Mainframe Cardlink Developer (Cobol)

• Develop, maintain, and enhance mainframe applications using COBOL and related tools

• Analyze, troubleshoot, and resolve issues in Cardlink systems, including transaction flows and integration points

• Collaborate with business analysts and system users to gather and understand business requirements

• Ensure seamless batch and online processing for card-based transaction systems

• Write efficient, well-documented, and testable code

• Perform unit testing, system integration testing, and support UAT (User Acceptance Testing)

• Support production deployments and post-implementation issue resolution

• Ensure high system availability, performance, and reliability

• Create and maintain technical documentation, including functional and technical design specifications

• Collaborate with cross-functional teams, including infrastructure, database, and application support teams

• Stay updated on mainframe technologies and banking/payment trends related to card systems

• Proficiency in COBOL programming (COBOL batch and online processing)

• Experience with JCL, VSAM, CICS, and DB2 in a z/OS mainframe environment

• Strong knowledge of Cardlink application systems (especially in banking/payment processing context)

• Familiarity with card-based transaction processing (ATM, debit/credit card systems, host authorization, switching)

• Understanding of file handling, batch jobs, and real-time processing in mainframe systems

• Ability to analyze complex programs and debug performance or logic issues

• Experience with version control and job scheduling tools on mainframe systems (e.g., Endevor, Control-M)

• Bachelors degree in Computer Science, Information Technology, or a related field

• Minimum 3 years of experience working as a Mainframe Developer, with a focus on Cardlink systems

• Prior involvement in Cardlink system support or enhancement projects is highly preferred

• Strong problem-solving skills and attention to detail

• Excellent communication and documentation skills

• Ability to work independently and in a team environment

• Familiarity with Agile or Waterfall development methodologies is a plus

Information :

• Company : Lawencon International
• Position : Mainframe Cardlink Developer (Cobol)
• Location : Jakarta Selatan
• Country : ID