30 years developing software for Bank projects CitiBanamex, using Mainframes UNISYS as development enviroments ( MCP operating system, COBOL74, ALGOL, WFL, and DASDL programming languages, DMSII data base administrator, COMS message administrator for transactional procesing and CANDE, MARC, ODT and UTILITY, windows of UNISYS, applying agile and waterfall methodologies in projects.