Many software engineers know the feeling: you nail the practice problems, your code runs, and yet the moment you are in the interview you freeze. Your answers become tangled, a follow-up question throws you, or you solve the problem but fail to explain it clearly enough to earn the points. Technical interviews are harsh precisely because they do not just test “can you do it” — they test “can you explain what you know in a structured way under pressure.” This article breaks down a repeatable method across algorithms, system design, and live delivery.