Senior AI Product Builder: Agentic AI Prototyping & UX

Mastercard Inc.; Rathcoole; On-site; EUR 90,000 - 120,000; Full time

Job summary

Mastercard Foundry R&D is seeking a Senior AI Product Builder to lead the end-to-end design, development and deployment of AI-enabled experiences. You will craft high-fidelity prototypes, validate with users and ship working solutions, building tooling and reusable patterns alongside cross-functional teams.

You’ll own user flows, interaction design, accessibility and the delivery of AI-enabled features from concept to production, collaborating with product, CX, engineering and security to ensure

Qualifications

• Bachelor's degree in CS, Engineering, Design or PM, or equivalent experience.
• Strong front-end skills with React/TypeScript.
• Experience with AI assistants or agents in product development.

Responsibilities

• Own end-to-end UX for a defined product scope.
• Design and build AI-enabled apps and agentic workflows.
• Create high-fidelity prototypes and test with users.
• Evaluate models, frameworks and tools for quality and cost.
• Collaborate with product, CX, engineering and security.

Skills

Product judgment

Experience design

Frontend engineering

React/TypeScript

Education

Bachelor's degree or equivalent

Tools

React

TypeScript

AI tools

Job description

Mastercard Foundry R&D is seeking a Senior AI Product Builder to lead the end-to-end design, development and deployment of AI-enabled experiences. You will craft high-fidelity prototypes, validate with users and ship working solutions, building tooling and reusable patterns alongside cross-functional teams.

You’ll own user flows, interaction design, accessibility and the delivery of AI-enabled features from concept to production, collaborating with product, CX, engineering and security to ensure