Lead Software Engineer

Mastercard · O'Fallon, Missouri

onsitefull-time6-10 years

posted 22h

Our Purpose 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. Title and Summary Lead Software Engineer Our Purpose We connect and power an inclusive digital economy that benefits everyone, everywhere. We enable safe, simple, smart, and accessible transactions through secure data, strong networks, partnerships, and innovation. Our culture is driven by our Decency Quotient (DQ), fostering inclusion, respect, and diversity. We believe that diverse perspectives strengthen decision-making, drive innovation, and deliver better business outcomes. About the Role The Mastercard Authentication Program owns how consumer authentication works for both in-store and e-commerce transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-commerce transactional use cases that will drive uptake and penetration for the products and revenue for Mastercard. The authentication products that fall within this role’s responsibilities are ID Check, Token Authentication Service and Token Authentication Framework. If you want a challenging project that is changing the way people make payments, this is the role for you! Role As a Lead Software Engineer, you will be responsible for: • Design and develop secure, reliable, and scalable solutions for globally distributed customer-facing products • Support development teams and work with stakeholders, promoting agile development • Create a culture of technical excellence and innovation • Research, create and evaluate technical solution alternatives for business needs using current and emerging technologies and frameworks • Drive advanced testing strategies including automation, chaos engineering, and resilience testing to validate system behavior under failure conditions • Remain hands-on by contributing to code, including building services, APIs, and writing unit, integration, and acceptance tests as well as architecture fitness functions • Work with business/product owners to architect and deliver new services to introduce new products and bundles • Participate in and contribute to team agile processes, including prioritization, trade-offs, and delivery planning • Drive architectural design, including dependent services, service interactions, and policies • Take ownership of improving the customer experience across a portfolio of services and applications • Contribute and lead initiatives by mentoring engineers at all levels to improve software engineering craftsmanship • Consult across teams and organizational boundaries to identify synergies and reuse opportunities • Conduct technical interviews and help raise the engineering talent bar Code Quality & Review Responsibilities • Conduct and lead code reviews, ensuring adherence to coding standards, performance optimization, security best practices, and maintainability • Establish and enforce code quality governance practices, including static analysis, peer reviews, and secure coding guidelines • Mentor engineers through code reviews, promoting clean code principles, reusable design, and continuous improvement • Drive consistency in development standards across teams and ensure high-quality, production-ready deliverables Engineering Excellence & Fundamentals • Apply strong data structures and algorithms knowledge to design efficient, scalable, and high-performance systems • Optimize application performance through effective use of data modeling, memory management, and algorithmic efficiency • Make informed design trade-offs based on computational comp