AS400 (IBM iSeries) Developer/Engineer | Banking

Unison Group; Kuala Lumpur; On-site; MYR 60,000 - 80,000; Full time

Job summary

A leading tech company in Kuala Lumpur seeks an experienced AS400 Developer/Engineer skilled in RPG, COBOL, and CL programming. The candidate will maintain applications and support a stable banking environment through efficient system operations. Successful applicants will have a strong background in AS400 systems, data export processes, and integration with external platforms, and will be responsible for troubleshooting and optimizing performance in a dynamic setting.

Qualifications

• Proven hands-on experience with midrange system operations on AS400.
• Strong understanding of native AS400 database, particularly DB2 for i.
• Expertise in job scripting and automation with Control Language (CL).

Responsibilities

• Develop, maintain, and enhance applications on AS400 platform.
• Work with DB2 for i Native to manage data structures.
• Automate recurring data exports and support external system integration.
• Perform maintenance, troubleshooting, and optimize system performance.
• Analyze and debug production issues to ensure uptime.

Skills

AS400 / IBM iSeries

DB2 for i Native

RPG IV / ILE

COBOL

CL (Control Language)

Operating Systems

Data export, automation

Troubleshooting skills

Job description

We are seeking an experienced AS400 (IBM iSeries) Developer/Engineer with a strong background in RPG, COBOL, and CL programming. This role requires hands‑on experience with AS400 system operations, data export processes, and integration with external platforms. The candidate will be responsible for maintaining existing applications, supporting production activities, and ensuring system stability within a dynamic banking environment.

Key Responsibilities

• Develop, maintain, and enhance applications on the AS400 (IBM iSeries) platform
• Work with DB2 for i Native to manage data structures, queries, and database operations
• Automate recurring data export jobs and support integration with external systems
• Perform system maintenance, troubleshooting, and performance optimization
• Analyze and debug production issues, ensuring minimal downtime.

Must‑Have Skills

• AS400 / IBM iSeries: Proven hands‑on experience with midrange system operations
• DB2 for i Native: Strong understanding of native AS400 database
• RPG IV / ILE: Strong programming and development experience
• COBOL: Proficiency in maintaining and enhancing legacy COBOL applications
• CL (Control Language): Expertise in job scripting, automation, and command‑based operations
• Operating Systems: AS400, AIX, Linux, Windows
• Experience in data export, automation, and integration with external platforms
• Strong troubleshooting, debugging, and problem‑solving skills