Course Hero Software Engineer Interview Questions
The questions to prepare for a Course Hero Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Use prefix sums and a hash set to detect a contiguous subarray with a target sum, including arrays containing negative values.
Course HeroUse rejection sampling to generate a uniform random integer from 1 to 7 using only a uniform 1-to-5 generator.
Course HeroCheck whether text is a case-insensitive alphanumeric palindrome using two pointers without reversing or constructing another string.
Course HeroTests SQL proficiency with joins and aggregations to answer data questions accurately.
Course HeroTests practical MySQL skills with LEFT JOIN behavior and aggregation logic.
Course HeroUse a join, month-level grouping, and HAVING to find VistaPrint customers with multiple orders in the same month.
Rank the top three EPAM India customers by item-level spending over the last three months using joins and aggregation.
EPAM SystemsReturn the top three students in each Nomura division using a join and ROW_NUMBER partitioned by division.
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Tests secure engineering practices for authentication, authorization, and common web vulnerabilities.
Course HeroTests system design for scale, reliability, and efficient retrieval of user-uploaded content.
Course HeroEvaluates security-focused infrastructure design and mitigation strategies.
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