Mainframe Developer API & Digital Interfaces - Cards

#LI-GM

SN900 WO#10 Cards

Job Title: Mainframe Developer
Domain: Cards
Sub-Domain: API & Digital Interfaces
Years of Experience: Junior (L2, 3-5 years)
Location: Kuala Lumpur

Job Summary:
We are seeking a Junior Developer (L2, 3-5 years) with expertise in Mainframe Cobol, CICS, and JCL to support Cards API & Digital Interfaces. The role involves developing and maintaining Mainframe-based API integrations for CardLink / Vision Plus, working with VSAM datasets, and handling CICS transactions, IBM MQ, and Control-M scheduling tools. The ideal candidate should have experience integrating JSON, HTML, and API-based interactions for seamless digital banking and payment solutions.

Key Responsibilities:

• Develop and maintain Mainframe-based APIs for CardLink / Vision Plus using Cobol, CICS, and JCL.

• Manage VSAM datasets for card transaction processing.

• Ensure seamless integration with APIs, utilizing IBM MQ for messaging and communication.

• Handle job scheduling and automation using Control-M.

• Work closely with digital banking teams to enhance API-driven card transaction processing.

• Troubleshoot and optimize CICS transactions and API calls.

Must-Have Skills:

• Advanced CICS expertise, including transaction processing and debugging.

• Strong proficiency in Cobol, JCL, and VSAM on Mainframe ZOS.

• Experience in API integrations and IBM MQ for message handling.

• Familiarity with JSON, HTML, and modern digital banking interfaces.

• Knowledge of Control-M for job scheduling and automation.

• Strong problem-solving skills with high integrity in work.

• Good-to-Have Skills:

• Experience with Vision Plus / CardLink card processing systems.

• Understanding of RESTful APIs and digital payment architectures.

• Qualifications:

• 3-5 years of experience in Mainframe development within the Cards domain.

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