities
Develop and maintain critical business systems on IBM Mainframe, Analyze business requirements and design solutions, Optimize applications for performance, reliability, and security, Resolve production issues, Participate in rotational on-call shifts