• Senior Principal Software

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Ethoca, a ... Mastercard company, seeking a Senior Principal Software Engineer to provide technical leadership, architectural direction, and hands-on expertise in… more
    Mastercard (10/09/25)
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  • Senior Principal Software

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Mastercard's ... Business & Market Insights (B&MI) is seeking a Senior Principal Software Engineer to lead the design and development of advanced software solutions… more
    Mastercard (10/16/25)
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  • Sr Principal Software

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Sr Principal Software Engineer Overview: Architecture &Technology (A&T) ... is a team of specialists and senior engineers who reach across Programs and teams across...from the Guild. The Role: As an A&T Sr Principal Software Engineer you will… more
    Mastercard (09/17/25)
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  • Principal Software Engineer

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal Software Engineer (Solution Architect) Principal ... focused on delivering next-generation consumer payment experiences. We are seeking a Principal Engineer to lead solution architecture and rapid concept… more
    Mastercard (10/21/25)
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