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Lead Front End Developer - Agentic AI Platform

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Mastercard

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Location:
United States

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

130000.00 - 254000.00 USD / Year
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Job Description:

At Mastercard, we’re building an Agentic AI platform to transform how our products and services deliver intelligent, personalized experiences. We are looking for a skilled Lead Front-End Developer to create intuitive, accessible, and engaging user interfaces that connect users seamlessly to AI-powered capabilities. You’ll be responsible for turning design concepts into interactive, production-ready experiences that align with Mastercard’s design standards and deliver exceptional usability. As a Lead Front-End Developer, you will design, develop, and optimize the platform’s user-facing components. You will work closely with UX designers, backend engineers, and AI engineers to ensure the platform’s interface is both visually appealing and functionally robust, following Mastercard’s brand and design guidelines.

Job Responsibility:

  • Front End Development – Build and enhance responsive, user-friendly interfaces for the Agentic AI platform using modern front-end frameworks (e.g., React, Angular, or Vue.js)
  • Design System Alignment – Implement Mastercard’s design guidelines, ensuring brand consistency, accessibility, and usability across the platform
  • Integration – Connect front-end interfaces to backend services and APIs, ensuring efficient data flow and dynamic interactions
  • Performance Optimization – Ensure fast load times, smooth interactions, and scalable design for a variety of devices and browsers
  • Testing & Quality Assurance – Write unit and integration tests and participate in code reviews to maintain high-quality standards
  • Continuous Improvement – Stay up to date with emerging front-end technologies and best practices to enhance platform capabilities

Requirements:

  • Strong proficiency in HTML5, CSS3, JavaScript/TypeScript, and one or more modern front-end frameworks (React preferred)
  • Experience implementing responsive and accessible web applications (WCAG compliance)
  • Familiarity with RESTful APIs and integrating front-end with backend services
  • Understanding of UI/UX principles and ability to collaborate effectively with designers
  • Knowledge of version control tools (e.g., Git) and CI/CD workflows
  • Experience working with design systems or component libraries
  • Passion for delivering clean, maintainable, and scalable code
What we offer:
  • 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

Additional Information:

Job Posted:
January 02, 2026

Employment Type:
Fulltime
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