Sigmoid·Software Engineer

Sigmoid Software Engineer interview experience

No offer

Medium

Positive

BengaluruPosted Dec 2025 · Candidate report, summarized by Dataford

I went through a pretty involved on-campus drive for Sigmoid Analytics, and the structure immediately stood out.

There was an OA with eight coding problems at a medium level, followed by MCQs from core CS—OS, DBMS, and aptitude. After that, the interview itself stretched across three rounds, with two virtual rounds and a third offline one.

Round one leaned hard on resume details and backend fundamentals. They asked about CORS policy and then hit me with several DSA problems, including valid anagrams, a climbing-stairs style recursion problem, and a DP problem about making a string palindromic. I had to write code with tests running in the compiler, and they also slipped in a SQL query task at the end,

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