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      Impetus Technologies

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      Big Data Engineer Interview

      28 Aug 2025
      Anonymous employee
      Pune
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Impetus Technologies (Pune) in Aug 2025

      Interview

      L1 and L2 are two technical rounds—each of nearly 1 hr. In L2, they also asked me some aptitude questions. So be prepared for that! Some agile methodoly questions also.

      Interview questions [1]

      Question 1

      Let's assume you have 100 partitions in Spark, and by mistake, you used Coalesce(200) to increase partitions to 200. What will happen?
      2 Answers
      2
      avatar
      Impetus Technologies response
      9mo
      Thank you for sharing your experience with us! We’re glad to know that you had a positive interview experience. Wishing you all the best!

      Other Big Data Engineer interview reviews for Impetus Technologies

      Big Data Engineer Interview

      26 Jun 2024
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied through a staffing agency. The process took 5 days. I interviewed at Impetus Technologies in Apr 2024

      Interview

      HR contacted me to explain whole process and asked few questions like current CTC, Expected CTC. There were three rounds 2 technical and one HR Round. I cleared all the rounds but not got offer letter because of budget/approval constraints which was not discussed with me before.

      Interview questions [1]

      Question 1

      First Round Experience He asked me 2 SQL Questions(Questions were based on Join and group byAlso asked to write same code in pyspark) and few basic spark questions like cache and persist, reparation and coalesc, RDD, Dataframe and dataset difference. I cleared first round and HR again scheduled second round Second Round: 2 SQL questions which was based on joins and union, union and union all difference, RDD vs Dataframe vs Dataset, Repartition and coalesce,Spark Architecture, Hive and other project related and basic questions. I cleared second round as well then HR scheduled next round which is HR round. HR round: Introduce yourself, What I know about Impetus, Why changing job and walked me through company info and CTC breakdown. She has some budget constraints or approval constraints so not sure why they called and conducted this whole process.
      Answer question
      2
      avatar
      Impetus Technologies response
      1y
      Dear Candidate, Thank you for taking the time to share your feedback about your recent interview experience with Impetus Technologies. We genuinely value the insights and perspectives of all our candidates, as they help us continuously improve our hiring process. We are sincerely sorry to hear about the challenges you faced and the frustration caused by the lack of communication regarding budget and approval constraints. This is not the experience we aim to provide our candidates, and we regret any inconvenience this may have caused. We appreciate your efforts in preparing for and participating in our interview process. We understand that our hiring decisions and the communication thereof can significantly impact our candidates, and we are committed to ensuring transparency and clarity throughout our recruitment process. Your feedback will be shared with our HR and recruitment teams to address the issues you’ve highlighted. We aim to provide a more seamless and respectful experience for all future candidates. Thank you again for your feedback. We wish you all the best in your job search and future career endeavors.

      Big Data Engineer Interview

      17 Feb 2024
      Anonymous interview candidate
      No offer
      Positive experience
      Average interview

      Application

      I applied through a recruiter. The process took 1 week. I interviewed at Impetus Technologies in Feb 2024

      Interview

      Interview Process :In first round it starts with intoduction first then they deep dive into java knowledge. Asked questions related to java and spark mainly ,getting understanding on java8. checked hadoop and spark understanding.

      Interview questions [1]

      Question 1

      i) tell about JVM components ii) tell about predicate and consumer in java8 iii) tell about java program execution internal iv)about kafka architecture v) about spark architecture vi) which is better rdd,dataset or dataframe. vii)Big query related question about secuirty and optimisations viii)difference between hadoop and spark ix)tell diff about groupby and groupbykey x)tell about kafka offset working xi)about transformation and action xii)about streaming jobs xiii) about dataflow jobs and terraform
      Answer question
      4
      avatar
      Impetus Technologies response
      2y
      We sincerely appreciate you dedicating your valuable time to provide us with your feedback. Your input is invaluable to us. Thank you for your thoughtful contribution!

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