Mastercard

Senior Software Engineer Interview Experience - O'Fallon, Missouri

July 21, 2026

Negative ExperienceNo Offer

Process

They asked LeetCode type coding questions and interviewer was rude don't want to explain the question and expected the code to be fully running. Initial screening was ok and technical interview experience was not good.

Questions

Can you explain transactional annotation in brief?

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Interview Statistics

The following metrics were computed from 3 interview experiences for the Mastercard Senior Software Engineer role in O'Fallon, Missouri.

Success Rate

Pass Rate

Mastercard's interview process for their Senior Software Engineer roles in O'Fallon, Missouri is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive33%

Neutral33%

Negative33%

Candidates reported having mixed feelings for Mastercard's Senior Software Engineer interview process in O'Fallon, Missouri.