Barclays·Software Engineer

Barclays Software Engineer interview experience

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Candidate report, summarized by Dataford

My technical interview centered on two questions, both framed like algorithmic problem-solving.

The first one was a straightforward simulation-style problem that landed closer to an easy level—something that felt manageable rather than tricky.

The second question was more demanding. It combined an unbounded knapsack setup with a greedy angle, where I had to think about maximizing how many items fit into a backpack of capacity C given four items with different weights. The expected approach started with sorting the items from lightest to heaviest and using a greedy strategy to pack as many as possible, and then switching to the standard dynamic programming method for the unbounded

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