Jobs / Ireland / Mastercard International Incorporated
Senior Principal, Software Engineering
Mastercard International Incorporated · 🌍 Dublin, Ireland
Sponsorship verdict
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- Can’t check pay against the visa rulesNo salary stated. Ireland Critical Skills Employment Permit needs at least €40,904 a year (General Employment Permit: €36,605). Source: https://enterprise.gov.ie/en/what-we-do/workplace-and-skills/employment-permits/permit-types/critical-skills-employment-permit/, rules effective 2026-03-01.
- Confirmed live todayWhen a source last listed this job as open.
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Sponsor Radar — Mastercard International Incorporated
No government sponsor record covers this employer in this country.
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About the role
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Principal, Software Engineering Overview Mastercard is looking for a talented Senior Principal, Software Engineering to join the Mastercard Foundry Research and Development team at our Dublin Tech Hub. In this role, you will be an established technical expert and thought leader, helping shape and deliver complex, enterprise-scale software solutions across products, services, and platforms. You will provide deep technical leadership as an individual contributor, influencing architecture, design, development, testing, deployment, and operational excellence across complex systems. You will partner closely with business, product, engineering, architecture, and technology stakeholders to translate strategic objectives into scalable, secure, resilient, and high-quality software solutions. Responsibilities * Serve as an established expert and thought leader in Software Engineering, applying deep technical expertise to solve complex problems and drive achievement of key goals and initiatives. * Lead the design and delivery of complex software solutions spanning multiple services, applications, or programs, ensuring alignment with business needs and organizational standards. * Translate complex functional and non-functional requirements into scalable, secure, resilient, and maintainable software designs. * Drive architectural decisions and technical design discussions across teams, ensuring solutions align with long-term platform vision, enterprise standards, and future scalability. * Partner with business and product owners to architect and deliver new services, products, and capabilities that create customer and business value. * Estimate, plan, and own delivery of engineering work across design, development, testing, deployment, configuration, documentation, and operational readiness. * Review design, code, test, and deployment artifacts to uphold high standards of correctness, quality, security, performance, and maintainability. * Proactively diagnose and resolve complex production, security, customer-experience, and performance issues, using root-cause analysis and preventative improvements. * Champion automation across build, deployment, testing, observability, and operational workflows to improve reliability, reduce manual effort, and accelerate delivery. * Contribute to strategic technical decisions, influencing product direction, system architecture, engineering practices, and technology roadmaps. * Drive adoption of Mastercard software engineering standards, secure coding practices, API standards, testing practices, and SDLC excellence. * Identify opportunities to simplify architectures, reduce technical debt, improve cost efficiency, and increase reuse of common platforms, services, and libraries. * Consult across teams and organizational boundaries to identify synergies, resolve enterprise-wide technical challenges, and promote consistent engineering practices. * Contribute to Software Engineering guilds, architecture forums, technical communities, and other initiatives that grow global expertise and elevate engineering craftsmanship. Experience * Considered an established expert and thought leader in Software Engineering with a strong track record of technical impact as an individu