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      Research Scientist Interview

      25 Jul 2020
      Anonymous interview candidate
      London, England
      No offer
      Negative experience
      Easy interview

      Application

      I applied through an employee referral. The process took 2 months. I interviewed at Google DeepMind (London, England) in Jan 2020

      Interview

      A friend told me about a research scientist job opportunity, which aligned with my interests. I was sceptical about the place but tempted by their technological resources (Borg). The interviews were stretched over 2 months, mainly because of my availability. First, I had a short chat with HR about my work habits and motivation to join DM. The technical stage began with 2 rounds of mostly high-school level questions in maths, algorithms, statistics and ML – see Stage 1 qstns. The form of the interviews was confusing: a human person performing a quiz like a computer, “freezing” every time I tried to engage in a conversation. I prefer a conversational form, which gives an opportunity to explain my answers and gauge the strengths of potential collaborators. Next was a programming interview. Basic practical questions and a simple coding exercise in a shared Google document in a language of your choice. I use mainly C++, but since I heard that they dig Python, I read a tutorial, coded up some classics, and it felt more than enough – see Stage 2 qstns. The interviewer was a nice calm guy, we had a casual chat at the end. The last interview was with 3 members of the team to which I applied. HR gave me their names so I could read their publications. I was unpleasantly surprised: shamelessly naive research statements, an avalanche of arxiv papers reporting results of a simple AI model in different settings, claiming to address complex real-world problems, and Twitter sentiment analyses. The first guy was very late, didn’t apologise, seemed absent-minded and hardly interested. He decided that I must have heard about him so no need to introduce himself (he wasn’t anyone famous). Despite the disheartening atmosphere, I tried to talk about their publications, but judging from his blank face expression he didn’t recognise them. I mentioned a mathematical problem I saw in their method – he waved his hands and said that he knew what I was talking about. The next interviewer was also sure that I heard about him - I answered that I heard that they were all very nice. He wanted to sound ‘corpo’ and be very nice, but all he could muster was patronising. Looking at me like at a little puppy, he explained in a condescending voice that there was no place in DM for my pro-social research inclinations (highlighted in my cover letter), because "they are Google - they only want to make money!" Then he talked about how great and smart they were, and the great things they did. Suddenly, he asked about my career "changes". I know many people who made similar moves after the PhD/postdoc, but he was uncomfortably persistent about it. I had no spectacular answer to satisfy him - I followed my interests and good opportunities. Apart from that he asked me some short questions – see Stage 3 qstns. I had one more chat and attended just for the sake of the person who recommended me. I met an amusingly arrogant research engineer. Unusually, he took his time to introduce himself, even if, of course, I must have heard about him. He had a funny way of asking questions about my work, pretending that he knew what he was talking about. I worked in a spectrum of disciplines and problems, so I don't expect people to recognise them, but pretending that one does is a poor professional habit. He asked me to describe in detail the technique I used in my recent projects, which I “loved” according to him, and explain what I planned to do in DM. I sketched it in the simplest form (he asked how I draw events from a distribution rather than about statistical and code design problems). I decided to ask the person who recommended me about his interview impression – it was very distinct from mine. I wondered why: we have the same educational background (in fact my academic record was better, and I have more dedicated experience than he did when applying), similar skills, personalities and even similar poor sense of humour. There's one major difference: he's a man and I'm a woman. Sexism? Indeed, later I found that DM hire very few women. My CV was probably qualified by some diversity-aware AI algorithm (read: good old logistic regression), and those poor guys had to comply. Sometime later I got the decision from HR that they weren't interested. I thanked them, still gutted by my experience but with relief: sexism or not, after a closer look at those people and their research, “overrated” is the least I could say. For a fresh PhD or an aspiring academic, it’s probably a great job, which pays better than the uni and doesn’t require as much hard skills and effort as a regular money-making business, but the evident focus on quantity-over-quality and patting each other on the back to make a good impression on their sponsor/Google would be unbearable for me. Still, knowing a bit about bias in statistical research and how it can creep into algorithms and models, I hope that those guys will stick to Starcraft and not have much influence on my life.

      Interview questions [11]

      Question 1

      Stage 1: What's the difference between dependence and correlation?
      1 Answer

      Question 2

      Stage 1: What is a conjugate prior?
      1 Answer

      Question 3

      Stage 1: The Bayes theorem
      1 Answer

      Question 4

      Stage 1: Describe the Newton algorithm
      1 Answer

      Question 5

      Stage 1: Central Limit Theorem
      1 Answer

      Question 6

      Stage 1: What are autoencoders
      1 Answer

      Question 7

      Stage 1: An example of an RL algorithm
      1 Answer

      Question 8

      Stage 1: What is Turing Machine
      1 Answer

      Question 9

      Stage 2: Write a code calculating a pi number using RNG
      1 Answer

      Question 10

      Stage 2: Subjects covered on the programming interview questions
      1 Answer

      Question 11

      Stage 3: The interviewer asked me if I had ideological objections to work in Google - clearly, not; if I believed the AGI would ever be achieved and if it’s dangerous to humans
      1 Answer
      85

      Other Research Scientist interview reviews for Google DeepMind

      Research Scientist Interview

      10 Mar 2025
      Anonymous interview candidate
      Montreal, QC
      No offer
      Positive experience
      Difficult interview

      Application

      I interviewed at Google DeepMind (Montreal, QC)

      Interview

      7 -9 rounds depending on candidate. The rounds involved 1-3 scientists taking test on leetcode style questions, AI fundamentals, Transformers, Finetuning, Training approach of large models like Gemini, Deepseek etc.

      Interview questions [3]

      Question 1

      Straight in the interview I was asked a coding question leetcode style.
      Answer question

      Question 2

      Explain transformers in the context of LLMs
      Answer question

      Question 3

      What is the process of training transformers, supervised finetuning, RL involved in it?
      Answer question
      2

      Research Scientist Interview

      18 Oct 2024
      Anonymous interview candidate
      London, England
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. The process took 8 weeks. I interviewed at Google DeepMind (London, England)

      Interview

      Overall, nine interviews with various people in different departments, was not told to prepare anything in advance. One was a specialist technique interview which afterwards I was told was to be the main purpose of the role but this was not on the job advert.

      Interview questions [1]

      Question 1

      Why do you want to work at Google Deepmind
      Answer question
      1

      Research Scientist Interview

      24 Aug 2023
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 2 months. I interviewed at Google DeepMind

      Interview

      applied online, had an initial chat with HR, followed by a chat with the hiring manager, then 3 technical interviews: math, ml, and coding and CS. I wasn't invited afterward for research talks.

      Interview questions [1]

      Question 1

      The process is a total waste of time, and they don't make an effort to make the process better for you. The questions were very basic but required that you remember lots of broad topics. The coding task was easy. But overall my experience was bad and caused unnecessary stress. The interviewer was very argumentative, even if I was right, and would interrupt you mid-sentence without giving you a chance to answer. They were also arguing that I was not right about something, which I looked up afterward, and I was right. Not sure if that is intended to cause stress or just incompetency from their side. In the end, they decided not to proceed, even though I answered ~90% of the questions correctly. Overall, it was a very bad experience. I wouldn't recommend applying. The process is not worth it.
      Answer question
      1

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