Average Salary: $90,202 since  

Salaries for a Senior Software Engineer at MasterCard in O'fallon, MO vary between $71,094 and $121,877 with an average of $90,202. The top 25% make a salary of at least $92,000. The median salary is $90,000. Attached is a detailed distribution of the salaries.

Average Salary Evolution between 2012 and present

The average salary for a Senior Software Engineer at MasterCard in O'fallon, MO increased by an average of -8% year over year between 2012 and 2016.
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