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Mastercard Logo Mastercard · IT - Software Development

Senior Software Engineer - COBOL

Denmark, Ballerup · Job Posted April 16, 2026
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Job Description

The Danish Clearing team is looking for a Senior Software Engineer to be part of an existing team of 4 other colleagues, with responsibility for both maintenance and development of two critical clearing services.

Job Responsibility

  • Collaborate with Product and Business stakeholders to prioritize team initiatives and participate in planning discussions
  • Estimate, own, and execute all phases of delivery—including design, development, testing, deployment, configuration, and documentation—to fulfill business requirements
  • Lead code, design, and process trade-off discussions within the team, ensuring optimal solutions are chosen
  • Monitor status, proactively report progress, and manage risks for assigned applications or services
  • Drive the integration of services with a strong focus on enhancing customer journey and overall experience
  • Mentor and support new or less-experienced team members and promote the adoption of technology standards and best practices through code reviews and knowledge sharing
  • Take part in the on-call duty activities
  • Share and seek knowledge within their Guild/Program to drive reuse of patterns/libraries/practices and enhance productivity

Requirements

  • Relevant education in IT or relevant experience from previous jobs
  • Intermediate experience with COBOL (z / OS, Endevor, JCL, OPC / IWS, Easytrieve)
  • A solid understanding of SQL on DB2
  • Experience with application analysis to resolve issues and seek improvements
  • Skilled at explaining technical problems succinctly and clear
  • Experience with Jira and Kanban/Scrum development methodologies
  • Speaks and writes fluent English and Danish

Nice to have

  • Experience with AQT and CA DB2 support tools
  • Experience in working with sourcing partners and virtual teams
  • You communicate professionally and proactively with business and other stakeholders
  • You are naturally part of a close team collaboration
  • You create commitment and motivation in your colleagues
  • You work committed and professionally
  • Intermediate experience with Java
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