06/16/2026 updated
100 % available
IBM iSeries (AS400) Senior Developer with RPG and COBOL
Buenos Aires, Argentina
Only remote
Systems Engineer, University of Belgrano, Buenos AiresOs/400 Operating SystemIBM System ICOBOL (Programming Language)IBM SoftwareIBM I
IBM iSeries (AS400) Development with RPG and COBOL
Over 30 years of experience in IBM iSeries (AS400) development, specializing in RPG Free Format, RPG/ILE, COBOL, CL/CLLE, and full software development life cycle management for mission-critical banking and financial solutions.
SQL and Database Optimization
Expertise in database optimization leveraging SQL and relational architectures, ensuring data integrity within complex enterprise environments.
Full Software Development Life Cycle (SDLC)
Proven management of the complete SDLC including analysis, programming, testing, user training, and post-installation maintenance, with experience in Agile and CMM3 methodologies.
MQ Series and Connect Direct
Practical experience with MQ Series and Connect Direct for enterprise messaging and secure file transfer in banking environments.
ERP and EDI
Knowledge and experience working with ERP systems and EDI standards in enterprise-level projects.
Web Technologies: HTML, CSS, JavaScript
Familiarity with front-end web technologies including HTML, CSS, and JavaScript.
ILE and CL Programming
Extensive use of ILE (Integrated Language Environment) and CL (Control Language) for system programming and automation on IBM iSeries platforms.
Legacy Codebase Analysis
Expert capability in analyzing complex legacy codebases and translating intricate business requirements into high-performance technology solutions.
Over 30 years of experience in IBM iSeries (AS400) development, specializing in RPG Free Format, RPG/ILE, COBOL, CL/CLLE, and full software development life cycle management for mission-critical banking and financial solutions.
SQL and Database Optimization
Expertise in database optimization leveraging SQL and relational architectures, ensuring data integrity within complex enterprise environments.
Full Software Development Life Cycle (SDLC)
Proven management of the complete SDLC including analysis, programming, testing, user training, and post-installation maintenance, with experience in Agile and CMM3 methodologies.
MQ Series and Connect Direct
Practical experience with MQ Series and Connect Direct for enterprise messaging and secure file transfer in banking environments.
ERP and EDI
Knowledge and experience working with ERP systems and EDI standards in enterprise-level projects.
Web Technologies: HTML, CSS, JavaScript
Familiarity with front-end web technologies including HTML, CSS, and JavaScript.
ILE and CL Programming
Extensive use of ILE (Integrated Language Environment) and CL (Control Language) for system programming and automation on IBM iSeries platforms.
Legacy Codebase Analysis
Expert capability in analyzing complex legacy codebases and translating intricate business requirements into high-performance technology solutions.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishFluentItalianGoodPortugueseGoodSpanishNative speaker
Project history
Software full-lifecycle development with RPG, COBOL, ILE, CL, SQL, RPG Free, MQ Series, and Connect Direct. Identifying issues, analyzing information, and providing solutions to problems in a mission-critical banking environment.
Developed software for the regional support centre providing service to Peru, Uruguay, Panama, and Chile branches of the bank, using RPG, COBOL, CL, SQL, and ILE. Maintained applications such as Current Accounts, G/L, Credit and Debit Card, Loans, and Cheque Clearing.