• Programming Languages: IBM RPG (Fixed, Free and Fully-free), CL (CLLE and CL/400), SQLRPGLE
• Database: SQL (IBM DB2 for I, PostgreSQL, MySQL, and MS SQL Server)
• Web services:
o API: SOAP and REST
o Data Exchange: JSON, XML, URI, CSV, FTP
o Security: HTTPS, SSL, OpenSSL
• Version Control: Git, Rocket’s ACMS and Tortoise SVN
• Tools & Technologies: IBM ACS, IFS, Postman, and ProfoundUI
• Auxiliary Tools: VB Script, Source Debugger and MS Office