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      Machine Learning Engineer Interview

      23 Mar 2026
      Anonymous interview candidate
      Dhaka
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Optimizely (Dhaka)

      Interview

      The interview process consisted of three main rounds. It began with an initial 30-minute recruiter screening call to discuss my background, current tech stack, and general expectations. The second round was a 45-minute technical screening with a senior engineer, focusing on core machine learning fundamentals and a Python coding exercise. The final round was a comprehensive 60-minute system design interview, which included a deep dive into my past projects, specifically discussing the architecture of multi-agent systems and evaluating LLM outputs.

      Interview questions [1]

      Question 1

      When would you use f1 score instead of accuracy?
      Answer question