Mastercard Software Engineer interview experience

The technical part leaned toward object-oriented design: I was given a multi-step design question and asked to work through it. When I finished, the discussion turned into behavioral prompts where I had to talk about past experiences in the usual “tell me about a time” style.

After that, my experience matched a similar vibe: the format was one live interview with two parts, where the technical section started as a single problem with multiple components and then branched into follow-ups. Once I wrapped up the initial part, the interviewer expanded the scenario and asked how I’d modify the