Senior Principal Software Engineer, Software Builder Enablement

Mastercard•East Brunswick, NJ

4d•Remote

About The Position

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. The Mastercard Software Builders Experience (MSBX) team is looking for a Senior Principal Software Engineer to help drive our developer experience strategy forward by consistently innovating and problem-solving. The ideal candidate is passionate about empowering software engineers, highly motivated, intellectually curious, and thrives in a collaborative environment. This role is central to enhancing the experience of Mastercard's software builders by simplifying development workflows, improving operational tooling, and enabling faster speed to market through scalable, secure, and intuitive solutions.

Requirements

Fluent in AWS CDK, Azure Bicep and Terraform
Fluent in Java, Python or GO
Proven history of building open-source software
Experience in Building Development Portals such as Backstage, Rapid Desktop Environments, Cloud Desktops for Developers, CI/CD pipelines and test frameworks
AWS or Azure Professional Certification

Responsibilities

Design and implement tools and services that streamline software development, deployment, and operational workflows across Mastercard
Collaborate with engineering guilds, SIGs, and product teams to identify friction points and co-create solutions that improve the builder experience Build and maintain scalable, secure, and compliant systems that adhere to Mastercard's architectural and engineering standards
Surface actionable insights within developer tools to enable data-driven decision-making and reduce cognitive overhead
Participate in open contribution models, reviewing and integrating community-driven enhancements to the MSBX platform
Drive experimentation and innovation by leveraging Mastercard's scale while maintaining clear guardrails to protect customer trust
Engage in continuous learning and share knowledge through internal forums, learning sessions, and roadshows
Ensure all solutions are testable, observable, and auditable, supporting Mastercard's compliance and security requirements
Abide by Mastercard's security policies and practices
Ensure the confidentiality and integrity of the information being accessed
Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

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

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