How do you process large CSV files that cannot reside in the memory without using any dedicated tools?
Senior Data Engineer Interview Questions
2,608 senior data engineer interview questions shared by candidates
How would you handle duplicates in a database?
What is a Data Mart?
What is significant about spark?
Design an data architecture for logistics quoting process to create an analytics dashboard
Explain the architectural flow of your current project!
Difficult project you worked on
Technologies I've worked on. How were the experiences and biggest challenges. Issues addressing hard and soft skills
1) 1. Python list tuple, set 2. homogenous and heterogenous 3. map and flatmap 4. skewness 5. repartitioning and coalesce 6. Cost optimisation optimisation repartition 7. SQL emp_id joining_date manager_id 101 2015-03-10 NULL 102 2017-06-15 101 103 2016-08-22 101 104 2016-02-05 102 105 2018-09-01 102 106 2015-11-30 103 107 2019-01-20 103 108 2021-05-12 102 109 2020-07-25 108 110 2022-02-18 108 111 2019-08-15 101
1. Mostly around the projects you do/mention on your resume. 2. SQL/Python.
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