Senior Software Engineer (Full Stack)

About the Role

The Mastercard Foundry Research & Development team identifies, evaluates, and develops emerging technologies that shape the future of commerce. This role combines hands-on software engineering, technical leadership, technology research, and rapid prototyping.

• Develop full-stack applications and prototypes using modern technologies including React, TypeScript/JavaScript, Node.js, Java, Spring Boot and Python.
• Design, build and maintain scalable frontend applications, backend services and APIs that support new product concepts and innovation initiatives.
• Lead technical initiatives from ideation through implementation, providing architectural guidance and engineering leadership across projects.
• Create architecture diagrams, technical designs, and solution proposals to communicate complex concepts to engineering teams and leadership stakeholders.
• Present technical concepts, prototype outcomes and architectural recommendations to senior engineering, product and business leaders.
• Mentor junior engineers through technical coaching, code reviews, design reviews and engineering best practices.
• Research emerging technologies and evaluate their potential impact on commerce, payments, and digital experiences.
• Develop proof-of-concept solutions that validate new technologies, business opportunities, and product concepts.
• Collaborate with product managers, designers, engineers, researchers, and external partners to bring ideas from concept through market validation.
• Participate in innovation programs and hackathons to create, build, and pitch new product ideas.

Requirements

• Years of hands-on, dedicated software engineering experience with a proven track record of building and delivering production-grade applications.
• Strong frontend development expertise with React and TypeScript/JavaScript, alongside backend development experience using Java, Spring Boot, Python, and Node.js.
• Proven ability to design and build APIs, distributed systems, and cloud-native architectures on AWS, Azure, or Google Cloud Platform.
• Experience producing technical designs, architecture artifacts, and engineering documentation to support scalable solutions.
• Demonstrated leadership in driving technical initiatives and mentoring engineers across the software development lifecycle.
• Ability to quickly learn and apply new technologies to research, prototyping, and product innovation.
• Strong communication skills with the ability to influence and communicate effectively with both technical and non-technical stakeholders.
• Passion for emerging technologies, including Artificial Intelligence, Agentic Systems, AR/VR, Computer Vision, Spatial Computing, and next-generation commerce experiences.

Preferred Qualifications

• Experience with machine learning, generative AI, large language models, or autonomous agent systems.
• Experience participating in innovation programs, startup collaborations, hackathons, or technology research initiatives.
• Curious, forward-thinking mindset with a passion for turning innovative ideas into impactful products and experiences.

Benefits

Mastercard benefits for full time (and certain part time) employees generally include:

• 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.

Mastercard benefits for interns generally include:

• 56 hours of Paid Sick and Safe Time.
• Jury duty leave.
• On-site fitness facilities in some locations.

Pay

New York City, New York: $138,000 - $221,000 USD