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Mastercard Logo Mastercard · IT - Software Development

Lead Software Engineer (Backend / Platform – Agentic AI)

Ireland, Dublin 18 · Job Posted May 29, 2026
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Job Responsibility

  • Lead day to day systems development and maintenance activities of the team to meet service level agreements (SLAs) and create solutions with high level of innovation, cost effectiveness, high quality and faster time to market
  • Accountable for full systems development life cycle including creating high quality requirements documents, use-cases, design and other technical artifacts including but not limited to detailed test strategy/test design, performance benchmarking, release rollout and deployment plans, contingency/back-out plans, feasibility study, cost and time analysis and detailed estimates
  • Collaborate with Architects, fellow Leads, Developers, Business Analysts & Product Owners in Dublin & other Mastercard locations
  • Develop high-quality, secure, scalable and maintainable Java-based software solutions
  • Apply best practices for automated testing, automated code quality, automated delivery & automated monitoring
  • Mentor the senior & junior engineers on your team through sound technical advice, UML documentation & code reviews
  • Assist with troubleshooting production incidents & channel learnings back into the development stream to mitigate future customer impact
  • Participate in PoCs (Proof of Concept) and help the Department with selection of Vendor Solutions, Technologies, Methodologies and Frameworks
  • Collaborate with vendor resources for support of products
  • Conduct brownbag sessions on new and upcoming technologies, methodologies and application appropriate frameworks
  • Actively look for opportunities to enhance standards and improve process efficiency
  • Perform Quality Inspections and Walkthroughs throughout the SDLC including Requirements Review, Design Review, Code Review and Security Review to ensure compliance with Mastercard and PCI standards
  • Work as part of a co-located Agile SCRUM team

Requirements

  • A wide breadth and depth of technical experience using Java/JEE
  • Strong Linux and shell scripting
  • Oracle & PL/SQL and advanced SQL scripting
  • Spring Framework (including Spring Boot)
  • Web Services – REST/XML/JSON

Nice to have

  • Experience using Python
  • Experience designing agentic AI systems using LangChain/LangGraph (or equivalent), including multi-step tool orchestration, state management, evaluation, and governance patterns
  • Messaging – MQ and JMS
  • Experience integrating vendor and open source products into an overall system
  • Experience working with containerised environments, such as Kubernetes/OpenShift/CloudFoundry
  • Experience with integration frameworks such as Apache Camel/Spring Integration
  • Experience with monitoring service performance
  • Experience with visual design tools (Visio, Confluence Gliffy, etc.)
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