Mastercard Software Engineer Intern
London, UK·171 interview reviews·Medium difficulty
Software Engineer Intern Interview Reviews
171Online assessment was difficult, but the final round technical was just 2 leetcode questions. Studying tagged questions and general leetcode helps a lot. Interviewer was friendly and wanted me to succeed.
“Design Rate Limiter - Implement an API rate limiting system”
Just one round with 2 LC hards in 45 min. It wasn't too bad at all — if you've done a lot of LC you're gonna be fine. Make sure to check off your approach with the interviewer before you begin implementing.
“Clone Graph - Create a deep copy of an undirected graph”
Just one round with 2 LC hards in 45 min. It wasn't too bad at all — if you've done a lot of LC you're gonna be fine. Make sure to check off your approach with the interviewer before you begin implementing.
“Tell me about a time when you had to work with a difficult team member”
Online assessment was difficult, but the final round technical was just 2 leetcode questions. Studying tagged questions and general leetcode helps a lot. Interviewer was friendly and wanted me to succeed.
“Valid Parentheses - Determine if the input string has valid bracket pairs”
Applied online and heard back in about a week. The technical interview was 45 minutes with two coding problems. Focus on time complexity and edge cases. The behavioral portion was brief but important.
“Two Sum variant and string manipulation”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Software Engineer Intern at Mastercard?
The interview difficulty is rated 2.5/5 by candidates. 72% report a positive experience. Focus on Data Structures, Algorithms, System Design to improve your chances.
How long does the Mastercard Software Engineer Intern hiring process take?
The process typically takes 2–6 weeks from application to final decision, depending on the hiring cycle and team availability.
What is the interview process like?
Most candidates go through a recruiter screen, followed by technical coding rounds, and a final interview loop. 63% of candidates applied online.
What questions are asked in a Mastercard Software Engineer Intern interview?
Common topics include data structures & algorithms (arrays, trees, graphs), system design, and behavioral questions using the STAR method. Practice with our AI mock interviewer to prepare.
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