Description

Key Responsibilities

Mainframe Development – Credit Card Systems

• Design, develop, and maintain mainframe applications supporting credit card issuing platforms.
• Work across card lifecycle modules, including:
  • Account setup & card origination
  • Authorization & transaction processing
  • Billing, statements, interest & fees
  • Payments, collections, disputes & chargebacks
• Develop and enhance batch and online (CICS) programs for large‐scale transaction processing.

Technical Responsibilities

• Hands‐on development using:
  • COBOL / COBOL II
  • JCL
  • CICS
  • DB2
  • VSAM (KSDS / ESDS)
• Handle job scheduling, restarts, abend resolution, and performance tuning.
• Perform root cause analysis (RCA) for production incidents and implement permanent fixes.

Integration & Platform Support

• Support integrations with:
  • Card networks (Visa / Client)
  • Fraud & risk systems
  • Core banking and downstream systems
• Implement scheme‐mandated and regulatory changes impacting card processing flows.
• Participate in platform upgrades, enhancements, and modernization initiatives.

Testing & Production Support

• Support unit testing, system testing, UAT, and production releases.
• Provide L2 / L3 production support for card applications.
• Prepare and maintain technical documentation and runbooks.

Required Skills & Experience

Must Have

• 6–10+ years of hands‐on Mainframe development experience
• Strong experience in Credit Cards domain (issuer side preferred)
• Expertise in:
  • COBOL, JCL, CICS, DB2, VSAM
  • Batch & online transaction processing
• Experience working in high‐volume, mission‐critical banking systems
• Strong analytical, debugging, and problem‐solving skills

Domain Knowledge (Mandatory)

• Credit card transaction lifecycle
• Authorization, clearing & settlement
• Billing cycles, interest, fees, payments
• Disputes & chargebacks
• Regulatory and card‐scheme driven changes

Good to Have

• Experience with card processing platforms (issuer or processor‐hosted)
• Exposure to mainframe coexistence / modernization programs
• Knowledge of Agile delivery models
• Experience working with global banking clients

Tools & Environment

• z/OS Mainframe
• Scheduling tools (e.g., CA‐7 / Control‐M)
• Change & release management tools

Key Skills

Education

Bachelor's degree