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One of the questions they asked was: “Walk me through a technical challenge you faced in a project and how you solved it.” I described a performance issue I encountered while building a web application, where inefficient database queries slowed response time. I walked through how I identified the bottleneck using logs and query profiling, optimized the queries using indexing, and validated improvements through testing. They wanted to evaluate structured problem-solving, clarity of thought, and ability to translate technical work into business value.
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Trainee Software Engineer

Interviewed at HSBC

3.8★
Nov 2, 2025

One of the questions they asked was: “Walk me through a technical challenge you faced in a project and how you solved it.” I described a performance issue I encountered while building a web application, where inefficient database queries slowed response time. I walked through how I identified the bottleneck using logs and query profiling, optimized the queries using indexing, and validated improvements through testing. They wanted to evaluate structured problem-solving, clarity of thought, and ability to translate technical work into business value.

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