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Mastercard · 2 months ago

Principal AI Engineer

Arlington, Virginia

Full-time

Onsite

Lead/Staff

$170K/yr - $273K/yr

Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. As a Senior AI Engineer, you will work hands-on with cutting-edge AI tools to develop intelligent systems that power Mastercard's platform, focusing on implementing Agentic AI systems and experimenting with new AI capabilities.

FinanceFinancial ServicesInformation TechnologyPayments

Growth Opportunities

H1B Sponsor Likely

Responsibilities

Agentic AI Development – Build and enhance AI agents and backend systems that power Mastercard’s AI platform

Experimentation & Evaluation – Test and evaluate new LLMs, emerging AI technologies, and frameworks to identify opportunities for innovation

Prompt Engineering – Design, refine, and optimize prompts for LLMs to achieve desired outputs

Guardrail Development – Implement safeguards to ensure AI responses are accurate, secure, and aligned with ethical guidelines

Backend Engineering – Contribute to the development of APIs, microservices, and data integrations for AI-powered features

Best Practices in Software Development – Write clean, maintainable, and well-documented code following industry standards

Continuous Learning – Stay current with the latest developments in AI, LLMs, and software engineering best practices

Qualification

AI/ML conceptsPythonBackend developmentREST APIsCloud environmentsEagerness to learnProblem-solvingCollaboration

Required

Strong hands-on experience with AI/ML concepts, with a passion for working with LLMs and generative AI

Professional hands-on experience with Python and backend development frameworks (e.g., FastAPI, Flask, Node.js)

Understanding of REST APIs and cloud environments (AWS, Azure, or GCP)

Strong problem-solving and analytical skills, with curiosity for exploring new AI capabilities

Comfortable working in a collaborative environment and open to feedback and mentorship

Eagerness to learn prompt engineering, AI safety/guardrail development, and large-scale AI deployment

Benefits

Insurance (including medical, prescription drug, dental, vision, disability, life insurance)

Flexible spending account and health savings account

Paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)

80 hours of Paid Sick and Safe Time

25 days of vacation time and 5 personal days, pro-rated based on date of hire

10 annual paid U.S. observed holidays

401k with a best-in-class company match

Deferred compensation for eligible roles

Fitness reimbursement or on-site fitness facilities

Eligibility for tuition reimbursement

Company

Mastercard

Glassdoor4.2

Mastercard is a financial network that processes payments between banks and cardholders.

Founded in 1966

Purchase, New York, USA

10001+ employees

http://www.mastercard.com

H1B Sponsorship

Mastercard has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (540)

2024 (319)