Senior Mainframe Developer
Core
Design, develop, and support mainframe-based mortgage servicing solutions, leading technical projects and guiding production support.
Role type
Senior IC mainframe software engineer (COBOL/CICS)
Builds
Mortgage servicing solutions (internal and client-facing)
Domain
Financial services / Mortgage technology
Required skills
COBOL (Batch/CICS), CICS, JCL, REXX, TSO, IDz, ISPW, VSAM, DB2, Assembler, C*, Java, problem-solving, technical leadership, mentoring
Preferred skills
Mortgage/MSP knowledge, FM understanding, AI-assisted development tools (Claude Code)
Technologies
COBOL, CICS, JCL, REXX, TSO, IDz, ISPW, VSAM, DB2, Assembler, C*, Java, IDAMS, FILEAID, XPEDITER, QUIKJOB, LIBRARIAN, RDZ
Responsibilities
Interpret, write, and modify COBOL Batch and CICS programs; Serve as technical lead/architect on projects; Provide and guide production support; Mentor less experienced developers
Seniority
Senior, hands-on IC with leadership responsibilities