Given an array of integers, every element appears twice except for one. Find that number.
Sr Data Engineer Interview Questions
2,558 sr data engineer interview questions shared by candidates
Daily challenges you face on the job How do you ensure data quality Have you ever worked with GIS data Do you know any of the GIS libraries
- Leetcode Easy to Medium - System design on data processing - Data Science on scoring methodology, etc.
Tell me about a time when you made an informed decision
Ecrire un singleton.
Sobre a carreira, a parte técnica bem completa, foco em System Design.
How join algorithms works in database?
Interviewer asked many questions on spark, Python, scripting, architecture etc. On answering each questions, he was raising multiple cross questions. I kept answering them fully/partially as per my knowledge. He asked multiple scenario based questions. On one question, he gave me lot of time to hear that one answer which I didn't know. I gave him number of answers but he wasn't satisfied. Interviewer was least interested to know what I have worked on. Finally, they ghosted me. No updates, no interview feedback, nothing.
Work experience and Team management.
System Design: Design a data processing pipeline and ingest for an Event System to be shared across multiple applications and servers. Algorithm We are reading from 3 files for each platform. These are the csv file with 3 columns one is the player's name, the player 2nd is the post id, and the last is the time is watching. The time is long. Return the top 3 candidates that watched the most.
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