L3 Support Mainframe Developer

Oxydata Software Sdn Bhd; Kuala Lumpur; On-site; MYR 90,000 - 150,000; Part time

Job summary

Oxydata Software Sdn Bhd, established since 2012, seeks an experienced L3 Support Mainframe Developer in Kuala Lumpur to support and develop Bankcard applications. Location is on-site in Kuala Lumpur, Malaysia, with a contract engagement and 3–5 years of experience in mainframe environments.

You will work on COBOL/CICS development, JCL batch processing, and mainframe data handling (VSAM). The role involves SDLC participation and collaboration with multiple teams to ensure stable production

Qualifications

• Bachelor's degree in a related discipline.
• Minimum 3 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.
• Good understanding of SDLC processes and software delivery practices.

Responsibilities

• Deliver 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.
• Utilise Easytrieve for reporting, data extraction, and 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.
• 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

Education

Bachelor's degree in any related discipline

Tools

JCL

Easytrieve

IBM Tivoli

CA OPS/MVS

RACF

Top Secret

Job description

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 critical application support and development for Cardlink applications within the banking sector.

L3 Support Mainframe Developer

Location: Kuala Lumpur, Malaysia

Work Mode: Onsite

Employment type: Contract

Experience Level: 3-5 years

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 critical application support and development for Cardlink applications within the banking sector.

Responsibilities

• Deliver 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.
• Utilise Easytrieve for reporting, data extraction, and 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.
• 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.
• Minimum 3 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.
• Good understanding of SDLC processes and software delivery practices.

Nice-to-have

• Experience with Mainframe automation tools such as IBM Tivoli or CA OPS/MVS.
• Familiarity with mainframe security solutions (e.g. RACF, ACF2, or Top Secret).
• Experience supporting card payment systems or ISO 8583 messaging standards.

Why Join Us

• Be part of a dynamic team supporting mission-critical banking applications and gain exposure to leading mainframe technologies.
• Opportunity to work in a collaborative environment, contribute to impactful projects, and further develop your expertise in the financial services sector.

We are local 100% Malaysian-owned MSC status company established in 2006 serving ASEAN region. Our core competencies are in IT Managed Services, Dev/Ops, Outsourcing, Analytics development services, and Microsoft Platform development such as SharePoint, Power Platform, Dynamics CRM, and .NET/Mobile Application development. We help our clients to realize their results through digital transformation using our innovative IT services and software solutions.

We are local 100% Malaysian-owned MSC status company established in 2006 serving ASEAN region. Our core competencies are in IT Managed Services, Dev/Ops, Outsourcing, Analytics development services, and Microsoft Platform development such as SharePoint, Power Platform, Dynamics CRM, and .NET/Mobile Application development. We help our clients to realize their results through digital transformation using our innovative IT services and software solutions.