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Principal Data Analyst Interview Questions

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10,185 principal data analyst interview questions shared by candidates

1. Design a tiny url service. 2. Describe technology trends that will disrupt the industry in the coming years. 3. Back of the napkin calculation on number of Google drive users in the world? How would you relate to known data and extra polate? 4. Design a analytics stream pipeline for microsoft exchange server logs that are highly sensitive in nature and include PII? The catch here was to design such that data does not leave the source. I however, designed with data anonymization leaving the source and traveling through a pipeline of independent systems loosely connected with a messaging system which did not solve the problem 100%. 5. Design a logging utility, major interfaces and class diagram. 6. Design a Devops utility tool to allow resource allocation and automated deploy and rollback of software components. I had read the Google Borg paper, so I just picked salient features from there. This interview stretched to a hour and a half and went into great details of choice of tech stack to solving interesting questions on resource allocation. The interviewer was very bright. 7. Culture fit round mostly included questions on past experience and leadership skills.
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Principal Engineer

Interviewed at Microsoft

4★
Jul 18, 2017

1. Design a tiny url service. 2. Describe technology trends that will disrupt the industry in the coming years. 3. Back of the napkin calculation on number of Google drive users in the world? How would you relate to known data and extra polate? 4. Design a analytics stream pipeline for microsoft exchange server logs that are highly sensitive in nature and include PII? The catch here was to design such that data does not leave the source. I however, designed with data anonymization leaving the source and traveling through a pipeline of independent systems loosely connected with a messaging system which did not solve the problem 100%. 5. Design a logging utility, major interfaces and class diagram. 6. Design a Devops utility tool to allow resource allocation and automated deploy and rollback of software components. I had read the Google Borg paper, so I just picked salient features from there. This interview stretched to a hour and a half and went into great details of choice of tech stack to solving interesting questions on resource allocation. The interviewer was very bright. 7. Culture fit round mostly included questions on past experience and leadership skills.

These are just some I could remember: -Why I left my current job -Why I want to work at iwoca -Guide them through some of my most recent work and explain the design process/involvement/time to deliver / collaboration with dev and other teams -Research methods, insight findings and how/why I arrived at those -Guide them through some work/design I had prepared for them -Feedback on their current products/competitors -How do I work with the dev. / agile environments -How do I work with the mkt team -How do I inspire the team / train them -Talk about design systems / scaling / web knowledge / etc. Throughout the conversation, everyone was extremely friendly, patient and gave feedback at the end.
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Principal Product Designer

Interviewed at iwoca

4.2★
Apr 12, 2019

These are just some I could remember: -Why I left my current job -Why I want to work at iwoca -Guide them through some of my most recent work and explain the design process/involvement/time to deliver / collaboration with dev and other teams -Research methods, insight findings and how/why I arrived at those -Guide them through some work/design I had prepared for them -Feedback on their current products/competitors -How do I work with the dev. / agile environments -How do I work with the mkt team -How do I inspire the team / train them -Talk about design systems / scaling / web knowledge / etc. Throughout the conversation, everyone was extremely friendly, patient and gave feedback at the end.

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