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      Software Engineer Interview

      30 Apr 2026
      Anonymous employee
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at OpenAI

      Interview

      The technical round kicked off with a question about finding the length of the longest substring without repeating characters. I felt prepared, and as we discussed my approach and time complexity, I could sense I was on the right track. Later, there was a behavioral round where I described my experiences and team dynamics. The wild moment came when I realized I had literally seen this exact problem on prachub.com during my prep a week earlier. Afterward, I received an offer, which I happily accepted. Overall, a rewarding experience.

      Interview questions [1]

      Question 1

      Given a string s, find the length of the longest substring without repeating characters. Discuss your approach and time complexity.
      Answer question

      Other Software Engineer interview reviews for OpenAI

      Software Engineer Interview

      26 May 2026
      Anonymous interview candidate
      No offer
      Positive experience
      Difficult interview

      Application

      I interviewed at OpenAI

      Interview

      2 rounds phone screen(1 coding + 1 system design) and 4 rounds onsite interviews(1 coding + 1 design + 1 deep dive + 1 behavior). general good experience but need fast coding

      Interview questions [1]

      Question 1

      infectious disease problem, that has 5 subtasks.
      Answer question

      Software Engineer Interview

      13 May 2026
      Anonymous interview candidate
      San Francisco, CA
      No offer
      Neutral experience
      Difficult interview

      Application

      I applied online. The process took 3 weeks. I interviewed at OpenAI (San Francisco, CA) in Apr 2026

      Interview

      First round with HR: HR was a little impatient, probably very busy. 1 coding round, multi-part coding problem under 1 hour with tests passing. Plan your time wisely. Don't spend time on stuff like pseudo coding in earlier parts. Interviewer wasn't very engaged. 1 system design round. Interview was smart and nice. Reject on the following day.

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