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      Senior Machine Learning Engineer Interview

      May 8, 2023
      Anonymous Interview Candidate
      Chicago, IL
      No offer
      Negative experience
      Easy interview

      Application

      I applied through a recruiter. The process took 2 months. I interviewed at PayPal (Chicago, IL) in Feb 2023

      Interview

      Braintree/Paypal 6 rounds of interviews: - 3 coding/problem solving - Project presentation - Hiring Manager - Core value/leadership with another manager (Asked about my Java/SQL skills instead). The whole process took more than one month, after which I waited another month just to hear back from the recruiter with little to no communication. It's still unclear why they were taking too long to share the update and where in the process I needed improvement, knowing I was able to solve all the coding problems.

      Interview questions [3]

      Question 1

      Coding/Problem Solving (credit card use case)
      Answer question

      Question 2

      AI/ML coding: NLP use case that involves walking through how you would calculate word frequency (TFIDF) then what's the best method to measure vector similarity. **Job description does not mention NLP**
      Answer question

      Question 3

      Coding/Problem Solving: The vending machine and coin change
      Answer question
      avatar
      PayPal response
      3y
      Thank you for taking the time to share your feedback. We strive to provide an enjoyable and thoughtful interview experience where candidates feel they are getting the most out of the interview process. We apologize that you did not have this experience and would appreciate hearing more about your interview process and what we could do better. Please contact us at paypalglobaltalentacquisition@paypal.com so we can connect. Thank you again for taking the time to leave a review and I look forward to hearing from you.

      Other Senior Machine Learning Engineer Interview Reviews for PayPal

      Senior Machine Learning Engineer Interview

      Nov 21, 2025
      Anonymous Interview Candidate
      No offer
      Neutral experience
      Average interview

      Application

      I interviewed at PayPal

      Interview

      standard leetcode, ML system design and behavior questions. each team process depends a lot on hiring manager's style of hiring and interviewing, had a really good interview with senior leader but not so great with younger and middle manager

      Interview questions [1]

      Question 1

      leetcode, ml system design and behavior
      Answer question
      avatar
      PayPal response
      8mo
      Thank you for sharing your interview experience with us. Your feedback is valuable and will help us understand how we can evolve our interview process. We hope you can find another role on our website that fits your interest and join our team!

      Senior Machine Learning Engineer Interview

      Oct 24, 2025
      Anonymous Interview Candidate
      Bengaluru
      No offer
      Neutral experience
      Average interview

      Application

      I interviewed at PayPal (Bengaluru)

      Interview

      Interview was divided in 3 parts 1. Projects review - Did not go too deep. Asked which was most challenging 2. ML breadth - Multiple theoretical questions 3. DSA question - Medium level

      Interview questions [1]

      Question 1

      DSA question was given an array of integers, return another with product of elements except the element at index
      Answer question
      avatar
      PayPal response
      8mo
      Thank you for sharing your interview experience with us. Your feedback is valuable and will help us understand how we can evolve our interview process. We hope you can find another role on our website that fits your interest and join our team!

      Sr. Machine Learning Engineer Interview

      Oct 17, 2025
      Anonymous Interview Candidate
      No offer
      Negative experience
      Difficult interview

      Application

      I applied online. I interviewed at PayPal

      Interview

      Took the initial Programming technical interview as practice despite not wanting the commute or the significant pay cut it would entail. Interviewer was professional, but if a company wants to ask questions like this without giving any interview prep, they should at least be offering competitive pay.

      Interview questions [2]

      Question 1

      A very difficult LeetCode "Medium" combining graph/tree DFS and string parsing.
      Answer question

      Question 2

      Debugging a pseudocode of a Transformer block.
      Answer question
      avatar
      PayPal response
      9mo
      Thank you for your feedback, we're sorry to hear about your experience. We constantly aim to create the best possible candidate experience, but admittedly things can always be improved. Your feedback is valuable and will help us understand how we can evolve our interview process.

      PayPal interviews FAQs

      • Senior Machine Learning Engineer applicants have rated the interview process at PayPal with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 25% positive. To compare, the company-average is 50.9% positive. This is according to Glassdoor user ratings.
      • Candidates applying for Senior Machine Learning Engineer roles take an average of 60 days to get hired, when considering 4 user submitted interviews for this role. To compare, the hiring process at PayPal overall takes an average of 25 days.
      • Common stages of the interview process at PayPal as a Senior Machine Learning Engineer according to 4 Glassdoor interviews include:

        Skills test:  14%

        Other:  14%

        Phone interview:  14%

        Personality test:  14%

        Group panel interview:  14%

        Presentation:  14%

        One on one interview:  14%

      • Here are the most commonly searched roles for interview reports -

        1. Software Engineer(672) ;
        2. Senior Software Engineer(333) ;
        3. Customer Service Representative(259) ;
        4. Data Scientist(143) ;
        5. Product Manager(140) ;
        6. Manager(134) ;
        7. Risk Analyst(124) ;
        8. Software Engineer II(112) ;
        9. Customer Solutions Agent(110) ;
        10. Senior Product Manager(99) ;
        11. Director(98) ;
        12. MTS1 Software Engineer(93) ;
        13. Senior Manager(87) ;
        14. Software Engineer III(83) ;
        15. Collections Specialist(79) .


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    • Jobs at PayPal

      49 jobs in United States
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