Mastercard is seeking a Lead Software Engineer in O'Fallon, MO to serve as a technical leader and SME. You will design, develop, and maintain secure, scalable software while promoting engineering best practices across the SDLC.
The ideal candidate will guide architecture decisions, mentor team members, and drive high-quality delivery. Strong focus on performance, reliability, and security. This role emphasizes collaboration with cross-functional partners and continuous improvement.
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