Lead AI Engineer

Title And Summary

Lead AI Engineer

About Mastercard

Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions. Artificial Intelligence is at the core of our strategy to make Mastercard stronger and commerce safer, smarter and more personal.

The Role

At Mastercard, we’re building next-generation AI-powered platforms to drive innovation and impact. As an AI Engineer, you’ll work with cutting‑edge tools, large language models (LLMs), and emerging frameworks to develop intelligent systems. You’ll collaborate with senior engineers, data scientists, and product teams, gaining hands‑on experience while contributing to real‑world AI solutions. You’ll help implement Agentic AI systems, develop backend services, and explore new AI capabilities. Your focus will include prompt engineering, guardrail design, and experimentation to ensure safe, scalable, and effective AI applications.

Key Responsibilities

• Develop and enhance AI agents and backend systems for Mastercard’s AI platform
• Evaluate LLMs and emerging technologies to identify innovation opportunities
• Design and optimize prompts for LLMs
• Implement safeguards to ensure secure, ethical AI responses
• Build APIs, microservices, and data integrations for AI features
• Write clean, maintainable code following industry best practices
• Stay current with advancements in AI and software engineering

All About You

Why Join Us

At Mastercard, you’ll help shape the future of AI in global commerce—solving complex challenges at scale, driving financial inclusion, and reinforcing the trust and security that define our brand. You’ll work with world‑class talent, cutting‑edge technologies, and make a lasting impact.

Equal Opportunity Statement

Mastercard is a merit‑based, inclusive, equal‑opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting.

Corporate Security Responsibility

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