Mainframe Developer L3 application support -Cobol,CICS,Cardlink

RAPSYS TECHNOLOGIES PTE LTD; Kuala Lumpur; On-site; MYR 100,000 - 150,000; Full time

Job summary

RAPSYS TECHNOLOGIES PTE LTD in Kuala Lumpur is seeking a Mainframe Developer for L3 application support and development. The role focuses on Cardlink applications within a banking environment, leveraging COBOL/CICS on a z/OS platform.

The ideal candidate will maintain and enhance mission-critical systems, perform root-cause analysis on production issues, and ensure changes follow SDLC and change management practices. A strong background in JCL, Easyretrieve, and VSAM is required.

Qualifications

• 3–5 years of Mainframe development and support experience.
• At least 4 years hands-on COBOL/CICS development experience.
• Strong experience with Mainframe z/OS environments.
• Hands-on JCL experience.
• Working knowledge of Easytrieve.
• Experience with VSAM and sequential datasets.
• Cardlink development and delivery experience is mandatory.
• Experience in banking/financial services sector.
• Solid understanding of SDLC and software delivery practices.

Responsibilities

• Provide L3 production support for Mainframe/Cardlink applications.
• Develop, maintain, and troubleshoot COBOL/CICS applications.
• Analyze incidents and perform root-cause analysis.
• Implement fixes and enhancements following development standards.
• Develop and maintain JCL for batch processing.
• Work with Easytrieve for reporting and data extraction.
• Collaborate with QA, infra, and business teams to deliver enhancements.
• Prepare and maintain technical documentation and support procedures.

Skills

Mainframe development

COBOL/CICS

z/OS

JCL

Easytrieve

VSAM

Cardlink

Banking domain

SDLC

Tools

JCL

Easytrieve

VSAM

Job description

We are looking for a skilled Mainframe Developer to join our team in Kuala Lumpur. As an L3 Application Support specialist, you will play a vital role in maintaining and enhancing mission-critical systems using Cobol, CICS, and Cardlink technologies. If you have a passion for problem-solving and supporting high-impact applications, we'd love to hear from you!

What You'll Do:

Job Summary:

We are seeking a Mainframe Developer to provide L3 application support and development services for Cardlink applications within the Cards domain. The successful candidate will be responsible for application maintenance, production support, defect resolution, development enhancements, and delivery activities in a Mainframe z/OS environment.

The ideal candidate should have strong hands-on experience in COBOL/CICS development, Cardlink applications, and banking environments, with a good understanding of SDLC processes and change management practices.

Key Responsibilities:

Provide L3 production support and technical assistance for Mainframe/Cardlink applications.

Develop, maintain, enhance, and troubleshoot applications using COBOL and CICS.

Analyze production incidents, defects, and application issues and perform root‑cause analysis.

Implement fixes, enhancements, and technical solutions while following established development standards.

Develop and maintain JCL for batch processing and application execution.

Work with Easyretrieve for reporting, data extraction, and related Mainframe processing requirements.

Work with VSAM and sequential datasets for application data processing and troubleshooting.

Support application testing, deployment, release, and delivery activities.

Participate in SDLC activities including requirements analysis, development, testing, implementation, and post‑production support.

Follow banking change management, release management, and operational processes.

Collaborate with QA, application support, business, infrastructure, and other technical teams to resolve issues and deliver enhancements.

Prepare and maintain technical documentation, support procedures, and application specifications.

Ensure production changes are implemented safely and in accordance with established controls and procedures.

Required Skills:

3-5 years of experience in Mainframe application development and support.

At least 4 years of hands‑on experience developing applications using COBOL/CICS.

Strong experience with Mainframe z/OS environments.

Hands‑on experience with JCL.

Working knowledge of Easyretrieve.

Experience working with VSAM and sequential datasets.

Experience with Cardlink development and delivery is mandatory.

Experience in the banking/financial services sector.

Good understanding of SDLC processes and software delivery practices."