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10,000+ Senior Software Development Engineer jobs in O'Fallon, MO

Senior Software Development Engineer

At Mastercard -O'Fallon, MO

Posted on Nov 27

Software Developer, Senior - 37614

At Alion Science and Technology -Hazelwood, MO

Posted on Nov 16

2025 Summer Intern: Software Engineer

At Spectrum -Maryland Heights, MO

Posted on Dec 3

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Nov 2

2025 Summer Intern: Software Engineer

At Spectrum -Maryland Heights, MO

Posted on Dec 3

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Dec 20

2025 Summer Intern: Software Engineer

At Spectrum -Maryland Heights, MO

Posted on Dec 3

Senior Software Engineer In Test (SDET)

At Mastercard -O'Fallon, MO

Posted on Sep 22

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Jan 7

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Dec 6

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Nov 10

Senior Software Engineer - Moon#059

At Mastercard -O'Fallon, MO

Posted on Jan 11

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Oct 20

Senior Software Engineer

At Mastercard -O'Fallon, MO

Posted on Dec 15

Software Engineer -2-2

At Mastercard -O'Fallon, MO

Posted on Nov 5

Software Engineer II

At Mastercard -O'Fallon, MO

Posted on Jan 17

Software Engineer II

At Mastercard -O'Fallon, MO

Posted on Nov 1

Software Development Engineer II (Test Automation)

At Mastercard -O'Fallon, MO

Posted on Dec 15

Senior Principal Big Data Engineer

At Mastercard -O'Fallon, MO

Posted on Oct 19

Lead Software Engineer

At Mastercard -O'Fallon, MO

Posted on Nov 6