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10,000+ Gen Ai Platform Principal Software Engineer jobs in O'Fallon, MO

Software Engineer II (Testing Focus / Cucumber / Rest Assured)

At Mastercard -O'Fallon, MO

Posted on May 30

Strategic Student Program: Derivative Content Marketing Internship (Fall 2025, GSM)

At Siemens Digital Industries Software -Maryland Heights, MO / Remote

Posted on Jun 21

Senior Software Engineer (Testing Focus)

At Mastercard -O'Fallon, MO

Posted on Feb 12

Senior Software Engineer (Hadoop, Java, Data)

At Mastercard -O'Fallon, MO

Posted on Apr 10

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on May 17

Principal Technical Program Manager

At Mastercard -O'Fallon, MO

Posted on Jun 4

Director Software Engineering - Settlement

At Mastercard -O'Fallon, MO

Posted on May 1

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on May 14

Director, Software Engineering, Treasury Management

At Mastercard -O'Fallon, MO

Posted on May 1

Senior Software Engineer, Vulnerability Management

At Mastercard -O'Fallon, MO

Posted on Jun 20

Senior Software Engineer (Testing Focus)

At Mastercard -O'Fallon, MO

Posted on Mar 2

Software Engineer II (Hadoop, Java, Data)

At Mastercard -O'Fallon, MO

Posted on May 4

Lead BizOps Engineer

At Mastercard -O'Fallon, MO

Posted on Apr 13

BizOps Engineer I

At Mastercard -O'Fallon, MO

Posted on May 2

Director, Software Engineering

At Mastercard -O'Fallon, MO

Posted on May 21

Lead BizOps Engineer

At Mastercard -O'Fallon, MO

Posted on Jun 13

Senior BizOps Engineer

At Mastercard -O'Fallon, MO

Posted on Jun 19

BizOps Engineer II

At Mastercard -O'Fallon, MO

Posted on Jun 19

BizOps Engineer II

At Mastercard -O'Fallon, MO

Posted on May 1

BizOps Engineer II

At Mastercard -O'Fallon, MO

Posted on Apr 2