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Sigmoid DSA Interview QuestionsSigmoid pairs medium DSA with heavy SQL, Spark and data-pipeline questions — expect to reason about big-data joins and skew as much as algorithms.
17 real interview questions actually asked at Sigmoid — filter by how recently they were reported.
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Sigmoid pairs medium DSA with heavy SQL, Spark and data-pipeline questions — expect to reason about big-data joins and skew as much as algorithms.
Across the 17 questions on this page, the weight sits on these patterns:
This sheet collects 17 Sigmoid interview questions, grouped into 12 patterns. They are questions reported as actually asked in Sigmoid interviews, and each one carries how recently it was reported so you can practise the current set first.
Dynamic Programming, Breadth-First Search, Trie come first — the patterns on this page are ordered by how often Sigmoid leans on them, so working top-down spends your time where the interview actually is. The full order is Dynamic Programming, Breadth-First Search, Trie, Greedy, Sliding Window, Design.
At roughly 25 minutes per problem — reading it, solving it and writing the approach down — 17 problems is about 7 hours, or 1 weeks at ten hours a week. Most people do not need all of it: the first two or three patterns cover the majority of what gets asked.
Yes. Every problem, the pattern grouping and the progress tracking are free and need no account. Progress saves in your browser, and signing in with Google only adds syncing across devices.
Yes — tick a problem on this page and it stays ticked. The counts per pattern update as you go, so you can see which of Sigmoid's topics you have actually covered rather than guessing.