Senior AI Product Builder: Agentic AI Prototyper

Mastercard Inc.; Bray (OK); On-site; USD 150,000 - 210,000; Full time

Job summary

Mastercard Foundry is seeking a Senior AI Product Builder to turn opportunities into high‑fidelity, testable experiences using AI agents and modern front‑end tech. You will prototype, validate with users, and push toward production while building reusable tooling and patterns.

You’ll own product scope from concept through validation, collaborating with product, CX, engineering and security to ensure robust, scalable solutions.

Qualifications

• Bachelor’s degree or equivalent practical experience in a relevant field.
• Strong front-end engineering foundations and able to build realistic prototypes.
• Experience with modern web technologies and AI-assisted development tools.
• Ability to frame problems, set priorities and communicate decisions clearly.

Responsibilities

• Own the end-to-end experience for a defined product scope from concept to working build.
• Design and build AI-enabled applications and agentic workflows with high fidelity.
• Develop reusable components and patterns for Mastercard Foundry's catalogue.
• Run user testing, synthesize evidence and translate learnings into iterations.

Skills

Front-end engineering

Prototyping with React

JavaScript/TypeScript

Product judgment

User testing

Interaction design

Design systems

Education

Bachelor’s degree in CS/Engineering/Design/Product Management

Tools

React

TypeScript

AI tools/agents

Job description

Mastercard Foundry is seeking a Senior AI Product Builder to turn opportunities into high‑fidelity, testable experiences using AI agents and modern front‑end tech. You will prototype, validate with users, and push toward production while building reusable tooling and patterns.

You’ll own product scope from concept through validation, collaborating with product, CX, engineering and security to ensure robust, scalable solutions.