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      Entrevistas de OnfidoEntrevistas para el puesto de Senior Applied Scientist en OnfidoEntrevista de Onfido


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      Entrevista de Senior Applied Scientist

      21 mar 2024
      Candidato de entrevista anónimo
      Sin oferta
      Experiencia negativa
      Entrevista normal

      Solicitud

      Envié una solicitud electrónica. El proceso duró 4 semanas. Acudí a una entrevista en Onfido

      Entrevista

      The first round was with a recruiter. It was a the only chat of the recruitment process that was nice. The second round was with a simple one-hour textbook-like interview in the style of: Can you describe batch normalization? Can you tell about SIFT and HOG image descriptors? Thereafter were two coding rounds and three other rounds of textbook questions, a paper presentation and practical questions. All in all, the process was way to long and impersonal. At no point I was asked about my personal experiences and interests. People, apart from maybe the recruiter, did not seem to care. Moreover, even after several hours of being tested I could still not get much info about the team and the job.

      Preguntas de entrevista [6]

      Pregunta 1

      Can you describe a moment in your career that made you proud?
      Responder pregunta

      Pregunta 2

      Can you describe waht CLIP is?
      Responder pregunta

      Pregunta 3

      What is the mean value and variance of the binomial distribution?
      Responder pregunta

      Pregunta 4

      What is TPR, ROC? How can one construct confidence interval on the TPR?
      Responder pregunta

      Pregunta 5

      What are disadvantages of simple SGD optimization? How can they be improved?
      Responder pregunta

      Pregunta 6

      What is batchnorm? How does it relate to other normalizations?
      Responder pregunta
      2

      Otras opiniones sobre las entrevistas para el puesto de Senior Applied Scientist en Onfido

      Entrevista de Senior Applied Scientist

      18 abr 2024
      Candidato de entrevista anónimo
      Sin oferta
      Experiencia negativa
      Entrevista fácil

      Solicitud

      Envié una solicitud electrónica. El proceso duró 4 semanas. Acudí a una entrevista en Onfido

      Entrevista

      Pretty standard. Recruiter call with 4 rounds of interviews. Eventually got a call saying they are not rejecting me but also not saying a yes, which is pretty unheard of. I consider them to indecisive and unprofessional and will recommend to avoid as it reflects their internal working process.

      Preguntas de entrevista [1]

      Pregunta 1

      Pretty standard bookish questions you can find on the internet. BatchNorm, Stats etc.
      Responder pregunta
      1

      Entrevista de Senior Applied Scientist

      27 abr 2024
      Candidato de entrevista anónimo
      Sin oferta
      Experiencia positiva
      Entrevista difícil

      Solicitud

      Envié una solicitud electrónica. El proceso duró 4 semanas. Acudí a una entrevista en Onfido en abr 2024

      Entrevista

      Overall, I enjoyed the process. It was very transparent, I was given all the information needed to get prepared for each step. Unlike most of the companies that reject a candidate by email without any feedback, I was given a call by the recruiter who took the time to explain what the team liked and did not like about my profile. The feedback was constructive and I found the decision quite fair although I am upset. I applied on the company website. The interview process started with a call from a recruiter to discuss the position, my background, my expectations, and the overall interview process. The first step of the interview is a 1-hour textbook question with two employees from Onfido. The questions cover four main categories: probability, statistics, machine learning, and deep learning. The next step, if the previous one is successful, is the panel interview consisting of 5 rounds interview with 5 different people from Onfido. Each round is 1 hour long, and there is 1 hour break between each round. - For the first two rounds, I had to solve one leet code-like coding exercise for each. -The next round is the applied deep learning interview in which I presented a deep learning paper of my choice. I also presented a previous project I worked on. This round is closed with some practical questions about training and using deep learning. -Next comes the ML and DL fundamental interview. This interview is about answering textbook questions on ML, DL, and Maths (statistics, probabilities, calculus) using a whiteboard. -The last round is about chipping and monitoring ML and DL systems in production and how to work alongside ML engineers and MLOps. I did the whole process remotely.

      Preguntas de entrevista [16]

      Pregunta 1

      What is batch normalization? what are its limits? what other normalization could think about?
      Responder pregunta

      Pregunta 2

      What is backpropagation in deep learning?
      Responder pregunta

      Pregunta 3

      what is the relationship between Kullback-Leibler divergence and cross-entropy?
      Responder pregunta

      Pregunta 4

      What is contrastive learning? When is it used?
      Responder pregunta

      Pregunta 5

      What is the triple loss?
      Responder pregunta

      Pregunta 6

      What is the chain rule in calculus?
      Responder pregunta

      Pregunta 7

      How do you take into account the constraint FPR < 1% while training a neural network?
      Responder pregunta

      Pregunta 8

      How do you speed up the training of a deep learning model?
      Responder pregunta

      Pregunta 9

      What do you insert in a model card?
      Responder pregunta

      Pregunta 10

      What are the mean and variance of a binomial distribution?
      Responder pregunta

      Pregunta 11

      How do you organize a deep-learning project from experiment to production?
      Responder pregunta

      Pregunta 12

      Compute the gradient of an output with respect to one of the inputs given a computation graph
      Responder pregunta

      Pregunta 13

      What is the Jacobian matrix? what is the Hessian?
      Responder pregunta

      Pregunta 14

      What are depthwise convolutions in deep learning
      Responder pregunta

      Pregunta 15

      What is the Transformer model? What are its limitations?
      Responder pregunta

      Pregunta 16

      What is HOG? What is SIFT? How are they computed?
      Responder pregunta
      4

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