Senior Cobol Developer
Workplace: Sverige
Expires: August 28, 2025
Responsible for developing and maintaining COBOL-based card and payment processing systems with a focus on Mastercard transaction processing and compliance with ISO messaging standards.
Main requirements:
  • Extensive hands-on experience with COBOL in complex, high-volume environments
  • Expertise in Mastercard transaction processing and related systems
  • Strong understanding and practical experience with ISO 8583 and/or ISO 8585 standards
  • Familiarity with card systems, payment flows, and real-time transaction environments
  • Fluent in English and Swedish
  • Ability to work independently and in team settings
  • Strong problem-solving skills and attention to detail in high-pressure contexts
Responsibilities:
  • Develop and maintain COBOL-based systems supporting card and payment processing
  • Enhance transaction processing flows with emphasis on Mastercard integrations
  • Ensure compliance with ISO 8583 and ISO 8585 messaging standards
  • Collaborate with cross-functional teams to support real-time processing and improvements
  • Troubleshoot and resolve complex issues in payment environments
  • Contribute to system documentation and maintain alignment with industry best practices
Required hard skills:
  • COBOL programming
  • Mastercard transaction processing
  • ISO 8583 messaging standard
  • ISO 8585 messaging standard
  • Payment system flows and real-time transactions
Soft skills:
  • Ability to work independently with minimal supervision
  • Effective collaboration in team settings
  • Strong problem-solving
  • Attention to detail
Coding languages:
  • COBOL
Natural languages:
  • English (Proficient)
  • Swedish (Proficient)