Jobs / Ireland / Mastercard International Incorporated
Agentic AI - Senior AI Product Builder
Mastercard International Incorporated · 🌍 Dublin, Ireland
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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.
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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 Agentic AI - Senior AI Product Builder 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. Overview Mastercard Foundry R&D is looking for a Senior AI Product Builder to join the Agentic AI Engineering team. This is a hands-on role for someone who cares deeply about how things look, feel and work, and who wants to apply Generative and Agentic AI to real products. You'll take a product opportunity and turn it into a working, high-fidelity experience that people want to use, test it with real users, and carry it towards production. Along the way you'll help build the tooling, services and reusable patterns that let teams across Mastercard experiment with, validate and scale AI-enabled solutions. You'll design and build in the same motion, using modern web technologies and AI agents to get from idea to something clickable in days. The quality bar is high. We want the kind of work people screenshot and send to a colleague. You'll work within a pod where a product lead sets the outcome and direction. You'll own the experience within it. Role Own the end-to-end experience for a defined product scope: user flows, interaction design, visual quality and the working build. Design and build AI-enabled applications, agentic workflows and developer-facing capabilities, from concept through validation. Build working, high-fidelity prototypes using modern front-end technologies and AI-assisted development tools. Real enough to test, clean enough to hand over. Sweat the details. States, transitions, empty screens, error handling, loading, responsive behaviour and accessibility all get the same care as the happy path. That includes the AI-specific ones: streaming, latency, uncertainty, and what the user sees when an agent gets it wrong. Use Mastercard's design system to assemble accessible, coherent experiences, and partner with CX to propose new patterns when the system doesn't cover the need. Direct AI agents across design exploration, prototyping, testing and documentation. Give them the context, constraints and evaluation criteria they need to produce dependable work. Evaluate models, frameworks and tools across quality, cost, latency, reliability and maintainability, and be clear about what you're trading. Run and take part in user testing, synthesise the evidence and recommend what to change, stop or carry forward. Develop reusable components, patterns, services, agents and skills for Foundry's shared catalogue so other teams can start from proven work. Improve developer experience through automation, AI-assisted workflows and platform thinking. Partner with product, CX, engineering and business stakeholders to turn ideas into working solutions, and communicate decisions, risks and results clearly. Share learnings, prototypes and best practices across the o