Gustavo Islas

Independent freelance specialist with over twenty years of experience in mainframe environments using IBM OS/390, MVS/VM, and z/OS operating systems. My profile focuses on application development for the financial, government, and insurance sectors, utilizing ANS X3.23-1974 & X3.23-1985 standards in TSO, for both batch and online processes in conversational and pseudo-conversational (transactional) modes, as well as IBM 3270 terminal emulation. I have used a wide range of development tools to deliver strategic business solutions, including TSO/ISPF, JCL, VSAM, COBOL, DB2, CICS, IMS-DB, IMS-DC, MQ, REXX, Easytrieve, CTRL+M, JES2, WLManager, SDSF, and SPUFI, among others. I have also participated in data migration projects that have resulted in reduced operating costs and improved efficiency. Currently, I am looking for a 100% remote (totally virtual) opportunity to continue learning and adding value to innovative companies in the banking, finance, and insurance sectors, committed to the quality of their IT services. 100% Fully Remote (Asynchronous, No Hybrid, No On Site).