L3 Support Mainframe Developer

Oxydata & TechTalent; Kuala Lumpur; On-site; MYR 100,000 - 201,000; Part time

Job summary

Oxydata Software Sdn Bhd in Kuala Lumpur, Malaysia is seeking an experienced L3 Support Mainframe Developer to provide application support and development services for Cardlink applications in the Cards domain. This onsite contract role requires 3–5 years of Mainframe experience and strong COBOL/CICS skills.

Responsibilities include production support, batch processing with JCL, and working with VSAM datasets.

Qualifications

• Bachelor’s degree in any related discipline.
• Must have legal right to work in Malaysia; visa sponsorship not available.
• 3–5 years of experience in Mainframe application development and support.
• At least 4 years of hands-on experience with COBOL and CICS.
• Strong experience with Mainframe z/OS environments.
• Experience with VSAM and sequential datasets.
• Experience with Cardlink development and delivery.
• Experience in the banking or financial services sector.

Responsibilities

• Provide L3 production support and technical assistance for Mainframe/Cardlink applications.
• Develop, maintain, enhance, and troubleshoot applications using COBOL and CICS.
• Analyse production incidents, defects, and application issues, performing root-cause analysis and implementing solutions.
• Develop and maintain JCL for batch processing and application execution.
• Work with VSAM and sequential datasets for application data processing and troubleshooting.
• Support application testing, deployment, release, and delivery activities.
• Participate in the full software development lifecycle, including requirements analysis, development, testing, implementation, and post-production support.
• 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.

Skills

COBOL

CICS

Mainframe z/OS

VSAM

Cardlink

Banking sector experience

Education

Bachelor’s degree

Tools

IBM DB2

Job description

Work Eligibility: Applicants must have the legal right to work in Malaysia. Visa sponsorship is not available for this position.

Oxydata Software Sdn Bhd established since 2012, helping regional enterprises drive digital transformation through Agentic AI Services, AI Automation & Integration, Data Engineering, AI Training, and IT Managed Services. We are a lean, high-impact team where engineers work directly on cutting-edge AI products serving enterprise clients across Malaysia and the region.

We are seeking an experienced L3 Support Mainframe Developer to provide application support and development services for Cardlink applications in the Cards domain.

L3 Support Mainframe Developer

Location: Kuala Lumpur, Malaysia

Work Mode: Onsite

Employment type: Contract

Experience Level: 3–5 years

Work Eligibility: Applicants must have the legal right to work in Malaysia. Visa sponsorship is not available for this position.

Oxydata Software Sdn Bhd established since 2012, helping regional enterprises drive digital transformation through Agentic AI Services, AI Automation & Integration, Data Engineering, AI Training, and IT Managed Services. We are a lean, high-impact team where engineers work directly on cutting-edge AI products serving enterprise clients across Malaysia and the region.

We are seeking an experienced L3 Support Mainframe Developer to provide application support and development services for Cardlink applications in the Cards domain.

Responsibilities

• Provide L3 production support and technical assistance for Mainframe/Cardlink applications.
• Develop, maintain, enhance, and troubleshoot applications using COBOL and CICS.
• Analyse production incidents, defects, and application issues, performing root-cause analysis and implementing solutions.
• Develop and maintain JCL for batch processing and application execution.
• Work with VSAM and sequential datasets for application data processing and troubleshooting.
• Support application testing, deployment, release, and delivery activities.
• Participate in the full software development lifecycle, including requirements analysis, development, testing, implementation, and post-production support.
• 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.

Requirements

Must-have:

• Bachelor’s degree in any related discipline.
• Applicants must have the legal right to work in Malaysia. Visa sponsorship is not available for this position.
• Minimum 3–5 years of experience in Mainframe application development and support.
• At least 4 years of hands‑on experience developing applications using COBOL and CICS.
• Strong experience with Mainframe z/OS environments.
• Experience working with VSAM and sequential datasets.
• Experience with Cardlink development and delivery.
• Experience in the banking or financial services sector.

Nice-to-have:

• Experience with REXX scripting in mainframe environments.
• Familiarity with IBM DB2 database management on z/OS.
• Experience supporting mission‑critical banking applications with 24/7 uptime requirements.
• Good understanding of SDLC processes and software delivery practices.

Why Join Us

• Join a dynamic team supporting mission‑critical banking applications and gain exposure to complex mainframe environments in the financial sector.
• Opportunity to work with experienced professionals, contribute to high-impact projects, and further develop your technical expertise in a collaborative and fast‑paced environment.